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NCP81258 - Synchronous Buck MOSFET Driver

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Datasheet Details

Part number NCP81258
Manufacturer onsemi
File Size 210.82 KB
Description Synchronous Buck MOSFET Driver
Datasheet download datasheet NCP81258 Datasheet

General Description

Pin No.

side gate driver.

pacitor between this pin and SW.

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

Overview

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.

Key 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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