DESCRIPTION
●The TPS6222x devices are a family of high-efficiency, synchronous step-down converters ideally suited for portable systems powered by 1-cell Li-Ion or 3-cell NiMH/NiCd batteries. The devices are also suitable to operate from a standard 3.3-V or 5-V voltage rail.
●FEATURES
●• High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
●• 2.5-V to 6-V Input Voltage Range
●• Adjustable Output Voltage Range From 0.7 V to VI
●• Fixed Output Voltage Options Available
●• Up to 400-mA Output Current
●• 1.25-MHz Fixed Frequency PWM Operation
●• Highest Efficiency Over Wide Load Current Range Due to Power-Save Mode
●• 15 µA Typical Quiescent Current
●• Soft Start
●• 100% Duty Cycle Low-Dropout Operation
●• Dynamic Output-Voltage Positioning
●• Available in TSOT23 Package
●APPLICATIONS
●• PDAs and Pocket PC
●• Cellular Phones, Smart Phones
●• OMAP™ and Low Power DSP Supply
●• Digital Cameras
●• Portable Media Players
●• Portable Equipment
●• WLAN PC Cards
