RT8009 - Richtek

RT8009 High Efficiency PWM Step-Down DC/DC Converter

The RT8009 is a high-efficiency pulse-width-modulated (PWM) step-down DC-DC converter. Capable of delivering 600mA output current over a wide input voltage range from 2.5 to 5.5V, the RT8009 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 www.DataSheet4U.com as ce.

Features

include soft start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. Features +2.5V to +5.5V Input Range Adjustable Output From 0.5V to VIN 1.0V, 1.2V, 1.5V, 1.8V, 2.5V and 3.3V Fixed/ Adjustable Output Voltage 600mA Output Current 95% Efficiency No Schottky Diode Required 1.25MHz Fixed-Frequency PWM Operation Small SOT-23-5 and TSOT-23-5 Package RoHS Compliant and 100% Lead (Pb)-Free Applications Cellular Telephones Personal Information Appliances Wireless and DSL Modems MP3 Players Portable Instruments Ordering Information RT8009.