不使用专用集成电路的有源功率因数校正电路

摘要

In view of the development of the power factor correction technique related to the switching power supply for use with industrial instrumentation,this article presents some application circuits of active power factor correction without using special integrated circuits,and analyses the basic working principle of these application circuits.%针对工业仪器仪表中开关电源的功率因数校正技术的发展，给出了几种不使用专用集成电路的典型有源功率因数校正应用电路，分析了电路的基本工作原理。