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RT9903 - 5 Channel DC/DC Converters IC

Description

The RT9903 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.

Features

  • 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.

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Datasheet Details

Part number RT9903
Manufacturer Richtek Technology Corporation
File Size 482.60 KB
Description 5 Channel DC/DC Converters IC
Datasheet download datasheet RT9903 Datasheet

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Other Datasheets by Richtek Technology Corporation

Part Number Description
RT9903B 4 Channel DC/DC Converters IC
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Full PDF Text Transcription

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Preliminary RT9903 5 Channel DC/DC Converters IC with High-Efficiency Step-Up General Description The RT9903 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. www.DataSheet4U.com Features 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.
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