| Description & Applications | 3MHz Fast Transient 400mA Step-Down Converter High Efficiency, Low Noise, Fast Transient 400mA Step-Down Converter •VIN Range: 2.7V to 5.5V • VOUT Adjustable from 0.6V to VIN • 400mA Output Current • Up to 98% Efficiency • Low Noise, 1.4MHz Fixed Frequency PWM Operation • Fast Load Transient • 150µs Soft Start • Over-Temperature and Current Limit • 100% Duty Cycle Low Dropout Operation • <1µA Shutdown Current • 8-Pin SC70JW Package • Temperature Range: -40°C to +85°C • Cellular Phones • Digital Cameras • Handheld Instruments • Microprocessor/DSP Core /IO Power • PDAs and Handheld Computers • USB devices |