TPS62203DBV

DC-DC芯片/TPS62203DBV

DESCRIPON

The TPS6220x 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 6.0 V Input Voltage Range

• Adjustable Output Voltage Range From 0.7 V to VI

• Fixed Output Voltage Options Available

• Up to 300 mA Output Current

• 1 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 a Tiny 5-Pin SOT23 Package

APPLICATIONS

• PDAs and Pocket PC

• Cellular Phones, Smart Phones

• Low Power DSP Supply

• Digital Cameras

• Portable Media Players

• Portable Equipment