UCC28070,输入180-264V,调试测试输出405V,带0.07A以上,电感就开始哒吱哒吱响,如同继电器在反复断开断开声音,电感有浸油,请电路和PCB及电感资料帮忙分析
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HI
是要确认电感(变压器)的功率是否足够(足够大的饱和电流)。
另外确认一下环路。