Secondary Side Controllers | NCP81178

辅助同步整流驱动器，用于正向转换器

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概览

NCP81178 是一款辅助侧同步整流驱动器，适用于隔离式电源转换器，尤其是有源箝位正向或反激和不对称半桥转换器。NCP81178 以互补形式驱动辅助侧的两个 N 沟道 MOSFET。它接受可从二次绕组或主电源变压器的辅助绕组产生的一个 PWM 信号。它还可从经由脉冲变压器的初级侧控制器或其他隔离器获取一个 PWM。

  • Isolated DC/DC power
  • servers silver box supplies
  • 48V server, telecom and datacom
  • servers
  • datacom
  • isolated bricks
  • N-channel synchronous rectifier MOSFET driver
  • Primary shutdown detection
  • Internally generated PWM threshold voltage with external programmability
  • 4.5A/3.8A sink and 3A source capability
  • 3mm by 3mm DFN package

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NCP81178MNTXG

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CAD Model

Pb

A

H

P

DFN-10

506CL

1

260

REEL

3000

N

14

1.25

0.03

-40

125

$1.0

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