RT9902 4 Channel DC/DC Converters IC

Richtek Technology Corporation

Description

Preliminary RT9902 4 Channel DC/DC Converters IC with High-Efficiency Step-Up and Step-Down General .
The RT9902 is a complete power supply solution for digital still cameras and other hand-held devices.

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Datasheet Specifications

Part number: RT9902
Manufacturer: Richtek Technology Corporation
File Size: 561.46 KB
Datasheet: RT9902_RichtekTechnologyCorporation.pdf
Description: 4 Channel DC/DC Converters IC

Features

* z z z z z z z z z z z z z z 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

Applications

* that use either two or three AA cells or a single lithiumion battery. The main step-up DC-DC converter accepts inputs from 1.5V to 5.5V and build in 2.6A Internal switch. The two step-down DC-DC converters (CH2, CH3) accept inputs from 1.5V to 5.5V and regulate a resistor adjustable output from 0.8V

RT9902 Distributors

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RT9902 Channel Converters Richtek Technology Corporation

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