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      DC Switching Regulators

      DC Switching Regulators
      ModelDescriptionBrandLeadingConditionPriceAction
      DC Switching Regulators
      MAX724CCK
      General DescriptionThe MAX724/MAX726 are monolithic, bipolar, pulsewidth modulation (PWM), switch-mode DC-DC regulators optimized for step-down applications. The MAX724 is rated at 5A, and the MAX726 at 2A. Few external components are needed for standard operation because the power switch, oscillator, and control circuitry are all on-chip. Employing a classic buck topology, these regulators perform high-current stepdown functions, but can also be configured as inverters, negative boost converters, or flyback converters.Features♦ Input Range: Up to 40V♦ 5A On-Chip Power Switch (MAX724) 2A On-Chip Power Switch (MAX726)♦ Adjustable Output: 2.5V to 35V♦ 100kHz Switching Frequency♦ Excellent Dynamic Characteristics♦ Few External Components♦ 8.5mA Quiescent Current♦ TO-220 PackageApplicationsDistributed Power from High-Voltage BusesHigh-Current, High-Voltage Step-Down ApplicationsHigh-Current InverterNegative Boost ConverterMultiple-Output Buck ConverterIsolated DC-DC Conversion
      		OTHERIn StockNew Sealed Under Guarantee
      MAX829EUK+T
      		OTHERIn StockNew Sealed Under Guarantee
      MAX8561ETA
      General DescriptionThe MAX8560/MAX8561/MAX8562 step-down DC-DC converters are optimized for applications that prioritize small size and high efficiency. They utilize a proprietary hysteretic-PWM control scheme that switches with fixed frequency and is adjustable up to 4MHz, allowing customers to trade efficiency for smaller external components. Output current is guaranteed up to 500mA, while quiescent current is only 40µA (typ).Internal synchronous rectification greatly improves efficiency and eliminates the external Schottky diode required in conventional step-down converters. Built-in soft-start eliminates inrush current to reduce input capacitor requirements. The MAX8561 features logic controlled output voltage, while the MAX8562 drives an external bypass FET.The MAX8560 is available in a 5-pin Thin SOT23 package. The MAX8561/MAX8562 are available in space saving 8-pin 3mm x 3mm Thin DFN packages.Features♦ Up to 4MHz PWM Switching Frequency♦ 500mA Guaranteed Output Current♦ 40µA (typ) Quiescent Current♦ Adjustable Output Voltage from 0.6V to 2.5V♦ Logic-Controlled Output Voltage (MAX8561)♦ Drives External Bypass FET (MAX8562)♦ ±1.5% Initial Accuracy♦ Soft-Start Eliminates Inrush Current♦ Fast Voltage-Positioning Transient Response♦ Internal Synchronous Rectifier♦ 2.7V to 5.5V Input♦ 0.1µA Logic-Controlled Shutdown♦ Thermal Shutdown♦ Thin SOT23 or Space-Saving 3mm x 3mm x 0.8mm TDFN PackagesApplicationsMicroprocessor/DSP Core SuppliesCellular and Smart PhonesCDMA/RF Power-Amplifier SuppliesPDAs, DSC, and MP3 Players
      		OTHERIn StockNew Sealed Under Guarantee
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