LTC3548-2
Description
n High Efficiency: Up to 95% n 1.8V/800mA Fixed Output and 400mA Adjustable Output Voltage n Only 40μA Quiescent Current (Both Channels) n 2.25MHz Constant-Frequency Operation n High Switch Current Limits: 1.2A and 0.7A 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 Power-On Reset Output n Externally Synchronizable Oscillator n Small, Thermally Enhanced 3mm × 3mm DFN Package.
Key Features
- Dual Synchronous, Fixed /Adjustable Output, 2.25MHz Step-Down DC/DC Regulator
