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LM5116 3A负载启动问题

Other Parts Discussed in Thread: LM5116

Hi support!

我司项目用到了LM5116,输出电压为9V,当用电子负载仪设置负载电流为3A,上电时,不能正常输出9V,且伴随有啸叫的声音,用示波器测量HO和LO,波形也不正常。当降低负载电流,比如1A时,上电即可正常。针对这个问题,请教是什么原因,谢谢!