LTC3548A Overview
Description
n High Efficiency: Up to 95% n Low Ripple (<35mVP-P) Burst Mode Operation; IQ = 40μA n 2.25MHz Constant Frequency Operation n High Switch Current: 0.7A and 1.2A n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.35Ω 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 Output Voltages from 5V down to 0.6V n Power-On Reset Output n Externally Synchronizable Oscillator n Optional External Soft-Start n Small Thermally Enhanced MSOP and 3mm × 3mm DFN Packages.
