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NCP81258 - Synchronous Buck MOSFET Driver

Datasheet Summary

Description

Pin No.

side gate driver.

pacitor between this pin and SW.

PWM = High ³ DRVH is high, DRVL is low.

Features

  • Space.
  • efficient 2 mm x 2 mm DFN8 Thermally.
  • enhanced Package.
  • VCC Range of 4.5 V to 13.2 V.
  • Internal Bootstrap Diode.
  • 5 V 3.
  • stage PWM Input.
  • Zero Current Detect Function Provides Power Saving Operation during Light Load Conditions.
  • Bi.
  • directional Enable Feature pulls Enable Pin Low during a UVLO Fault.
  • Pre.
  • OVP Function Protects Load during HS FET Short.
  • Adaptive Anti.
  • cross Cond.

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Datasheet preview – NCP81258

Datasheet Details

Part number NCP81258
Manufacturer ON Semiconductor
File Size 210.82 KB
Description Synchronous Buck MOSFET Driver
Datasheet download datasheet NCP81258 Datasheet
Additional preview pages of the NCP81258 datasheet.

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Full PDF Text Transcription

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DATA SHEET www.onsemi.com Synchronous Buck MOSFET Driver NCP81258 The NCP81258 is a high−performance dual MOSFET gate driver in a small 2 mm x 2 mm package, optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. A zero−current detection feature allows for a high−efficiency solution even at light load conditions. VCC UVLO ensures the MOSFETs are off when supply voltages are low. A bi−directional Enable pin provides a fault signal to the controller when a UVLO fault is detected. Features • Space−efficient 2 mm x 2 mm DFN8 Thermally−enhanced Package • VCC Range of 4.5 V to 13.
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