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Home > Wen Yuan (High School Edition) > 2021 No.05 > 基于FAN7527芯片方案的无极灯电路开发与设计

  • 基于FAN7527芯片方案的无极灯电路开发与设计

    Author(s)：

    梁潇

    Publication Title：

    Wen Yuan (High School Edition) 2021 No.05

    Affiliations：

    新疆铁道职业技术学院 新疆 哈密 839000

    Abstract：

    本文中以无极灯高频发生器的功率因数校正电路为例，采用FAN7527芯片方案进行功率因数校正，FAN7527是一种电压型功率因数校正芯片，集成了零电流检测器、锯齿波发生器、误差跨导放大器、过电压保护、过电流保护和开关驱动器等功能模块。FAN7527提供了简单的，高性能的有源功率因数校正，内置R/C滤波器使得外围电路更加简化，内置钳位电路控制误差放大器和乘法器的输出，改善了开启时电压过冲和限制电流增大的特性，同时输出驱动钳位电路限制了功率MOS管门极驱动过冲现象。具体电路可参照FAN7527的datasheet。

    Keywords：

    FAN7527；无极灯；EMC

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    [1] 梁潇.基于FAN7527芯片方案的无极灯电路开发与设计[J].Wen Yuan (High School Edition),2021(05),.

文渊(高中版)
Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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