Datasheet Summary
Features n High Efficiency: Up to 94% n 3.3V at 200mA from Two Alkaline Cells n 5V at 200mA from a Single Li-Ion Cell n Inrush Current Limiting and Soft-Start n Output Disconnect in Shutdown n 1.8V to 5V VIN Range n 1.8V to 5.25V VOUT Range n 1.25MHz Fixed Frequency, Low Noise PWM n Internal Synchronous Rectifier n Logic Controlled Shutdown (<1µA) n Anti-Ringing Control Minimizes EMI n Tiny External ponents n Short-Circuit Protection n Low Profile (0.75mm × 2mm × 2mm) DFN Package
APPLICATIONS n Handheld Instruments n Digital Cameras n Wireless Handsets n GPS Receivers n Portable Medical Devices n MP3 Players
500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm × 2mm DFN...