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