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RT9903B 4 Channel DC/DC Converters IC

RT9903B Description

Preliminary RT9903B 4 Channel DC/DC Converters IC with High-Efficiency Step-Up General .
The RT9903B is a complete power-supply solution for digital still cameras and other hand-held devices.

RT9903B 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 Se

RT9903B Applications

* z z z Digital Still Camera PDAs Portable Device z z Pin Configurations (TOP VIEW) COMP2 AGND COMP1 19 18 17 16 Ordering Information RT9903B Package Type QV : VQFN-24L 4x4 (V-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commercial Standard) N

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Channel Converters Richtek Technology Corporation
Richtek Technology Corporation RT9903B-like datasheet