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RT9758D - High Voltage Cap Divider Converter

Datasheet Summary

Description

The RT9758D is a high efficiency switching capacitor converter for input >7.4V application.

The efficiency is up to 98.1% when VOUT = 10V, IOUT = 2A, switching frequency = 500kHz, dual phase with VBUS input in cap divider mode.

Features

  • Integrated Bidirectional Bypass Mode and Cap Divider Mode (DIV2 Mode).
  • Input Reverse Blocking NFET between WRX_IN Pin and VBUS Pin.
  • Block the Reverse Current.
  • Dual-Phase Charge Pump Core.
  • 6A Output Current Ability with DIV2 Mode and 5A with Bypass Mode.
  • Efficiency Up to 98.1% when VOUT = 10V, IOUT = 2A, Switching Frequency = 500kHz and Dual Phase with VBUS Input in DIV2 Mode.
  • 300kHz to 1.5MHz Variable Switching Frequency Stay Out of Audio Band.
  • Spread Spe.

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Datasheet preview – RT9758D

Datasheet Details

Part number RT9758D
Manufacturer Richtek
File Size 1.76 MB
Description High Voltage Cap Divider Converter
Datasheet download datasheet RT9758D Datasheet
Additional preview pages of the RT9758D datasheet.

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Full PDF Text Transcription

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RT9758D High Voltage Cap Divider Converter with Bypass Function 1 General Description The RT9758D is a high efficiency switching capacitor converter for input >7.4V application. The efficiency is up to 98.1% when VOUT = 10V, IOUT = 2A, switching frequency = 500kHz, dual phase with VBUS input in cap divider mode. The device integrates two phase switching capacitor topology (DIV2 mode), bypass mode, an input reverse blocking MOS and 9-way protections. The default operation mode of the device is DIV2 mode. User can use I2C to select the device operating in bypass mode or reverse DIV2 mode or reverse bypass mode. The maximum output current is 6A with DIV2 mode or 5A with bypass mode. In present mode (̅E̅̅N̅ = H), the host can still issue commands by the I2C serial interface.
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