Description & Applications | 800mA Voltage-Scaling Step-Down Converter • VIN Range: 2.7V to 5.5V • VOUT Programmable Range: 0.6V to 2.0V • Dynamic Voltage Management: — 50mV Output Resolution — Fast, Stable Response • Serial Control Options: — ICwire Single-Wire Interface • 800mA Output Current • Up to 93% Efficiency • Line, Load Regulation Less Than ±0.5% • 2.2MHz Switching Frequency • Ultra-Small External Filter • Low 35µA No Load Quiescent Current • 100% Duty Cycle Low Dropout Operation • Internal Soft Start • Over-Temperature Protection • Current Limit Protection • Multi-Function MODE/SYNC Pin: — PFM/PWM for High Efficiency — PWM Only for Low Noise — Clock Input to Synchronize to System Clock • TSOPJW-12 or TDFN33-12 Package • Temperature Range: -40°C to +85°C • Camcorders • Cellular Phones and Smartphones • Digital Still Cameras • Handheld Instruments • Microprocessor / DSP Core • MP3, Portable Music, and Portable Media Players • PDAs and Handheld Computers |