开关电源+附件《功率因素校正手册 》

这个是安森美出的一本手册，讲的比较详细。需要学习PFC的用户可以看看哦。
功率因数校正解决方案的选择范围包括无源电路到各种有源电路。因应用的功率水平和其他参数的不同，解决方案也会有所
不同。近年来分立半导体元件的发展和更低价格的控制IC的上市，进一步拓宽了有源PFC解决方案的适用范围。在评估PFC
解决方案时，重要的是要把整个系统的实施成本和性能结合起来进行综合评估。

第一章  功率因数校正方法概述·····························································································································5
引言······························································································································································································ 5
定义······························································································································································································ 5
功率因数转换器的类型······························································································································································ 6
无源控制器·················································································································································································· 7
临界导电模式控制器·································································································································································· 8
连续导电模式控制器································································································································································ 10
平均电流模式控制器································································································································································ 11
第二章  比较有源PFC方法的方法学···················································································································18
方法的选择················································································································································································ 18
测试方法学················································································································································································ 19
比较准则···················································································································································································· 20
第三章  临界导电模式(CRM) PFC和直流-直流段····························································································21
功率因数转换器模式，传统升压法和跟随升压法的比较····································································································· 21
150W临界导电模式PFC设计实例··········································································································································· 22
结果···························································································································································································· 24
传统升压法和跟随升压法各自的优缺点································································································································24
120W直流-直流设计实例························································································································································· 26
第四章  连续导电模式(CCM) PFC ······················································································································28
150 W连续导电模式PFC设计实例·········································································································································· 28
结果···························································································································································································· 32
120W单段PFC反激设计实例··················································································································································· 33
结果···························································································································································································· 38
第五章  四种方法的详细分析和结果···················································································································39
预调节器段分析········································································································································································ 39
全功率段的分析结果································································································································································ 41
趋势图························································································································································································ 42
第六章EMI考虑事项············································································································································44
背景···························································································································································································· 44
EMI测量结果············································································································································································ 44
对CRM转换器的更改······························································································································································· 47
对CCM转换器的更改······························································································································································· 48
参考文献····································································································································································49
附录············································································································································································50
补充文档
AND8016  使用Greenline™小型功率因数控制器MC33260设计功率因数校正电路························································· 57
AND8106  100瓦通用输入PFC转换器·································································································································· 67
AND8123  在临界导电模式下运行的功率因数校正段········································································································ 73
AND8124  90瓦通用输入单段PFC转换器····························································································································· 91
AND8147  一种获得适用于分布式系统的单段PFC和步降转换的创新方法··································································· 100