1.25MHz, 600mA, High Efficiency PWM Step-Down DC-DC Converter
General Description
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 as cellular phones, PDAs and handy-terminals.
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