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LTC3543

Part Number	LTC3543
Manufacturer	Linear Technology
Description	600mA Synchronous Step Down Buck Regulator
Published	Aug 14, 2007
Detailed Description	LTC3543 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum FEATURES DESCRIPTION n 6...
Datasheet	LTC3543 PDF File

Overview

LTC3543 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum FEATURES DESCRIPTION n 600mA Output Current n 2.
5V to 5.
5V Input Voltage Range n 2.
25MHz Constant-Frequency Operation, Spread Spectrum or Synchronized PLL (1MHz to 3MHz) n High Efﬁciency: Up to 95% n 1A Peak Inductor Current n Very Low Quiescent Current: Only 45μA During Burst Mode Operation n No Schottky Diode Required n Low Dropout Operation: 100% Duty Cycle n Overtemperature Protected n Stable with Ceramic Capacitors n Shutdown Mode Draws <1μA Supply Current n ±2% Output Voltage Accuracy n Current Mode Operation for Excellent Line and Load Transient Response n Soft-Start n Available in a Low Pr...

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