U U
LTC1574 LTC1574-3.
3/LTC1574-5
High Efficiency Step-Down DC/DC Converters
with Internal
Schottky Diode
FEATURES
DESCRIPTIO
s High Efficiency: Up to 94% s Usable in Noise-Sensitive Products s Peak Inductor Current Independent of Inductor Value s Short-Circuit Protection s Internal Low Forward Drop
Schottky Diode s Only Three External Components Required s Wide VIN Range: 4V to 18.
5V (Absolute Maximum) s Low Dropout Operation s Low-Battery Detector s Pin Selectable Current Limit s Internal 0.
9Ω Power Switch: VIN 11V s Standby Current: 130µA s Active Low Micropower Shutdown
U APPLICATIO S
s Inverting Converters s Step-Down Converters s Memory Backup Supply s Portable Instruments s Batt...