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UCD7231 - Digital Control Compatible Synchronous-Buck Gate Driver

General Description

The UCD7231 high current driver is specifically designed for digitally-controlled, point-of-load, synchronous buck switching power supplies.

Key Features

  • 1.
  • Dual High Current Drivers.
  • Full Compatibility with TI Fusion Digital Power Supply Controllers, such as UCD91xx and UCD92xx Families.
  • Operational to 2 MHz Switching Frequency.
  • High-Side FET and Output Current Limit Protection with Independently Adjustable Thresholds.
  • Fast High-Side Over-Current Sense Circuit with Fault Flag Output.
  • Prevents Catastrophic Current Levels on a Cycle by Cycle Basis.
  • Differential High-Gain Current Sense.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UCD7231 www.ti.com SLUS997 – NOVEMBER 2009 – REVISED JANUARY 2010 Digital Control Compatible Synchronous-Buck Gate Driver With Current Sense and Fault Protection Check for Samples: UCD7231 FEATURES 1 • Dual High Current Drivers. • Full Compatibility with TI Fusion Digital Power Supply Controllers, such as UCD91xx and UCD92xx Families • Operational to 2 MHz Switching Frequency • High-Side FET and Output Current Limit Protection with Independently Adjustable Thresholds • Fast High-Side Over-Current Sense Circuit with Fault Flag Output – Prevents Catastrophic Current Levels on a Cycle by Cycle Basis • Differential High-Gain Current Sense Amplifier • Voltage Proportional to Load Current Monitor Output • Wide Input Voltage Range: 4.7 V to 15 V Operation to 2.