General Description

The RT8075 is a high efficiency Pulse-Width-Modulated (PWM) dual step-down DC/DC converter. Capable of delivering up to 1A output current over a wide input voltage range from 2.5V to 5.5V, the RT8075 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs, PC WLAN card and hand-held devices.

Features

2.5V to 5.5V Input Range

1A Output Current

1.25MHz Fixed Frequency PWM Operation

95% Efficiency

No Schottky Diode Required

0.6V Reference Allows Low Output Voltage

Low Dropout Operation : 100% Duty Cycle

Small 10-Lead WDFN Package

RoHS Compliant and Halogen Free

Applications

Portable Instruments

Microprocessors and DSP Core Supplies

Cellular Phones

Wireless and DSL Modems

PC Cards