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LM5012: LM5012 输出纹波过大

Part Number: LM5012

  1. LM5012  48V输入,24V输出,无论负载电流多大,输出纹波都有400mV以上
  2. 原理图11.png
  3. PCB 图纸12.png13.png
  4. 输出纹波如下分别为1.6A负载和0.6A负载时纹波14.png15.png
  5. 测量方式如下图16.png
  6. 期待您的回复!