| Description & Applications | 1.5 MHz, 600 mA,High-Efficiency, Low Quiescent Current, Adjustable Output Voltage Step-Down Converter • 95.3% of Efficiency for 3.3 V Output and 4.2 V Input and 80 mA Load-Current • Sources up to 600 mA • 1.5 MHz Switching Frequency • Adjustable Output Voltage from 0.9 V to 3.3 V • 30 A Quiescent Current • Synchronous Rectification for Higher Efficiency • 2.7 V to 5.5 V Input Voltage Range • Thermal Limit Protection • Shutdown Current Consumption of 0.3 A • Short Circuit Protection • This is a Pb-Free Device • Cellular Phones, Smart Phones and PDAs • Digital Still/Video Cameras • MP3 Players and Portable Audio Systems • Wireless and DSL Modems • Portable Equipment • USB Powered Devices |