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LM5118使用问题请教专家,急!

Other Parts Discussed in Thread: LM5118, DXP, LM5175

本人做了一个10-18VIN,12V4.5A和19V3.4A的双路输出DCDC,分别用两个LM5118做的DCDC。PCB布板时的热焊盘底层忘加了去阻焊层(SOLDER LAYER)。现在加电后下MOS管一直导通,输入电源保护。怎么办哟,明天得交货。我的DXP文件可以附上http://www.deyisupport.com/cfs-file.ashx/__key/communityserver-discussions-components-files/24/1030.13_2B00_19.PCB