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      Linear Technology

      Linear Technology Battery Management System DC Switching Regulators Linear Regulator Voltage Reference Digital to Analog Converters (DAC) Analog to Digital Converters (ADC) PMIC - Power Supply Controllers, Monitors Supervisors DC Switching Controllers Instrumentation Amplifier LED Drivers Multivibrators
      ModelDescriptionBrandLeadingConditionPriceAction
      Linear Technology
      KA9225HA1(ball)
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      KA9225HA2(ball)
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      Battery Management System
      LT1513-2CR
      DESCRIPTIONThe LT ®1513 is a 500kHz current mode switching regulator specially configured to create a constant- or programmable-current/constant-voltage battery charger. In addition to the usual voltage feedback node, it has a current sense feedback circuit for accurately controlling output current of a flyback or SEPIC (Single-Ended Primary Inductance Converter) topology charger. These topologies allow the current sense circuit to be ground referred and completely separated from the battery itself, simplifying battery switch ing and system grounding problems. In addition, these topologies allow charging even when the input voltage is lower than the battery voltage. The LT1513 can also drive a CCFL Royer converter with high efficiency in floating or grounded mode.FEATURES■ Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage■ Charges Any Number of Cells Up to 20V■ 1% Voltage Accuracy for Rechargeable Lithium Batteries■ 100mV Current Sense Voltage for High Efficiency (LT1513)■ 0mV Current Sense Voltage for Easy Current Programming (LT1513-2)■ Battery Can Be Directly Grounded■ 500kHz Switching Frequency Minimizes Inductor Size■ Charging Current Easily Programmable or Shut DownAPPLICATIONS■ Charging of NiCd, NiMH, Lead-Acid or Lithium Rechargeable Cells■ Precision Current Limited Power Supply■ Constant-Voltage/Constant-Current Supply■ Transducer Excitation■ Universal Input CCFL Driver
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      KA1225HA1(ball)
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      KA1225HA2(ball)
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      DC Switching Regulators
      LT1370CR#PBF
      DESCRIPTIONThe LT ®1370 is a 500kHz current mode switching regulator specially configured to create a constant- or programmable-current/constant-voltage battery charger. In addition to the usual voltage feedback node, it has a current sense feedback circuit for accurately controlling output current of a flyback or SEPIC (Single-Ended Primary Inductance Converter) topology charger. These topologies allow the current sense circuit to be ground referred and completely separated from the battery itself, simplifying battery switch ing and system grounding problems. In addition, these topologies allow charging even when the input voltage is lower than the battery voltage. The LT1513 can also drive a CCFL Royer converter with high efficiency in floating or grounded mode.FEATURES■ Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage■ Charges Any Number of Cells Up to 20V■ 1% Voltage Accuracy for Rechargeable Lithium Batteries■ 100mV Current Sense Voltage for High Efficiency (LT1513)■ 0mV Current Sense Voltage for Easy Current Programming (LT1513-2)■ Battery Can Be Directly Grounded■ 500kHz Switching Frequency Minimizes Inductor Size■ Charging Current Easily Programmable or Shut DownAPPLICATIONS■ Charging of NiCd, NiMH, Lead-Acid or Lithium Rechargeable Cells■ Precision Current Limited Power Supply■ Constant-Voltage/Constant-Current Supply■ Transducer Excitation■ Universal Input CCFL Driver
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      LT1171HVCT#PBF
      SEPIC Regulators, Linear TechnologyA range of SEPIC DC-DC Converters from Linear Technology which can be used in applications where the output voltage may be either higher or lower than the input voltage. The SEPIC (Single-Ended Primary-Inductor Converter) topology also allows these converters to produce a negative output from a positive input voltage. Some of these switching regulators include features such as multiple outputs, programmable current limit, low battery detection and burst-mode operation.Wide Input Voltage Range: 3V to 60VLow Quiescent Current: 6mAInternal 5A Switch (2.5A for LT1171, 1.25A for LT1172)Shutdown Mode Draws Only 50μA Supply CurrentVery Few External Parts RequiredSelf-Protected Against OverloadsOperates in Nearly All Switching TopologiesFlyback-Regulated Mode Has Fully Floating OutputsComes in Standard 5-Pin PackagesLT1172 Available in 8-Pin MiniDIP and Surface Mount PackagesCan Be Externally SynchronizedUser Note:This data sheet is only intended to provide specifications, graphs, and a general functional description of the LT1170/LT1171/LT1172. Application circuits are included to show the capability of the LT1170/LT1171/LT1172. A complete design manual (AN19) should be obtained to assist in developing new designs. This manual contains a comprehensive discussion of both the LT1070 and the external components used with it, as well as complete formulas for calculating the values of these components. The manual can also be used for the LT1170/LT1171/LT1172 by factoring in the higher frequency. A CAD design program called SwitcherCAD® is also available.
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      KA1238EC(ball)
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      KA1238HA1(ball)
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      KA1238HA2(ball)
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      KA1238XA2(ball)
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      KA1238XA3(ball)
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      Linear Regulator
      LT1764AEQ-3.3
      DESCRIPTIONThe LT® 1764A is a low dropout regulator optimized for fast transient response. The device is capable of supplying 3A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1764A has very low output voltage noise which makes the device ideal for sensitive RF supply applications.FEATURES■ Optimized for Fast Transient Response■ Output Current: 3A■ Dropout Voltage: 340mV at 3A■ Low Noise: 40µVRMS(10Hz to 100kHz)■ 1mA Quiescent Current■ Wide Input Voltage Range: 2.7V to 20V■ No Protection Diodes Needed■ Controlled Quiescent Current in Dropout■ Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V■ Adjustable Output from 1.21V to 20V■ <1µA Quiescent Current in Shutdown■ Stable with 10µF Output Capacitor*■ Stable with Ceramic Capacitors*■ Reverse Battery Protection■ No Reverse Current■ Thermal LimitingAPPLICATIONS■ 3.3V to 2.5V Logic Power Supply■ Post Regulator for Switching Supplies
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      LT1175IQ-5#PBF
      DescriptionThe LT®1175 is a negative micropower low dropout regulator. It features 45µA quiescent current, dropping to 10µA in shutdown. A new reference amplifier topology gives precision DC characteristics along with the ability to maintain good loop stability with an extremely wide range of output capacitors. Very low dropout voltage and high efficiency are obtained with a unique power transistor anti-saturation design. Adjustable and fixed 5V versions are available.FeauresOperating Current: 45µAAdjustable Current LimitLow Voltage Linear Dropout CharacteristicsStable with Wide Range of Output CapacitorsShutdown Current: 10µAPositive or Negative Shutdown LogicFixed 5V and Adjustable VersionsTolerates Reverse Output VoltageAvailable in 8-pin PDIP and SO Packages, 3-lead SOT-223, 5-Pin Surface Mount DD and Through-HoleTO-220 PackagesApplicationsAnalog SystemsModemsInstrumentationA/D and D/A ConvertersInterface DriversBattery-Powered Systems
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      LT1764EQ-2.5#PBF
      DescriptionThe LT®1764 is a negative micropower low dropout regulator. It features 45µA quiescent current, dropping to 10µA in shutdown. A new reference amplifier topology gives precision DC characteristics along with the ability to maintain good loop stability with an extremely wide range of output capacitors. Very low dropout voltage and high efficiency are obtained with a unique power transistor anti-saturation design. Adjustable and fixed 5V versions are available.FeauresOperating Current: 45µAAdjustable Current LimitLow Voltage Linear Dropout CharacteristicsStable with Wide Range of Output CapacitorsShutdown Current: 10µAPositive or Negative Shutdown LogicFixed 5V and Adjustable VersionsTolerates Reverse Output VoltageAvailable in 8-pin PDIP and SO Packages, 3-lead SOT-223, 5-Pin Surface Mount DD and Through-HoleTO-220 PackagesApplicationsAnalog SystemsModemsInstrumentationA/D and D/A ConvertersInterface DriversBattery-Powered Systems
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      LT1963AEQ-2.5#PBF
      DESCRIPTIONThe LT® 1963A series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications.FEATURESOptimized for Fast Transient ResponseOutput Current: 1.5ADropout Voltage: 340mVLow Noise: 40μVRMS(10Hz to 100kHz)1mA Quiescent CurrentNo Protection Diodes NeededControlled Quiescent Current in DropoutFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3VAdjustable Output from 1.21V to 20V< 1μA Quiescent Current in ShutdownStable with 10μF Output CapacitorStable with Ceramic CapacitorsReverse Battery ProtectionNo Reverse CurrentThermal Limiting5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages
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      LT1965EQ-3.3#PBF
      DESCRIPTIONThe LT® 1965 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications.FEATURESOptimized for Fast Transient ResponseOutput Current: 1.5ADropout Voltage: 340mVLow Noise: 40μVRMS(10Hz to 100kHz)1mA Quiescent CurrentNo Protection Diodes NeededControlled Quiescent Current in DropoutFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3VAdjustable Output from 1.21V to 20V< 1μA Quiescent Current in ShutdownStable with 10μF Output CapacitorStable with Ceramic CapacitorsReverse Battery ProtectionNo Reverse CurrentThermal Limiting5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages
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      LT3083MPQ#PBF
      DESCRIPTIONThe LT® 3083 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications.FEATURESOptimized for Fast Transient ResponseOutput Current: 1.5ADropout Voltage: 340mVLow Noise: 40μVRMS(10Hz to 100kHz)1mA Quiescent CurrentNo Protection Diodes NeededControlled Quiescent Current in DropoutFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3VAdjustable Output from 1.21V to 20V< 1μA Quiescent Current in ShutdownStable with 10μF Output CapacitorStable with Ceramic CapacitorsReverse Battery ProtectionNo Reverse CurrentThermal Limiting5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages
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      LT1085CM#TRPBF
      DESCRIPTIONThe LT® 1085 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications.FEATURESOptimized for Fast Transient ResponseOutput Current: 1.5ADropout Voltage: 340mVLow Noise: 40μVRMS(10Hz to 100kHz)1mA Quiescent CurrentNo Protection Diodes NeededControlled Quiescent Current in DropoutFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3VAdjustable Output from 1.21V to 20V< 1μA Quiescent Current in ShutdownStable with 10μF Output CapacitorStable with Ceramic CapacitorsReverse Battery ProtectionNo Reverse CurrentThermal Limiting5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages
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      LT1086CM-3.3#TRPBF
      DESCRIPTIONThe LT ®1086 is designed to provide 1.5A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input-to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the reference/ouput voltage to 1%. Current limit is also trimmed, minimizing the stress on both the regulator and power source circuitry under overload conditions.The LT1086 is pin compatible with older 3-terminal adjustable regulators. A 10µF output capacitor is required on these new devices; however, this is usually included in most regulator designs.A 2.85V output version is offered for SCSI-2 active termination. For surface mount applications see the LT1117-2.85 data sheet. For high current or lower dropout require ments see the LT1123-2.85 data sheet.Unlike PNP regulators, where up to 10% of the output current is wasted as quiescent current, the LT1086 quiescent current flows into the load, increasing efficiency.FEATURES■ 3-Terminal Adjustable or Fixed2.85V, 3.3V, 3.6V, 5V, 12V■ Output Current of 1.5A, (0.5A for LT1086H)■ Operates Down to 1V Dropout■ Guaranteed Dropout Voltage at Multiple Current Levels■ Line Regulation: 0.015%■ Load Regulation: 0.1%■ 100% Thermal Limit Functional TestAPPLICATIONS■ SCSI-2 Active Terminator■ High Efficiency Linear Regulators■ Post Regulators for Switching Supplies■ Constant Current Regulators■ Battery Chargers■ Microprocessor Supply
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      LT1587CM-1.5
      DESCRIPTIONThe LT ®1587-1.5 is a low dropout 3-terminal regulator with a fixed 1.5V output voltage and 3A output current capability. The design is optimized for low voltage applications where transient response and minimum input voltage are critical. Similar to the LT1085, it has lower dropout and faster transient response. These improvements make it ideal for low voltage microprocessor applications, especially as the regulator in an Intel Pentium Pro processor GTL+ supply.Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload that creates excessive junction temperatures.FEATURES■ Fast Transient Response■ Guaranteed Dropout Voltage at Multiple Currents■ Load Regulation: 0.05% Typ■ Trimmed Current Limit■ On-Chip Thermal LimitingAPPLICATIONS■ Intel Pentium® Pro Processor GTL+ Supply■ Low Voltage Logic Supplies■ Battery-Powered Circuitry
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      LT1086IM#PBF
      DESCRIPTIONThe LT ®1086 is a low dropout 3-terminal regulator with a fixed 1.5V output voltage and 3A output current capability. The design is optimized for low voltage applications where transient response and minimum input voltage are critical. Similar to the LT1085, it has lower dropout and faster transient response. These improvements make it ideal for low voltage microprocessor applications, especially as the regulator in an Intel Pentium Pro processor GTL+ supply.Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload that creates excessive junction temperatures.FEATURES■ Fast Transient Response■ Guaranteed Dropout Voltage at Multiple Currents■ Load Regulation: 0.05% Typ■ Trimmed Current Limit■ On-Chip Thermal LimitingAPPLICATIONS■ Intel Pentium® Pro Processor GTL+ Supply■ Low Voltage Logic Supplies■ Battery-Powered Circuitry
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      LT1117CST-3.3#TR
      The LT1117CST-3.3#TR is a positive low dropout regulator designed to provide up to 800mA of output current. The device is available in an adjustable version and fixed output voltages of 2.85V, 3.3V and 5V. The 2.85V version is designed specifically to be used in Active Terminators for the SCSI bus. All internal circuitry is designed to operate down to 1V input to output differential. Dropout voltage is guaranteed at a maximum of 1.2V at 800mA, decreasing at lower load currents. On chip trimming adjusts the reference/output voltage to within ± 1%. Current limit is also trimmed in order to minimize the stress on both the regulator and the power source circuitry under overload conditions.The low profile surface mount SOT-223 package allows the device to be used in applications where space is limited. The LT1117CST-3.3#TR requires a minimum of 10μF of output capacitance for stability. Output capacitors of this size or larger are normally included in most regulator designs.Unlike PNP type regulators where up to 10% of the output current is wasted as quiescent current, the quiescent current of the LT1117CST-3.3#TR flows into the load, increasing efficiency.
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      LT1963AEST-2.5
      DESCRIPTIONThe LT® 1963A series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to < 1μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963A regulators have very low output noise which makes them ideal for sensitive RF supply applications.FEATURESOptimized for Fast Transient ResponseOutput Current: 1.5ADropout Voltage: 340mVLow Noise: 40μVRMS(10Hz to 100kHz)1mA Quiescent CurrentNo Protection Diodes NeededControlled Quiescent Current in DropoutFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3VAdjustable Output from 1.21V to 20V< 1μA Quiescent Current in ShutdownStable with 10μF Output CapacitorStable with Ceramic CapacitorsReverse Battery ProtectionNo Reverse CurrentThermal Limiting5-Lead TO-220, DD, 3-Lead SOT-223 and 8-Lead SO Packages
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      LT1963EST-1.5#TRPBF
      The LT1963EST-1.5#TRPBF parts manufactured by LINEAR are available for purchase at Jotrin Electronics website. Here you can find a wide variety of types and values ​​of electronic parts from the world's leading manufacturers. The LT1963EST-1.5#TRPBF components of Jotrin Electronics are carefully chosen, undergo stringent quality control, and are successfully meet all required standards.The production status marked on Jotrin.com is for reference only. If you did not find what you were looking for, you can get more value information by email, such as the LT1963EST-1.5#TRPBF Inventory quantity, preferential price, and manufacturer. We are always happy to hear from you so feel free to contact us.The LT1963EST-1.5#PBF is IC REG LDO 1.5V 1.5A SOT223, that includes Tube Alternate Packaging Packaging, they are designed to operate with a TO-261-4, TO-261AA Package Case, it has an Operating Temperature range of -40°C ~ 125°C, that offers Mounting Type features such as Surface Mount, Supplier Device Package is designed to work in SOT-223-3, as well as the 2.1 V ~ 20 V Voltage Input, the device can also be used as 1.5A Current Output. In addition, the Voltage Output is 1.5V, the device is offered in Positive Fixed Regulator Topology, the device has a 0.34V @ 1.5A of Voltage Dropout Typical, and Number of Regulators is 1, and the Current Limit Min is 1.6A.The LT1963EST-1.5 is IC REG LDO 1.5V 1.5A SOT223 manufactured by LT. The LT1963EST-1.5 is available in TO-261-4, TO-261AA Package, is part of the PMIC - Voltage Regulators - Linear, , and with support for IC REG LDO 1.5V 1.5A SOT223, LT1963 - 1.5A, Low Noise, Fast Transient Response LDO Regulators.The LT1963EST-1.5#TR is IC REG LDO 1.5V 1.5A SOT223 manufactured by LINEAR. The LT1963EST-1.5#TR is available in TO-261-4, TO-261AA Package, is part of the PMIC - Voltage Regulators - Linear, , and with support for IC REG LDO 1.5V 1.5A SOT223.
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      LT1121CST-5#TRPBF
      The LT1121/LT1121-3.3/LT1121-5 are micropower low dropout regulators with shutdown. These devices are capable of supplying 150mA of output current with a dropout voltage of 0.4V. Designed for use in battery-powered systems, the low quiescent current, 30µA operating and 16µA in shutdown, makes them an ideal choice. The quiescent current is well-controlled; it does not rise in dropout as it does with many other low dropout PNP regulators.Other features of the LT1121/LT1121-3.3/LT1121-5 include the ability to operate with very small output capacitors. They are stable with only 0.33µF on the output while most older devices require between 1µF and 100µF for stability. Small ceramic capacitors can be used, enhancing manufacturability. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the LT1121CST-5#TRPBF series ideal for backup power situations where the output is held high and the input is at ground or reversed. Under these conditions only 16µA will flow from the output pin to ground.
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      LT1521CST-3.3#PBF
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      LT1963ET-2.5
      DESCRIPTIONThe LT ®1963 series are low dropout regulators optimized for fast transient response. The devices are capable of supplying 1.5A of output current with a dropout voltage of 340mV. Operating quiescent current is 1mA, dropping to <1µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the LT1963 regulators have very low output noise which makes them ideal for sensitive RF supply applications.Output voltage range is from 1.21V to 20V. The LT1963 regulators are stable with output capacitors as low as 10µF. Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The devices are available in fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an adjustable device with a 1.21V reference voltage. The LT1963 regulators are available in 5-lead TO-220, DD, 3-lead SOT-223, 8-lead SO, and Exposed Pad 16-lead TSSOP packages.FEATURES■ Optimized for Fast Transient Response■ Output Current: 1.5A■ Dropout Voltage: 340mV■ Low Noise: 40µVRMS (10Hz to 100kHz)■ 1mA Quiescent Current■ No Protection Diodes Needed■ Controlled Quiescent Current in Dropout■ Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V■ Adjustable Output from 1.21V to 20V■ <1µA Quiescent Current in Shutdown■ Stable with 10µF Output Capacitor■ Reverse Battery Protection■ No Reverse Current■ Thermal Limiting■ 5-Lead TO-220, DD, 3-Lead SOT-223, 8-Lead SO and 16-Lead TSSOP PackagesAPPLICATIONS■ 3.3V to 2.5V Logic Power Supplies■ Post Regulator for Switching Supplies
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      LT1085CT-3.3
      DESCRIPTIONThe LT1083 series of positive adjustable regulators aredesigned to provide 3A, 5A and 7.5A with higher efficiencythan currently available devices. All internal circuitry isdesigned to operate down to 1V input to output differentialand the dropout voltage is fully specified as a function ofload current. Dropout is guaranteed at a maximum of 1.5Vat maximum output current, decreasing at lower loadcurrents. On-chip trimming adjusts the output voltage to1%. Current limit is also trimmed, minimizing the stresson both the regulator and power source circuitry underoverload conditions.FEATURES■ Three-Terminal 3.3V, 3.6V, 5V and 12V■ Output Current of 3A, 5A or 7.5A■ Operates Down to 1V Dropout■ Guaranteed Dropout Voltage at Multiple Current Levels■ Line Regulation: 0.015%■ Load Regulation: 0.1%■ 100% Thermal Limit Functional Test■ Adjustable Versions AvailableAPPLICATIONS■ High Efficiency Linear Regulators■ Post Regulators for Switching Supplies■ Constant Current Regulators■ Battery Chargers
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      LT3082ETS8#TRMPBF
      DESCRIPTIONThe LT®3082 is a 200mA low dropout linear regulator that can be paralleled to increase output current or spread heat in surface mounted boards. Architected as a precision current source and voltage follower, this regulator benefits many applications requiring high current, adjustability to zero and no heat sink. The LT3082 withstands reverse input voltages and reverse output-to-input voltages without reverse-current flow.A key feature of the LT3082 is the capability to supply a wide output voltage range. A precision “0” TC 10μA reference current source drives a single resistor to program the output voltage to any level between zero and 38.5V. The LT3082 is stable with only 2.2μF of capacitance on the output; the IC uses small ceramic capacitors that do not require additional ESR as is common with other regulators.FEATURES■ Outputs May Be Paralleled for Higher Output Current or Heat Spreading■ Maximum Output Current: 200mA■ Wide Input Voltage Range: 1.2V to 40V■ Output Adjustable to 0V■ Stable with Minimum 2.2μF Ceramic Capacitors■ Single Resistor Sets Output Voltage■ Initial Set Pin Current Accuracy: 1%■ Low Output Noise: 33μVRMS (10Hz to 100kHz)■ Reverse-Battery Protection■ Reverse-Current Protection■ <1mV Load Regulation Typical■ <0.001%/V Line Regulation Typical■ Current Limit and Thermal Shutdown Protection■ Available in 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN PackagesAPPLICATIONS■ All-Surface Mount Power Supply■ Post Regulator for Switching Supplies■ Low Parts Count Variable Voltage Supply■ Low Output Voltage Supply■ Battery Powered Regulator
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      LT3060HTS8-2.5#TRPBF
      DescriptionThe LT®3060 series are micropower, low dropout voltage (LDO) linear regulators that operate over a 1.6V to 45V input supply range. The devices supply 100mA of output current with a typical dropout voltage of 300mV. A single external capacitor provides programmable low noise refer ence performance and output soft-start functionality. The LT3060’s quiescent current is merely 40μA and provides fast transient response with a minimum 2.2μF output capacitor. In shutdown, quiescent current is less than 1μA and the reference soft-start capacitor is reset.FeaturesInput Voltage Range: 1.6V to 45VOutput Current: 100mAQuiescent Current: 40µADropout Voltage: 300mVLow Noise: 30µVRMS (10Hz to 100kHz)Adjustable Output: VREF = 600mVFixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5VOutput Tolerance: ±2% Over Line, Load and TemperatureSingle Capacitor Soft-Starts Reference and Lowers Output NoiseShutdown Current: < 1µAReverse Battery ProtectionCurrent Limit Foldback ProtectionThermal Limit Protection8-Lead 2mm × 2mm × 0.75mm DFN and 8-Lead ThinSOT™ PackagesapplicationsBattery-Powered SystemsAutomotive Power SuppliesIndustrial Power SuppliesAvionic Power SuppliesPortable Instruments
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      LT6700HVHS6-2#TRPBF
      The LT6700/LT6700HV combine two micropower, low voltage comparators with a 400mV reference in a 6-lead SOT-23 or tiny DFN package. Operating with supplies from 1.4V up to 18V, these devices draw only 6.5μA, making them ideal for low voltage system monitoring. Hysteresis is included in the comparators, easing design requirements to insure stable output operation.The comparators each have one input available externally; the other inputs are connected internally to the reference. The comparator outputs are open collector and the output load can be referred to any voltage up to 18V (36V for LT6700HV), independent of supply voltage. The output stage sinking capability is guaranteed to be greater than 5mA over temperature.The three versions of this part differ by the polarity of the available comparator inputs. The LT6700-1/ LT6700HV-1 has one inverting input and one noninverting input, making it suitable for use as a window comparator. The LT6700-2/LT6700HV-2 has two inverting inputs and the LT6700-3/LT6700HVHS6-2#TRPBF has two noninverting inputs. All versions are offered in commercial, industrial and automotive temperature ranges.Internal 400mV ReferenceTotal Threshold Error: ±1.25% Max at 25°CInputs and Outputs Operate to 36VWide Supply Range: 1.4V to 18VSpecified for –55°C to 125°C Temperature RangeLow Quiescent Current: 6.5μA Typ at 5VInternal Hysteresis: 6.5mV TypLow Input Bias Current: ±10nA MaxOver-The-Top® Input also Includes GroundOpen-Collector Outputs Allow Level TranslationChoice of Input Polarities: LT6700-1/LT6700-2/ LT6700-3/LT6700HV-1/LT6700HV-2/LT6700HV-3Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN PackagesBattery-Powered System MonitoringThreshold DetectorsWindow ComparatorsRelay DrivingIndustrial Control SystemsHandheld InstrumentsAutomotive Monitor and Controls
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      Voltage Reference
      LT1460HCS3-5#TRPBF
      The LT1460 is a micropower bandgap reference that combines very high accuracy and low drift with low power dissipation and small package size. This series reference uses curvature compensation to obtain low temperature coefficient and trimmed precision thin-film resistors to achieve high output accuracy. The reference will supply up to 20mA with excellent line regulation characteristics, making it ideal for precision regulator applications.This series reference provides supply current and power dissipation advantages over shunt references that must idle the entire load current to operate. Additionally, the LT1460 does not require an output compensation capacitor, yet is stable with capacitive loads. This feature is important where PC board space is a premium or fast settling is demanded. In the event of a reverse battery connection, these references will not conduct current, and are therefore protected from damage.The LT1460 is available in the 8-lead MSOP, SO, PDIP and the 3-lead TO-92 and SOT23 packages.
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      LM329BZ
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      LT1031BMH
      DESCRIPTIONThe LT®1031 is a precision 10V reference with ultralow drift and noise, extremely good long term stability, and almost total immunity to input voltage variations. The reference output will both source and sink up to 10mA and can be used as a shunt regulator (two terminal Zener) with the same precision characteristics as the three terminal connection. Special care has been taken to minimize thermal regulation effects and temperature induced hysteresis.FEATURES■ Pin Compatible with LH0070 and AD581*■ Ultralow Drift—5ppm/°C Max Slope■ Trimmed Output Voltage■ Operates in Series or Shunt Mode■ Output Sinks and Sources in Series Mode■ Very Low Noise < 1ppmP-P0.1Hz to 10Hz■ > 100dB Ripple Rejection■ Minimum Input Voltage of 11VAPPLICATIONS■ A-to-D and D-to-A Converters■ Precision Regulators■ Digital Voltmeters■ lnertial Navigation Systems■ Precision Scales■ Portable Reference Standard
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      LTZ1000ACH#PBF
      The LTZ1000 and LTZ1000A are ultra stable temperature controllable references. They are designed to provide 7V outputs with temperature drifts of 0.05ppm/°C, about 1.2µVP-P of noise and long term stability of 2µV/√kHr.Included on the chip is a subsurface Zener reference, a heater resistor for temperature stabilization, and a temperature sensing transistor. External circuitry is used to set operating currents and to temperature stabilize the reference. This allows maximum fl exibility and best long term stability and noise.The LTZ1000 and LTZ1000A references can provide superior performance to older devices such as the LM199, provided that the user implements the heater control and properly manages the thermal layout. To simplify thermal insulation, the LTZ1000A uses a proprietary die attach method to provide signifi cantly higher thermal resistance than the LTZ1000.
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      LT1790BIS6-2.5#TRMPBF
      Voltage Reference, 2.5V, Linear TechnologyA range of 2.5V precision voltage references from Linear Technology. The range includes both series and shunt types with some devices (such as the LT1019) being capable of operating in either mode.Initial tolerance as low as ±0.05%Low drift with temperatureBoth series and shunt types availableHigh Accuracy:A Grade—0.05% MaxB Grade—0.1% MaxLow Drift:A Grade—10ppm/°C MaxB Grade—25ppm/°C MaxLow Thermal Hysteresis 40ppm (Typical) –40°C to 85°CLow Supply Current: 60µA MaxSinks and Sources CurrentLow Dropout VoltageGuaranteed Operational –40°C to 125°CWide Supply Range to 18VAvailable Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V and 5VLow Profile (1mm) ThinSOT™ PackageHandheld InstrumentsNegative Voltage ReferencesIndustrial Control SystemsData Acquisition SystemsBattery-Operated Equipment
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      LT6654AHS6-2.048#TRPBF
      The LT6654 is a family of small precision voltage references that offers high accuracy, low noise, low drift, low dropout and low power. The LT6654 operates from voltages up to 36V and is fully specified from –55°C to 125°C. A buffered output ensures ±10mA of output drive with low output impedance and precise load regulation. These features, in combination, make the LT6654 ideal for portable equipment, industrial sensing and control, and automotive applications.The LT6654 was designed with advanced manufacturing techniques and curvature compensation to provide 10ppm/°C temperature drift and 0.05% initial accuracy. Low thermal hysteresis ensures high accuracy and 1.6ppmP-P noise minimizes measurement uncertainty. Since the LT6654 can also sink current, it can operate as a low power negative voltage reference with the same precision as a positive reference.The LT6654 references are offered in 6-lead SOT-23 package and an 8-lead LS8 package. The LS8 is a 5mm × 5mm surface mount hermetic package that provides outstanding stability.Low Drift:A-Grade: 10ppm/°C MaxB-Grade: 20ppm/°C MaxHigh Accuracy:A-Grade: ±0.05% MaxB-Grade: ±0.10% MaxLow Noise: 1.6ppmP-P (0.1Hz to 10Hz)Wide Supply Range to 36VLow Thermal Hysteresis: LS8 15ppm (–40°C to 125°C)Long Term Drift: (LS8) 15ppm/√kHrLine Regulation (Up to 36V): 5ppm/V MaxLow Dropout Voltage: 100mV MaxSinks and Sources ±10mALoad Regulation at 10mA: 8ppm/mA MaxFully Specified from –55°C to 125°CAvailable Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5VLow Profile (1mm) ThinSOT™ Package and 5mm × 5mm Surface Mount Hermetic PackageAutomotive Control and MonitoringHigh Temperature IndustrialHigh Resolution Data Acquisition SystemsInstrumentation and Process ControlPrecision RegulatorsMedical Equipment
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      LT1790ACS6-1.25#TRPBF
      DESCRIPTIONThe LT®1790 is a family of SOT-23 micropower low dropout series references that combine high accuracy and low drift with low power dissipation and small package size. These micropower references use curvature compensation to obtain a low temperature coefficient and trimmed precision thin-film resistors to achieve high output accuracy. In addition, each LT1790 is post-package trimmed to greatly reduce the temperature coefficient and increase the output accuracy. Output accuracy is further assured by excellent line and load regulation. Special care has been taken to minimize thermally induced hysteresis.FEATURES■ High Accuracy:A Grade—0.05% MaxB Grade—0.1% Max■ Low Drift:A Grade—10ppm/°C MaxB Grade—25ppm/°C Max■ Low Profile (1mm) ThinSOTTM Package■ Low Supply Current: 60µA Max■ Sinks and Sources Current■ Low Dropout Voltage■ Guaranteed Operational –40°C to 125°C■ Wide Supply Range to 18V■ Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V and 5VAPPLICATIONS■ Handheld Instruments■ Negative Voltage References■ Industrial Control Systems■ Data Acquisition Systems■ Battery-Operated Equipment
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      LT6656BIS6-4.096#TRPBF
      The LT6656 is a tiny precision voltage reference that draws less than 1μA of supply current and can operate with a supply voltage within 10mV of the output voltage. The LT6656 offers an initial accuracy of 0.05% and temperature drift of 10ppm/°C. The combined low power and precision characteristics are ideal for portable and battery powered instrumentation.The LT6656 can supply up to 5mA of output drive with 65ppm/mA of load regulation, allowing it to be used as the supply voltage and the reference input to a low power ADC. The LT6656 can accept a supply voltage up to 18V and withstand the reversal of the input connections.The LT6656 output is stable with 1μF or larger output capacitance and operates with a wide range of output capacitor ESR.This reference is fully specified for operation from –40°C to 85°C, and is functional over the extreme temperature range of –55°C to 125°C. Low hysteresis and a consistent temperature drift are obtained through advanced design, processing and packaging techniques.The LT6656 is offered in the 6-lead SOT-23, (2mm × 2mm) DFN, and 8-lead LS8 Packages. The LS8 is a 5mm × 5mm surface mount hermetic package that provides outstanding stability.Ultralow Supply Current: 850nALow DriftGrade: 10 ppm/°C MaxGrade: 20 ppm/°C MaxHigh AccuracyGrade: 0.05% MaxGrade: 0.1% MaxLong-Term Drift: 15ppm/√kHr (LS8 Package)No Humidity Sensitivity (LS8 Package)High Output Drive Current: 5mA MinLow Dropout Voltage: 10mV MaxFully Specified from –40°C to 85°COperational from –55°C to 125°CWide Supply Range to 18VReverse Input/Output ProtectionAvailable Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V and 5VAvailable in Low Profile (1mm) ThinSOT™, (2mm × 2mm) DFN and High Stability Hermetic (5mm × 5mm) LS8 PackagesPrecision A/D and D/A ConvertersPortable Gas MonitorsBattery- or Solar-Powered SystemsPrecision RegulatorsLow Voltage Signal ProcessingMicropower Remote Sensing
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      KA1525HA2(ball)
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      Digital to Analog Converters (DAC)
      LTC2631ITS8-LZ8#TRMPBF
      The LTC2631ITS8-LZ8#TRMPBF parts manufactured by LINEAR are available for purchase at Jotrin Electronics website. Here you can find a wide variety of types and values ​​of electronic parts from the world's leading manufacturers. The LTC2631ITS8-LZ8#TRMPBF components of Jotrin Electronics are carefully chosen, undergo stringent quality control, and are successfully meet all required standards.The production status marked on Jotrin.com is for reference only. If you did not find what you were looking for, you can get more value information by email, such as the LTC2631ITS8-LZ8#TRMPBF Inventory quantity, preferential price, and manufacturer. We are always happy to hear from you so feel free to contact us.LTC2631ITS8-LZ10#TRPBF with pin details, that includes Tape & Reel (TR) Alternate Packaging Packaging, they are designed to operate with a SOT-23-8 Thin, TSOT-23-8 Package Case, it has an Operating Temperature range of -40°C ~ 85°C, that offers Output Type features such as Voltage - Buffered, Supplier Device Package is designed to work in TSOT-23-8, as well as the I2C Data Interface, the device can also be used as 10 Number of Bits. In addition, the Voltage Supply Analog is 2.7 V ~ 5.5 V, the device is offered in 2.7 V ~ 5.5 V Voltage Supply Digital, the device has a External, Internal of Reference Type, and Number of D A Converters is 1, and the Settling Time is 3.8μs (Typ), and Differential Output is No, and the INL DNL LSB is ±0.2, ±0.5 (Max).The LTC2631ITS8-LZ12#TRPBF is IC DAC 12BIT VOUT TSOT23-8, that includes 2.7 V ~ 5.5 V Voltage Supply Digital, they are designed to operate with a 2.7 V ~ 5.5 V Voltage Supply Analog, Supplier Device Package is shown on datasheet note for use in a TSOT-23-8, that offers Settling Time features such as 4.1μs (Typ), Reference Type is designed to work in External, Internal, as well as the Tape & Reel (TR) Alternate Packaging Packaging, the device can also be used as SOT-23-8 Thin, TSOT-23-8 Package Case. In addition, the Output Type is Voltage - Buffered, it has an Operating Temperature range of -40°C ~ 85°C, the device has a 1 of Number of D A Converters, and Number of Bits is 12, and the INL DNL LSB is ±1, ±1 (Max), and Differential Output is No, and the Data Interface is I2C.LTC2631ITS8-LZ12#TRMPBF with circuit diagram, that includes I2C Data Interface, they are designed to operate with a No Differential Output, INL DNL LSB is shown on datasheet note for use in a ±1, ±1 (Max), that offers Number of Bits features such as 12, Number of D A Converters is designed to work in 1, it has an Operating Temperature range of -40°C ~ 85°C, the device can also be used as Voltage - Buffered Output Type. In addition, the Package Case is SOT-23-8 Thin, TSOT-23-8, the device is offered in Digi-ReelR Alternate Packaging Packaging, the device has a External, Internal of Reference Type, and Settling Time is 4.1μs (Typ), and the Supplier Device Package is TSOT-23-8, and Voltage Supply Analog is 2.7 V ~ 5.5 V, and the Voltage Supply Digital is 2.7 V ~ 5.5 V.
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      KA1606HA1(ball)
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      Analog to Digital Converters (ADC)
      LTC2365CTS8#TRPBF
      The LTC2365/LTC2366 are 1Msps/3Msps, 12-bit, sampling A/D converters that draw only 2mA and 2.6mA, respectively, from a single 3V supply. These high performance devices include a high dynamic range sample-and-hold and a high speed serial interface. The full-scale input is 0V to VDD or VREF. Outstanding AC performance includes 72dB SINAD and –80dB THD at sample rates of 3Msps. The serial interface provides flexible power management and allows maximum power efficiency at low throughput rates. These devices are available in tiny 6- and 8-lead TSOT-23 packages.The serial interface, tiny TSOT-23 package and extremely high sample rate-to-power ratio make the LTC2365/LTC2366 ideal for compact, low power, high speed systems.The high impedance single-ended analog input and the ability to operate with reduced spans (down to 1.4V full scale) allow direct connection to sensors and transducers in many applications, eliminating the need for gain stages.
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      LTC2362CS6#TRPBF
      The LTC2360/LTC2361/LTC2362CS6#TRPBF are 100ksps/250ksps/500ksps, 12-bit, sampling A/D converters that draw only 0.5mA, 0.75mA and 1.1mA, respectively, from a single 3V supply. The supply current drops at lower sampling rates because these devices automatically power down after conversions. The full-scale input of the LTC2360/LTC2361/LTC2362CS6#TRPBF is 0V to VDD or VREF. These ADCs are available in tiny 6- and 8-lead TSOT-23 packages.The serial interface, tiny TSOT-23 package and extremely high sample rate-to-power ratio make the LTC2360/LTC2361/LTC2362CS6#TRPBF ideal for compact, low power, high speed systems.The high impedance single-ended analog input and the ability to operate with reduced spans (down to 1.4V full scale) allow direct connection to sensors and transducers in many applications, eliminating the need for gain stages.12-Bit ResolutionLow Noise: 73dB SNRLow Power Dissipation: 1.5mW at 100ksps100ksps/250ksps/500ksps Sampling RatesSingle Supply 2.35V to 3.6V OperationNo Data LatencySleep Mode with 0.1μA Typical Supply CurrentDedicated External Reference (TSOT23-8)1V to 3.6V Digital Output Supply (TSOT23-8)SPI/MICROWIRE™ Compatible Serial I/OGuaranteed Operation from –40°C to 125°CTiny 6- and 8-Lead TSOT-23 PackagesCommunication SystemsData Acquisition SystemsHandheld Portable DevicesUninterrupted Power SuppliesBattery-Operated SystemsAutomotive
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      KA1725HA1(ball)
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      KA1725HA2(ball)
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      KA1725HA3(ball)
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      KA1725XA2(ball)
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      PMIC - Power Supply Controllers, Monitors
      LTC2950ITS8-1#TRPBF
      The LTC2950ITS8-1#TRPBF is a micropower, wide input voltage range, pushbutton ON/OFF controller. The part contains a pushbutton input with independently programmable ON and OFF debounce times that control the toggling of an open drain enable output. The part also contains a simple microprocessor interface to allow for proper system housekeeping prior to power down. Under system fault conditions, an internal KILL timer ensures proper power down.The LTC2950ITS8-1#TRPBF operates over a wide 2.7V to 26.4V input voltage range to accommodate a wide variety of input power supplies. Very low quiescent current (6μA typical) makes the LTC2950ITS8-1#TRPBF ideally suited for battery powered applications. Two versions of the part are available to accommodate either positive or negative enable polarities. The parts are available in either 8-lead 3mm × 2mm DFN or ThinSOT packages.
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      KA2072HA2(ball)
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      KA2072HA3(ball)
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      Supervisors
      LTC2905ITS8#TRPBF
      The LTC2904/LTC2905ITS8#TRPBF are dual supply monitors intended for systems with two supply voltages. The dual supply monitors have a common reset output with delay (200ms for the LTC2904 and adjustable using an external capacitor for the LTC2905). This product provides a precise, space-conscious and micropower solution for supply monitoring.The LTC2904/LTC2905ITS8#TRPBF feature a tight 1.5% threshold accuracy over the whole operating temperature range, and glitch immunity to ensure reliable reset operation without false triggering. The open drain RST output is guaranteed to be in the correct state for inputs down to 1V.The LTC2904/LTC2905ITS8#TRPBF also feature three programming input pins, which program the threshold and tolerance level without requiring any external components. These three programming pins provide a total of 27 different voltage level and tolerance combinations, eliminating the need to have different parts for development and implementation of different systems with different voltage levels requiring monitoring function.Monitors Two Inputs SimultaneouslyNine Threshold CombinationsThree Supply Tolerances (5%, 7.5%, 10%)Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over TemperatureInternal VCC Auto SelectPower Supply Glitch Immunity200ms Reset Time Delay (LTC2904 Only)Adjustable Reset Time Delay (LTC2905 Only)Open Drain RST OutputGuaranteed RST for V1 ≥ 1V or V2 ≥ 1VLow Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm × 2mm) DFN PackagesDesktop and Notebook ComputersHandheld DevicesNetwork ServersCore, I/O Monitor
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      LTC2912CTS8-3#TRPBF
      The LTC2912CTS8-3#TRPBF voltage monitor is designed to detect power supply undervoltage and overvoltage events. The VL and VH monitor inputs include filtering to reject brief glitches, thereby ensuring reliable reset operation without false or noisy triggering. An adjustable timer defines the duration of the overvoltage and undervoltage reset outputs which function independently. While the LTC2912CTS8-3#TRPBF operates directly from 2.3V to 6V supplies, an internal VCC shunt regulator coupled with low supply current demand allows operation from higher voltages such as 12V, 24V or 48V.Three output configurations are available: the LTC2912‑1 has a latch control for the OV output; the LTC2912-2 has an OV and UV output disable feature for margining applications; the LTC2912-3 is identical to the LTC2912-1 but with a noninverting, OV output.The LTC2912CTS8-3#TRPBF provides a precise, versatile, space-conscious micropower solution for voltage monitoring.Monitors Single VoltageAdjustable UV and OV Trip ValuesGuaranteed Threshold Accuracy: ±1.5%Power Supply Glitch ImmunityAdjustable Reset Timeout with Timeout Disable29μA Quiescent CurrentOpen-Drain OV and UV OutputsGuaranteed OV and UV for VCC ≥ 1VAvailable in 8-Lead ThinSOT™ and (3mm × 2mm) DFN PackagesDesktop and Notebook ComputersNetwork ServersCore, I/O Voltage Monitors
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      LTC2903CS6-A1#TRPBF
      DESCRIPTIONThe LTC®2903-1 monitors up to four supply voltages. The common reset output remains low until all four inputs have been in compliance for 200ms. Voltage thresholds maintain ±1.5% accuracy over temperature (with respect to the monitored voltage). The LTC2903-1 features an open-drain RST output with a weak internal pullup.FEATURES■ Ultralow Voltage Reset: VCC = 0.5V Guaranteed■ Monitor Four Inputs Simultaneously3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1)5V, 3.3V, 2.5V, 1.8V (LTC2903-B1)5V, 3.3V, 1.8V, –5.2V (LTC2903-C1)■ Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage over Temperature■ 10% Undervoltage Monitoring■ Low Supply Current: 20µA Typical■ 200ms Reset Time Delay■ Active Low Open-Drain RST Output■ Power Supply Glitch Immunity■ Low Profile (1mm) SOT-23 (ThinSOTTM) PackageAPPLICATIONS■ Multivoltage Systems■ Optical Networking Systems■ Cell Phone Base Stations■ Network Servers
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      KA2206HA1(ball)
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      DC Switching Controllers
      LTC3801BES6#TRMPBF
      DESCRIPTIONThe LTC® 1871-7 is a current mode, boost, flyback and SEPIC controller optimized for driving 6V-rated MOSFETs in high voltage applications. The LTC1871-7 works equally well in low or high power applications and requires few components to provide a complete power supply solution. The switching frequency can be set with an external resistor over a 50kHz to 1MHz range, and can be synchronized to an external clock using the MODE/SYNC pin.FEATURES■ Optimized for High Input Voltage Applications■ Wide Chip Supply Voltage Range: 6V to 36V■ Internal 7V Low Dropout Voltage Regulator Optimized for 6V-Rated MOSFETs■ Current Mode Control Provides Excellent Transient Response■ High Maximum Duty Cycle (92% Typ)■ ±2% RUN Pin Threshold with 100mV Hysteresis■ ±1% Internal Voltage Reference■ Micropower Shutdown: IQ= 10µA■ Programmable Operating Frequency (50kHz to 1MHz) with One External Resistor■ Synchronizable to an External Clock Up to 1.3 ×fOSC■ User-Controlled Pulse Skip or Burst Mode® Operation■ Output Overvoltage Protection■ Can be Used in a No RSENSETM Mode for VDS< 36V■ Small 10-Lead MSOP PackageAPPLICATIONS■ Telecom Power Supplies■ 42V Automotive Systems■ 24V Industrial Controls■ IP Phone Power Supplies
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      LTC1772BES6#TRPBF
      DESCRIPTIONThe LTC®1772B is a constant frequency current mode step-down DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates an accurate undervoltage lockout feature that shuts down the LTC1772B when the input voltage falls below 2.0V.The LTC1772B provides a ±2.5% output voltage accuracy and consumes only 270µA of quiescent current. In shutdown, the device draws a mere 8µA.To further maximize the life of a battery source, the external P-channel MOSFET is turned on continuously in dropout (100% duty cycle). High constant operating frequency of 550kHz allows the use of a small external inductor.FEATURES■ Burst ModeTM Operation Disabled for Lower Output Ripple at Light Loads■ High Efficiency: Up to 94%■ High Output Currents Easily Achieved■ Wide VIN Range: 2.5V to 9.8V■ Constant Frequency 550kHz Operation■ Low Dropout: 100% Duty Cycle■ Output Voltage down to 0.8V■ Current Mode Operation for Excellent Line and Load Transient Response■ Shutdown Mode Draws Only 8µA Supply Current■ Tiny 6-Lead SOT-23 PackageAPPLICATIONS■ One or Two Lithium-Ion-Powered Applications■ Cellular Telephones■ Wireless Devices■ Portable Computers■ Distributed 3.3V, 2.5V or 1.8V Power Systems
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      LTC1772ES6#TRPBF
      The LTC1772ES6#TRPBF is a constant frequency current mode step-down DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates an accurate undervoltage lockout feature that shuts down the LTC1772ES6#TRPBF when the input voltage falls below 2.0V.The LTC1772ES6#TRPBF provides a ±2.5% output voltage accuracy and consumes only 270µA of quiescent current. For applications where efficiency is a prime consideration, the LTC1772ES6#TRPBF is configured for Burst Mode operation, which enhances efficiency at low output current.To further maximize the life of a battery source, the external P-channel MOSFET is turned on continuously in dropout (100% duty cycle).In shutdown, the device draws a mere 8µA. High constant operating frequency of 550kHz allows the use of a small external inductor.The LTC1772ES6#TRPBF is available in a small footprint 6-lead SOT-23.Burst ModeLTC1772YesLTC1772BNoHigh Efficiency: Up to 94%High Output Currents Easily AchievedWide VIN Range: 2.5V to 9.8VConstant Frequency 550kHz OperationBurst Mode® Operation at Light LoadLow Dropout: 100% Duty CycleTiny 6-Lead SOT-23 Package0.8V Reference Allows Low Output VoltagesCurrent Mode Operation for Excellent Line and LoadTransient ResponseLow Quiescent Current: 270µAShutdown Mode Draws Only 8µA Supply Current±2.5% Reference AccuracyOne or Two Lithium-Ion-Powered ApplicationsCellular TelephonesWireless ModemsPortable ComputersDistributed 3.3V, 2.5V or 1.8V Power SystemsScanners
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      LTC3803IS6-5#TRPBF
      The LTC3803IS6-5#TRPBF is a constant frequency current mode flyback controller optimized for driving N-channel MOSFETs in high input voltage applications. Constant frequency operation is maintained down to very light loads, resulting in less low frequency noise generation over a wide range of load currents. Slope compensation can be programmed with an external resistor.The LTC3803IS6-5#TRPBF provides ±1.5% output voltage accuracy and consumes only 240μA of quiescent current. Ground-referenced current sensing allows LTC3803-based converters to accept input supplies beyond the LTC3803’s absolute maximum VCC. A micropower hysteretic start-up feature allows efficient operation at high input voltages. For simplicity, the LTC3803IS6-5#TRPBF can also be powered from a high VIN through a resistor, due to its internal shunt regulator. An internal undervoltage lockout shuts down the LTC3803IS6-5#TRPBF when the input voltage is too low to provide sufficient gate drive to the external MOSFET.The LTC3803IS6-5#TRPBF is available in a low profile (1mm) 6-lead SOT-23 (ThinSOT™) package.Turn On VoltageFrequencyLTC38038.7V200kHzLTC3803-38.7V300kHzLTC3803-54.8V200kHzVIN and VOUT Limited Only by External ComponentsAdjustable Slope CompensationInternal Soft-StartConstant Frequency 200kHz Operation±1.5% Reference AccuracyCurrent Mode Operation for Excellent Line and Load Transient ResponseNo Minimum Load RequirementLow Quiescent Current: 240μALow Profile (1mm) SOT-23 Package应用领域Telecom Power Supplies42V and 12V Automotive Power SuppliesAuxiliary/Housekeeping Power SuppliesPower Over Ethernet
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      LTC3803ES6-5#TRPBF
      The LTC3803ES6-5#TRPBF is a constant frequency current mode flyback controller optimized for driving N-channel MOSFETs in high input voltage applications. Constant frequency operation is maintained down to very light loads, resulting in less low frequency noise generation over a wide range of load currents. Slope compensation can be programmed with an external resistor.The LTC3803ES6-5#TRPBF provides ±1.5% output voltage accuracy and consumes only 240μA of quiescent current. Ground-referenced current sensing allows LTC3803-based converters to accept input supplies beyond the LTC3803’s absolute maximum VCC. A micropower hysteretic start-up feature allows efficient operation at high input voltages. For simplicity, the LTC3803ES6-5#TRPBF can also be powered from a high VIN through a resistor, due to its internal shunt regulator. An internal undervoltage lockout shuts down the LTC3803ES6-5#TRPBF when the input voltage is too low to provide sufficient gate drive to the external MOSFET.The LTC3803ES6-5#TRPBF is available in a low profile (1mm) 6-lead SOT-23 (ThinSOT™) package.Turn On VoltageFrequencyLTC38038.7V200kHzLTC3803-38.7V300kHzLTC3803-54.8V200kHzVIN and VOUT Limited Only by External ComponentsAdjustable Slope CompensationInternal Soft-StartConstant Frequency 200kHz Operation±1.5% Reference AccuracyCurrent Mode Operation for Excellent Line and Load Transient ResponseNo Minimum Load RequirementLow Quiescent Current: 240μALow Profile (1mm) SOT-23 PackageTelecom Power Supplies42V and 12V Automotive Power SuppliesAuxiliary/Housekeeping Power SuppliesPower Over Ethernet
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      Instrumentation Amplifier
      LT1783HS6#TRPBF
      DESCRIPTIONThe LT®1783 is a 1.25MHz op amp available in the small SOT-23 package that operates on all single and split supplies with a total voltage of 2.5V to 18V. The amplifier draws less than 300μA of quiescent current and has reverse-battery protection, drawing negligible current for reverse supply voltages up to 18V.FEATURES■ Operates with Inputs Above V+■ Rail-to-Rail Input and Output■ Micropower: 300μA Supply Current Max■ Operating Temperature Range: –40°C to 125°C■ Gain Bandwidth Product: 1.25MHz■ Slew Rate: 0.42V/μs■ Low Input Offset Voltage: 800μV Max■ Single Supply Input Range: 0V to 18V■ High Output Current: 18mA Min■ Specifi ed on 3V, 5V and ±5V Supplies■ Output Shutdown on 6-Lead Version■ Reverse-Battery Protection to 18V■ High Voltage Gain: 1500V/mV■ Low Profi le (1mm) ThinSOT™ PackageAPPLICATIONS■ Portable Instrumentation■ Battery- or Solar-Powered Systems■ Sensor Conditioning■ Supply Current Sensing■ Battery Monitoring■ MUX Amplifi ers■ 4mA to 20mA Transmitters
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      LT6236IS6#TRPBF
      DescriptionThe LT®6236/LT6237/LT6238 are single/dual/quad low noise, rail-to-rail output op amps that feature1.1nV/√Hz input referred noise voltage density and draw only3.5mA of supply current per amplifier. These amplifiers combine very low noise and supply current with a215MHz gain bandwidth product and a70V/µs slew rate. Low noise, fast settling time and low offset voltage make this amplifier optimal to drive low noise, high speed SAR ADCs. The LT6236 includes a shutdown feature that can be used to reduce the supply current to less than 10µA.FeaTuresLow Noise: 1.1nV/√HzLow Supply Current: 3.5mA/Amp MaxLow Offset Voltage: 350µV MaxFast Settling Time: 570ns to 18-Bit, 2VP-POutputLow Distortion: THD = –116.8dB at 2kHzWide Supply Range: 3V to 12.6VOutput Swings Rail-to-Rail215MHz Gain-Bandwidth ProductSpecified Temperature Range: –40°C to 125°CLT6236 Shutdown to 10µA MaxLT6236 in Low Profile (1mm) ThinSOT™ PackageDual LT6237 in 3mm ×3mm 8-Lead DFN and 8-Lead MSOP PackagesLT6238 in 16-Lead SSOP Package
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      LED Drivers
      LT3465AES6#TRPBF
      The LT3465/LT3465AES6#TRPBF are step-up DC/DC converters designed to drive up to six LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors. These devices integrate the Schottky diode required externally on competing devices. Additional features include output voltage limiting when LEDs are disconnected, onepin shutdown and dimming control. The LT3465 has internal soft-start.The LT3465 switches at 1.2MHz, allowing the use of tiny external components. The faster LT3465AES6#TRPBF switches at 2.4MHz. Constant frequency switching results in low input noise and a small output capacitor. Just 0.22µF is required for 3-, 4- or 5-LED applications.The LT3465 and LT3465AES6#TRPBF are available in low profile (1mm) 6-lead SOT-23 (ThinSOT™) packages.Inherently Matched LED CurrentDrives Up to Six LEDs from a 3.6V SupplyNo External Schottky Diode Required1.2MHz Switching Frequency (LT3465)2.4MHz Switching Frequency Above AM Broadcast Band (LT3465A)VIN Range: 2.7V to 16VVOUT(MAX) = 30VAutomatic Soft-Start (LT3465)Open LED ProtectionHigh Efficiency: 81% (LT3465) 79% (LT3465A) TypicalRequires Only 0.22µF Output CapacitorLow Profile (1mm) SOT-23 PackagingCellular PhonesPDAs, Handheld ComputersDigital CamerasMP3 PlayersGPS Receivers
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      Multivibrators
      LTC6993CS6-2#TRPBF
      The LTC6993CS6-2#TRPBF provides power supply monitoring for microprocessor-based systems. The features include microprocessor reset and watchdog timing. Precise internal voltage reference and comparator circuit monitor the power supply line. When an out-of-tolerance condition occurs, the RESET output is forced to active low. In addition, the RESET output is guaranteed to remain logic low even with VCC as low as 1V.An internal watchdog timer is also available, which forces the RESET output to active low when the watchdog input is not toggled prior to the time-out period of 1.6 seconds.The LTC6993CS6-2#TRPBF is offered in DIP and surface mount packages.Guaranteed Reset Assertion at VCC = 1V1.5mA Maximum Supply CurrentSO-8 Packaging4.65V Precision Voltage MonitorPower OK/Reset Time Delay: 200msMinimum External Component CountPerformance Specified Over TemperatureSuperior Upgrade for MAX699Critical µP Power MonitoringIntelligent InstrumentsComputers and ControllersAutomotive Systems
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