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Charge Pump Controller with Automatic Mode Transition

RT9397BF

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The RT9397BF is a highly integrated step-up charge pump and inverting charge pump to generate positive and negative output voltage. The output voltages can be adjusted from ±4.5V to ±6V through external feedback resistors.

The part maintains highest efficiency by utilizing a x1.33/x1.5/x1.75/x2 mode fractional charge pump with automatic mode transition.

The RT9397BF is available in a WQFN-20L 3x3 package to achieve optimized solution for PCB space.

Applications

Datasheet
TitleLast UpdateShareDownload
Charge Pump Controller with Automatic Mode Transition2019/04/10
Technical Documents
TitleLast UpdateShareDownload
Richtek Selection Guide [Oct., 2020]2020/12/28
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