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LTC3822

Part Number	LTC3822
Manufacturer	Linear Technology
Description	Synchronous Step-Down DC/DC Controller
Published	Jun 8, 2009
Detailed Description	LTC3822 No RSENSE™, Low Input Voltage, Synchronous Step-Down DC/DC Controller FEATURES n No Current Sense Resistor Requ...
Datasheet	LTC3822 PDF File

Overview

LTC3822 No RSENSE™, Low Input Voltage, Synchronous Step-Down DC/DC Controller FEATURES n No Current Sense Resistor Required n All N-Channel MOSFET Synchronous Drive n High Current Outputs Possible n Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response n VIN: 2.
75V to 4.
5V n ±1% 0.
6V Reference n Low Dropout Operation: 99% Duty Cycle n Selectable Frequency (300kHz/550kHz/750kHz) n Internal Soft-Start Circuitry n Selectable Maximum Peak Current Sense Threshold n Digital RUN Control Pin n Output Overvoltage Protection n Micropower Shutdown: IQ = 7.
5μA n Tiny Thermally Enhanced Leadless (3mm × 3mm) DFN or 10-Lead MSOP Package DESCRIPTION The LTC®3822 is a syn...

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