Datasheet Details
| Part number | RT9907 |
|---|---|
| Manufacturer | Richtek Technology Corporation |
| File Size | 440.64 KB |
| Description | 3-Channel DC/DC Converters |
| Datasheet |
 RT9907 Datasheet
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Description
The RT9907 is a three channel power-supply solution for digital still cameras and other battery-powered devices.
It integrates an asynchronous step-up and two synchronous step-down DC-DC converters.
The RT9907 is targeted for applications that use two AA cells or a single lithium-ion battery.
Features
- 1.5V to 5.5V Battery Input Voltage Range.
- Main step-up DC-DC Converter 1.5V to 5.5V Adjustable Output Voltage Up to 90% Efficiency 2.6A, 0.3Ω Internal Power Switch.
- Two Step-Down DC-DC Converters 0.8V to 5.5V Adjustable Output Voltage 94% Efficiency 100% Duty Cycle.
- Up to 1.4MHz Switching Frequency.
- 1μA Supply Current in Shutdown Mode.
- Programmable Soft Start Function.
- Independent Enable Pin (CH1, CH2, CH3).
- External Compensation Network (CH1,.