Datasheet Details
| Part number | RT9917 |
|---|---|
| Manufacturer | Richtek Technology Corporation |
| File Size | 654.71 KB |
| Description | 7 Channel DC/DC Converters |
| Datasheet |
 RT9917 Datasheet
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General Description
The RT9917 is a complete power-supply solution for digital still cameras and other hand-held devices.
It integrates : CH1 : Boost DC-DC converter with load disconnect controller (SW1).
CH2 : Selectable Boost/Buck DC-DC converter CH3 : Step-down DC-DC converter with internal compensation.
Key Features
- z z z z 1 Channel Boost/Buck Selectable by SEL Pin 2 Selectable On/Off Sequence Set by SEQ Pin 4 Channels with Internal Compensation Provide Charge Pump Voltage to Enhance NMOS Gate Driving Capability for Alkaline Battery Input All Power Switches Integrated Syn Step-Down DC/DC Converter ` Up to 95% Efficiency ` 100% (MAX) Duty Cycle Syn Step-Up DC/DC Converter ` Adjustable Output Voltage ` Up to 95% Efficiency Open LED Protection Transformerless Inverting Converter for CCD Fixed 1MHz Switching.