测试的结果
原理图
PCBlayout也是严格按照规格书中建议做的。
所以,帮忙分析下为什么会出现这样的结果?
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Hi
确认一下功率电感,并将SW的波形放上来看看?
电路主要的功耗在芯片和电感,如果SW波形正常,输出纹波也正常的话,建议先确认功率电感。