RT9903B - 4 Channel DC/DC Converters IC

Product Overview

Richtek Technology Corporation

Part number	RT9903B
Manufacturer	Richtek Technology Corporation
File Size	456.99 KB
Description	4 Channel DC/DC Converters IC
Datasheet	RT9903B Datasheet
Additional preview pages of the RT9903B datasheet.

The RT9903B is a complete power-supply solution for digital still cameras and other hand-held devices.

It integrates a high-efficiency fours step-up DC-DC converters and a charge pump.

z Two step-up DC-DC Converters (CH1, CH2) `HV Internal Switches `50mA Load Current One Step-up DC-DC Converter (CH3) `0.2V Reference Voltage `HV Internal Switches `LED Brightness Dimming Control `Over Voltage Protection One Step-up DC-DC Converter (CH4) `External Switches `External Current Limit Setting Up to 1.4MHz Switching Frequency 1μA Supply Current in Shutdown Mode External Compensation Network for All Converters Programmable Soft Start Function (CH1, CH2, CH3, CH4) Independent Enable Pin.

Other Datasheets by Richtek Technology Corporation

Published: Jul 30, 2008 |