This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好，我在采用UCC256601芯片设计电源时，输入电压270V~500V直流电压，现在给定320V左右直流电压，上电后芯片不启动，麻烦帮忙看一下问题出在什么地方，附件是我的原理图。谢谢。
您好
已经收到了您的案例，调查需要些时间，感谢您的耐心等待
UCC25660页面上有WEBENCH® Designer UCC25660工具，可以对比参考下生成的回路图和bom表：
www.ti.com.cn/.../UCC25660
