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NCP81151B - VR12.5 Compatible Synchronous Buck MOSFET Driver

Description

Pin No.

Floating bootstrap supply pin for high side gate driver.

Connect the bootstrap capacitor between this pin and the SW pin.

Features

  • Faster Rise and Fall Times.
  • Adaptive Anti.
  • Cross.
  • Conduction Circuit.
  • Zero Cross Detection function.
  • Output Disable Control Turns Off Both MOSFETs.
  • Undervoltage Lockout.
  • Power Saving Operation Under Light Load Conditions.
  • Direct Interface to NCP6131 and Other Compatible PWM Controllers.
  • Thermally Enhanced Package.
  • These Devices are Pb.
  • Free, Halogen Free/BFR Free and are RoHS Compliant Typical.

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Datasheet Details

Part number NCP81151B
Manufacturer onsemi
File Size 83.66 KB
Description VR12.5 Compatible Synchronous Buck MOSFET Driver
Datasheet download datasheet NCP81151B Datasheet

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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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NCP81151B VR12.5 Compatible Synchronous Buck MOSFET Driver The NCP81151B is a high performance dual MOSFET gate driver optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. It can drive up to 3 nF load with a 25 ns propagation delay and 20 ns transition time. Adaptive anti−cross−conduction and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook systems. The UVLO function guarantees the outputs are low when the supply voltage is low.
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