原理图和pcb如上输入4-40V输出12V,空载上电后在带载可以正常使用,直接带载上电看电流似乎触发了过流保护。
供电端使用可调电源,负载为电子负载,电感饱和电流为22A
麻烦帮忙提供一些建议,我进行测试排查
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