Analog Devices Inc.

Category: Power Management ICs

Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator Features: High Efficiency: Up to 95% Low Ripple (<35mVP-P) Burst Mode Operation; IQ = 40μA 2.25MHz Constant Frequency Operation High Switch Current: 0.7A and 1.2A No Schottky Diodes Required Low RDS(ON) Internal Switches: 0.35Ω Current Mode Operation for Excellent Line and Load Transient Response Short-Circuit Protected Low Dropout Operation: 100% Duty Cycle Ultralow Shutdown Current: IQ <1μA Output Voltages from 5V down to 0.6V Power-On Reset Output Externally Synchronizable Oscillator Optional External Soft-Start Small Thermally Enhanced MSOP and 3mm × 3mm DFN Packages

$3.71