LTC3822 - Synchronous Step-Down DC/DC Controller

Linear Technology

Datasheet Details

Part number	LTC3822
Manufacturer	Linear Technology
File Size	204.04 KB
Description	Synchronous Step-Down DC/DC Controller
Datasheet	LTC3822_LinearTechnology.pdf

The LTC®3822 is a synchronous step-down switching regulator controller that drives external N-channel power MOSFETs using few external components.

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 = 7.5.

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Published: Jun 8, 2009 |