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PTH12040单板上应用有些问题，有很大的纹波。想看一下模块芯片的资料。
我指21-00074这个芯片.
你好，是UCC27223吗？http://www.ti.com.cn/product/cn/UCC27223?keyMatch=27223&tisearch=Search-CN
不是指这个片子，下面一下片子。
你好，http://www.ti.com/product/PTH12040W?keyMatch=PTH12040&tisearch=Search-EN
