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采用LM5145进行48V转24V,5A。输出的24V正常，电感选型是22uH/5A,但是电感发热特别严重，而且有“吱吱”响声，不知道怎么引起的？？？
测试一下关键点的波形，看是不是环路设计不合理，震荡了。
