TPS62220DDCTG4

TEXAS INSTRUMENTS  TPS62220DDCTG4  直流-直流-开关同步降压稳压器, 可调, 2.5V-6V输入, 700mV-6V/400mA输出, TSOT-23-5

DESCRIPON

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