U U
FEATURES
■ Synchronous Rectification: Up to 97% Efficiency ■ 1A Switch Current Rating ■ Fixed Frequency Operation Up to 3MHz ■ Wide Input Range: 0.
5V to 5.
5V (Operating) ■ Very Low Quiescent Current: 38μA (Burst Mode®
Operation) ■ 2.
6V to 5.
5V Adjustable Output Voltage ■ 0.
85V (Typ) Start-Up Voltage ■ No External
Schottky Diode Required (VOUT 4.
3V) ■ Synchronizable Switching Frequency ■ Burst Mode Enable Control ■ Antiringing Control Reduces Switching Noise ■ PGOOD Output ■ OPTI-LOOP® Compensation ■ Very Low Shutdown Current: 1μA
■ Small 10-Pin MSUOP Package APPLICATIO S
■ Pagers ■ Handheld Instruments ■ Cordless Phones ■ Wireless Handsets ■ GPS Receivers ■ Battery Backup ■ CCFL Bac...