FEATURES • High Efficiency: Up to 95% • 1MHz Constant Switching Frequency • 800mA ailable Load Current • 2.5V to 6V Input Voltage Range • Output Voltage as Low as 0.6V • Duty Cycle in Dropout • Current Mode Cool • Short Circuit Protection • Thermal Fault Protection • <0.1µA Shutdown Current • Space Sing 5-Pin TSOT23 Package APPLICATIONS • Cellular and Smart Phones • Microprocessors and DSP Core Supplies • PDAs • MP3 Players • Digital Still and Video Cameras • Portable Instruments