General Description

The RT8020 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 RT8020 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and other handheld devices.

Features

● +2.5V to +5.5V Input Range

● Adjustable Output From 0.6V to VIN

● 1.2V, 1.3V, 1.8V, 2.5V and 3.3V Fixed/ Adjustable Output Voltage

● 1A Output Current

● 95Efficiency

● No Schottky Diode Required

● 50uA Quiescent Current per Channel

● 1.5MHz Fixed-Frequency PWM Operation

● Small 12-Lead WDFN Package

● RoHS Compliant and 100 Lead (Pb)-Free

Applications

● Mobile Phones

● Personal InformationAppliances

● Wireless and DSL Modems

● MP3 Players

● Portable Instruments