RT9903 Datasheet 5 Channel DC/dc Converters Ic

Manufacturer: Richtek Technology Corporation

Overview: Preliminary RT9903 5 Channel DC/DC Converters IC with High-Efficiency.

Datasheet Details

Part number	RT9903
Manufacturer	Richtek Technology Corporation
File Size	482.60 KB
Description	5 Channel DC/DC Converters IC
Datasheet	RT9903_RichtekTechnologyCorporation.pdf

The RT9903 is a plete 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 Step-up Charge Pump (CH5) for CCD Negative Voltage `HV Internal Switches Up to 1.4MHz Switching Frequency 1μA Supply Current in Shutdown Mode External Compensation Network for All Converters Pro.

Part Number	Description
RT9903B	4 Channel DC/DC Converters IC
RT9901	4 Channel DC/DC Converters IC
RT9902	4 Channel DC/DC Converters IC
RT9907	3-Channel DC/DC Converters
RT9911	6 Channel DC/DC Converters
RT9917	7 Channel DC/DC Converters
RT9921	Integrated Multi-Channel DC-DC Converter
RT9941	Power Management ICs
RT9945	Power Management ICs
RT9953	41 CH Power Management IC