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RT9629B - Triple-Channel Synchronous Rectified Buck MOSFET Driver

Description

The RT9629B is a high frequency, triple-channel synchronous rectified buck MOSFET driver specifically designed to drive six power N-MOSFETs.

The part is promoted to pair with Richtek's multiphase buck PWM controller family for high-density power supply implementation.

Features

  • Drive Six N-MOSFETs for 3-Phase Buck PWM Control.
  • Shoot Through Protection.
  • Embedded Bootstrap Diode.
  • Support High Switching Frequency.
  • Fast Output Rising Time.
  • Tri-State PWM Input for Output Shutdown.
  • Small 24-Lead WQFN Package.
  • RoHS Compliant and Halogen Free.

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Datasheet Details

Part number RT9629B
Manufacturer Richtek
File Size 185.58 KB
Description Triple-Channel Synchronous Rectified Buck MOSFET Driver
Datasheet download datasheet RT9629B Datasheet

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Full PDF Text Transcription

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® RT9629B Triple-Channel Synchronous Rectified Buck MOSFET Driver General Description The RT9629B is a high frequency, triple-channel synchronous rectified buck MOSFET driver specifically designed to drive six power N-MOSFETs. The part is promoted to pair with Richtek's multiphase buck PWM controller family for high-density power supply implementation. The output drivers of RT9629B can efficiently switch power MOSFETs at frequency 300kHz typically. Operating in higher frequency should consider the thermal dissipation carefully. The device implements bootstrapping on the upper gate with only an external capacitor and a diode required. This reduces circuit complexity and allows the use of higher performance, cost effective N-MOSFETs.
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