MOSFET Driver, VR12 Compatible, Synchronous Buck

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Overview

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 UVLOensures 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.

  • Vcore Power Subsystems
  • Notebook Computers
  • Desktop Computers
  • Fast rise and fall times
  • Adaptive anti-cross-conduction circuit
  • Pre-Overvoltage function

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Vin Max (V)

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Turn On Prop. Delay Typ (ns)

Turn Off Prop. Delay Typ (ns)

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Reference Price

NCP81258MNTBG

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Active

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

MOSFET

2

Half-Bridge

Junction Isolation

35

15

16

11

-

-

-

-

-

$0.1384

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