Datasheet Details
| Part number | RT9903 |
|---|---|
| Manufacturer | Richtek Technology Corporation |
| File Size | 482.60 KB |
| Description | 5 Channel DC/DC Converters IC |
| Datasheet |
 RT9903 Datasheet
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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.
Key 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.