Power Factor Controllers | NCP1632

临界导通模式（CrM）功率因数控制器，交错式

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概览

NCP1632集成了一个双MOSFET驱动器，用于交错式PFC应用。交错式由并行的两个较小功率PFC级来替代单个的、更难设计的较大功率PFC级。此方式具备若干优点，比如实施简单、能够使用更小组件、散热性能更优。 另外，交错结构还可以扩展到高能效且经济高效（无需低trr二极管）的临界导通模式的功率范围。此外，NCP1632驱动器以180°的相移交替工作，大大减少电流纹波。采用SOIC16封装，结合了构建强固紧凑的交错式 PFC 级所需的所有功能，所需外部组件数量极少。

  • 所有需要功率因数校正的离线设备
  • SMPS
  • 平板电视
  • 计算机电源
  • LCD电视
  • 主机电源，网络电源
  • 180°相移工作
  • 频率钳位临界导通模式 （FCCrM）运行
  • 低功率时的频率折返
  • 集成过流保护、过压保护、欠压锁定和掉电保护等功能

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CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

PFC Mode

Frequency Operation

Control Mode

Topology

fSW Typ (kHz)

VCC Max (V)

Drive Cap. (mA)

UVLO (V)

Latch

UVP

Inhibition

Reference Price

NCP1632DR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

Y

CRM

Variable

Voltage Mode

Step-Up

Up to 500

20

500 / 500

9.5 - 12

Yes

Yes

-

$0.6958

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