一种多输出开关电源的设计  

The Design of A Multiplex Output of Pulse Switch Power

作　　者：续明进[1] 

机构地区：[1]北京印刷学院,北京102600

出　　处：《北京印刷学院学报》2009年第4期48-50,61,共4页Journal of Beijing Institute of Graphic Communication

基　　金：北京市教委资助项目(KM200910015012)

摘　　要：介绍了一种以智能控制芯片TOP250Y的反激式开关电源,进行了整体的电路设计,并对外围输入输出整流滤波电路、高频变压器、控制电路、反馈电路等部分的设计进行了分析和说明。作为一种无刷直流永磁电动机驱动器的配套电源,测试结果与分析表明,此电源具有结构简单、效率高、成本低等优点,达到了设计要求。A fly-back pulse switch power supply based on TOP250Y is introduced in the paper, the whole circuit of system is designed. The system consists of the input and output rectifier-fiher circuit, the high frequency transformer, the control circuit and the feedback circuit. The design of the whole circuit and each part are analyzed. The power supply is used to the BLDCM drive circuit, the experiment results verify, the power supply has the merits of simple structure, high efficiency,low cost, and the expected effect is attained.

关 键 词：开关电源 高频变压器 无刷直流永磁电动机 PWM 

分 类 号：TN86[电子电信—信息与通信工程]