TPS62270, TPS62272 TPS62273
www. ti. com . . . . SLVS799C – NOVEMBER 2007 – REVISED JANUARY 2009
2. 25 MHz 400-mA Step Down Converter With Selectable VOUT
FEATURES
1
•2 High Efficiency Step Down Converter • Output Current up to 400 mA • VIN Range From 2V to 6V for Li-Ion Batteries
With Extended Voltage Range • 2. 25 MHz Fixed Frequency Operation • Pin-Selectable Fixed Output Voltage • Power Save Mode for Highest Efficiency • Automatic transition between PFM and PWM
Mode • Voltage Positioning in PFM Mode • Typical 15-µA Quiescent Current • 100% Duty Cycle for Lowest...