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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
OTHERIn StockNew Sealed Under Guarantee
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
OTHERIn StockNew Sealed Under Guarantee
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
OTHERIn StockNew Sealed Under Guarantee
KA2206HA1(ball)
OTHERIn StockNew Sealed Under Guarantee
0.533343s