基于L4981B的APFC电路设计性能优化  

Performance Optimization of APFC Circuit Design Based on L4981B

作　　者：邵明双[1,2] 金志斌[2] 杨喜军[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200030 [2]天祥集团,上海200233

出　　处：《现代电子技术》2009年第2期4-7,共4页Modern Electronics Technique

摘　　要：通过对基于L4981B设计的有源功率因数校正控制器在实际生产中出现的诸多问题的分析和研究,找出了这些问题的有效解决办法,从而对已有的设计进行了性能上的优化和完善,使它的应用范围得以扩展,性价比得到提高,能够满足在各种不同负载情况下的使用,并易于在大规模生产中得到推广和应用,同时这对于采用其他芯片设计的有源功率因数校正电路的性能改善也有一定的指导和借鉴作用。Through the analysis and research towards many problems arising in the actual production for APFC designed basing on L4981B, the effective solution for these problems is founded and therefore the existing design in its performance is optimized and completed, making its application scope to expand, the performance to price ratio obtains the enhancement, it can be used in each kind of different load situation,easy to be popularized and applied in mass production, which to some extent also guide and can be used for reference to optimize the performance of APFC circuit designed adopting other chips.

关 键 词：L4981B 稳定性 电磁兼容 电路保护 性价比 可靠性 

分 类 号：TM714[电气工程—电力系统及自动化] TN70[电子电信—电路与系统]