摘要
设计了一种基于TOP226Y实现的反激式双路开关电源,对其核心元件TOP226Y的内部结构及工作原理予以阐述,确定了系统的硬件结构图,并对外围电路元件参数进行了计算及选择,通过实验测试,结果表明,该电源具有效率高、输出电压稳定,性能优良,适于仪器仪表的控制用电。
A fly -back switching power supply based on Top226Y is presented. Its functional block diagram and principle are analyzed. A system with the two output circuit 20V/1A and 15V/1A was designed, According to the design requirements, the system hardware and deign calculation of the values of the parameters were given. At last the system output was analyzed and the result makes its voltage stable and accurate high.
出处
《陕西理工学院学报（自然科学版）》
2008年第2期18-21,共4页
Journal of Shananxi University of Technology:Natural Science Edition
关键词
开关电源
反激式
高频变压器
switch power
fly- back
high frequency transformer
