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RT9628A - High Voltage Synchronous Rectified Triple Channel Buck MOSFET Driver

Description

The RT9628A is a high frequency, triple Channel driver specifically designed to drive two power N-MOSFETs in each channel of a synchronous-rectified Buck converter topology.

It is especially suited for mobile computing applications that require high efficiency and excellent thermal performance.

Features

  • Triple Channel Driver.
  • Each Channel Drives Two N-MOSFETs.
  • Adaptive Shoot-Through Protection.
  • 0.5Ω On-Resistance, 4A Sink Current Capability.
  • Supports High Switching Frequency.
  • Tri-State PWM Input for Power Stage Shutdown.
  • Output Disable Function.
  • Integrated Boost Switch.
  • Low Bias Supply Current.
  • VCC POR Feature Integrated.

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Datasheet Details

Part number RT9628A
Manufacturer Richtek
File Size 175.67 KB
Description High Voltage Synchronous Rectified Triple Channel Buck MOSFET Driver
Datasheet download datasheet RT9628A Datasheet

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Full PDF Text Transcription

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® RT9628A High Voltage Synchronous Rectified Triple Channel Buck MOSFET Driver for Notebook Computer General Description The RT9628A is a high frequency, triple Channel driver specifically designed to drive two power N-MOSFETs in each channel of a synchronous-rectified Buck converter topology. It is especially suited for mobile computing applications that require high efficiency and excellent thermal performance. This driver, combined with Richtek's series of multi-phase Buck PWM controllers, provides a complete core voltage regulator solution for advanced microprocessors. The drivers are capable of driving a 3nF load with fast rising/falling time and fast propagation delay. This device implements bootstrapping on the upper gates with only a single external capacitor.
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