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LTC3543 - 600mA Synchronous Step Down Buck Regulator

General 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 Require

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 Profile (0.