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关于TPS65218电源管理芯片问题

Other Parts Discussed in Thread: TPS65218

想请教一下关于TPS65218电源管理芯片的问题,L5,L6输出的电压异常。是什么原因。

有的单板只能够正常的输出电压,但是电感在啸叫。是什么原因导致的?