LTC1574-3.3 High Efficiency Step-Down DC/DC Converters

LTC1574-3.3 High Efficiency Step-Down DC/DC Converters

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 .

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 Battery-Powered Equip.