LM3409HV 调光100%时,地线纹波有1.5V左右。调光0%时正常。
干扰到其它信号,也有纹波1.5V左右
请教一下,是哪里的问题呢!
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LM3409HV 调光100%时,地线纹波有1.5V左右。调光0%时正常。
干扰到其它信号,也有纹波1.5V左右
请教一下,是哪里的问题呢!