高频开关电源的EMC设计  

EMC Design of High Frequency Switching-mode Power Supply

作　　者：方清城[1] 李先祥[1] 

机构地区：[1]佛山科学技术学院,广东佛山528200

出　　处：《现代电子技术》2009年第8期170-172,共3页Modern Electronics Technique

基　　金：广东省自然科学基金资助项目(06029437)

摘　　要：阐述高频开关电源主电路的组成,针对高频开关电源的工作特点,从开关电源中的各组成部分出发,探讨开关电源电路、印制电路板的EMC设计及屏蔽等电磁干扰抑制的方法。通过这些方法的实施,确保高频开关电源满足电磁兼容标准的要求。Composition of the high frequency switching - mode power supply is stated. Considering the characteristics of the high frequency switching- mode power supply, from each parts in the high frequency switching- mode power supply, the discussion stresses on the design of the high frequency switching- mode power supply circuit EMC, printed circuit board EMC of power supply,as well as the EMI suppression methods such as shielding and so on. By taking these measures, the high frequency switching - mode power supply is ensured to meet the requirements of EMC.

关 键 词：电磁兼容 电磁干扰 抑制措施 高频开关电源 印制电路板 

分 类 号：TN710[电子电信—电路与系统]