VR12.5 Buck MOSFET Driver

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Overview

The NCP81146 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 3nF load with a 25ns propagation delay and 20ns transition time.Adaptive anti-cross-conduction and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook and desktop systems.Bidirectional EN pin can provide a fault signal to controller when the gate driver fault detect under OVP, UVLO occur. Also, an under-voltage lockout function guarantees the outputs are low when supply voltage is low

  • Industrial based power applications
  • Faster rise and fall times
  • Adaptive anti-cross-conduction circuit
  • Integrated bootstrap diode
  • Pre OV function
  • ZCD detect
  • Floating top driver accommodates boost voltages of up to 35V
  • Output disable control turns off both MOSFETs
  • Under-voltage lockout
  • Power saving operation under light load conditions

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NCP81146MNTBG

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Active

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

MOSFET

2

Half-Bridge

Junction Isolation

-

13.2

16

11

-

-

-

-

-

$0.2053

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