LTC3407-3 Datasheet | Linear Technology

Features Dual Synchronous, 1.8V/0.8A and 3.3V/0.8A 2.25MHz Step-Down DC/DC Regulator DESCRIPTION n Very Low Quiescent Current: Only 40μA n 1.8V at 800mA/3.3V at 800mA n High Efficiency: Up to 95% n 2.25MHz Constant Frequency Operation n High Switch Current: 1.2A on Each Channel n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.35Ω n VIN: 3.3V to 5.5V n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Ultralow Shutdown Current: IQ < 1μA n Power-On Reset Output n Externally Synchronizable Oscillator n Small Thermally Enhanced 3mm × 3mm DFN Package APPLICATIONS n PDAs/Palmtop...