一款单级buck型功率因数校正控制器的设计

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1、目录第一章绪论.............................................................................................................11.1功率因数校正的意义···························································11.2功率因数··········································································31.3PFC技术的发展趋势··········

2、·················································41.4论文主要工作与章节安排·····················································6第二章功率因数校正技术概述.............................................................................72.1两级PFC和单级PFC··························································72.2变换器拓扑结构··

3、································································82.3PFC电路的实现方法···························································92.4本文电路工作原理····························································16第三章PFC芯片的系统设计方案....................................................................

4、...213.1PFC芯片功能和性能的设计要求···········································213.2PFC芯片的总体设计要求····················································233.3芯片工作原理及模块划分···················································28第四章芯片模块电路设计...............................................................................

5、....314.1基准电压电路··································································314.2欠压锁存电路··································································344.3误差放大器电路·······························································354.4过流保护电路··················································

6、················384.5谷值检测电路··································································404.6过压保护电路··································································444.7PWM比较电路································································454.8逻辑控制电路·····································

7、·····························464.9驱动控制电路··································································47第五章模块仿真及典型应用仿真.......................................................................495.1模块仿真··································