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LM2853做为电源芯片,输出的频率变高后电感啸叫



如上图的LM2853-3.3,为3个AD9852ASTZ供电,当AD9852ASTZ的输出波形频率变高后电感发生啸叫,大概在1KHz左右,低于800Hz基本没有啸叫,试过将L1的电感Isat升高都没有效果,求助解决办法