Datasheet Summary
LTC3801/LTC3801B
Micropower Constant Frequency Step-Down
DC/DC Controllers in ThinSOT
Features s High Efficiency: Up to 94% s Very Low No-Load Quiescent Current:
Only 16µA (LTC3801) s High Output Currents Easily Achieved s Internal Soft-Start s Wide VIN Range: 2.4V to 9.8V s Low Dropout: 100% Duty Cycle s Constant Frequency 550kHz Operation s Burst Mode® Operation for High Efficiency at Light Loads (LTC3801) s Burst Mode Operation Disabled for Lower Output
Ripple at Light Loads (LTC3801B) s Output Voltage as Low as 0.8V s ±1.5% Voltage Reference Accuracy s Current Mode Operation for Excellent Line and Load
Transient Response s Only 6µA Supply Current in Shutdown (LTC3801) s Low...