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Description

Designed for use in battery-powered applications, the FAN2001/FAN2002 is a high-efficiency, low-noise synchronous PWM current mode and Pulse Skip (Power Save) mode DC-DC converter. It can provide up to 1A of output current over a wide input range from 2.5V to 5.5V. The output voltage can be externally adjusted over a wide range of 0.8V to 5.5V by means of an external voltage divider.

Features

■ 96 Efficiency, Synchronous Operation

■ Adjustable Output Voltage Options from 0.8V to VIN

■ 2.5V to 5.5V Input Voltage Range

■ Up to 1A Output Current

■ Fixed Frequency 1.3MHz PWM Operation

■ High Efficiency Power Save Mode

■ 100 Duty Cycle Low Dropout Operation

■ Soft Start

■ Output Over-Voltage Protection

■ Dynamic Output Voltage Positioning

■ 25μA Quiescent Current

■ Thermal Shutdown and Short Circuit Protection

■ Pb-Free 3x3mm 6-Lead MLP Package

Applications

■ Pocket PCs, PDAs

■ Cell Phones

■ Battery-Powered Portable Devices

■ Digital Cameras

■ Hard Disk Drives

■ Set-Top-Boxes

■ Point-of-Load Power

■ Notebook Computers

■ Communications Equipment