VR12.5 降压 MOSFET 驱动器

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NCP81146 是一款高性能双 MOSFET 门极驱动器,适用于驱动同步降压转换器中高压侧和低压侧功率 MOSFET 的门极。它可驱动高达 3 nF 的负载,传播延迟 25 ns,转换时间 20 ns。自适应防交叉导通和节电运行电路可为笔记本电脑和台式机系统提供低开关损耗和高能效方案。在 OVP 下检测到门极驱动器故障、发生 UVLO 时,双向 EN 引脚能够向控制器提供故障信号。另外,当电源电压低时,欠压锁定功能保证了输出为低电平。

  • 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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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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