General Description

The RT8020E is a dual high-efficiency Pulse-WidthModulated (PWM) step-down DC/DC converter. It is capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V. The RT8020E is ideally suited for portable electronic devices that are powered by 1-cell Li-ion battery or other power sources within the range such as cellular phones, PDAs and other hand-held devices.

Features

● 2.5V to 5.5V Input Range

● 1.2V and 1.8V Fixed Output Voltage

● 1A Output Current

● 95 Efficiency

● No Schottky Diode Required

● 50μA Quiescent Current per Channel

● 1.5MHz Fixed Frequency PWM Operation

● Small 12-Lead WDFN Package

● RoHS Compliant and Halogen Free

Applications

● Digital Still Cameras

● Mobile Phones

● Personal Information Appliances

● Wireless and DSL Modems

● MP3 Players

● Portable Instruments