反激式开关电源及线路板设计  

Design of Flyback Switching Power and Printed Circuit Board

作　　者：张志宝[1] 许文专[1] 张怡[1] 

机构地区：[1]江苏斯菲尔电气股份有限公司,江苏江阴214429

出　　处：《电源技术应用》2011年第4期43-45,共3页Power Supply Technologles and Applications

摘　　要：文中分析了反激式开关电源的工作原理和设计步骤;并采用TinySwitch-Ⅲ系列电源芯片设计一款反激式开关电源;同时介绍高频变压器的绕制及电气性能测试;最后对反激式开关电源PCB布局要点进行介绍。A procedure of designing switching power is presented. It is based on the analysis of flyback switching power work principle and the use of TinySwitch-III. The high frequency transformer design and electrical measurement are shown. At last, the PCB layout of flyback switching power is proposed. In the paper, an example is given and the results are confirmed by experimental measurements.

关 键 词：开关电源 高频变压器 PCB布局 

分 类 号：TN86[电子电信—信息与通信工程]