FAN5308 — 800mA High-Efficiency Step-Down DC-DC Converter
June 2007
FAN5308 tm
800mA High-Efficiency Step-Down DC-DC Converter
Features
■ 96% efficiency, synchronous operation ■ Adjustable output
voltage options from 0.
8V to VIN ■ 2.
5V to 5.
5V input
voltage range ■ Up to 800mA output current ■ Fixed-frequency 1.
3MHz PWM operation ■ High-efficiency, power-save mode ■ 100% duty cycle low-dropout operation ■ Soft-start ■ Output over-
voltage protection ■ Dynamic output
voltage positioning ■ 25µA quiescent current ■ Thermal shutdown and short-circuit protection ■ Pb-free 3x3mm 6-lead MLP package
Applications
■ Pocket PCs, PDAs ■ Cell phones ■ Battery-powered portable devices ■ Digital cameras ■...