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您好。
如上图所示，我用UCD3138做一个移相全桥电源，UCD3138原理图如上图。
其中，8脚/11脚/13脚/21脚/22脚/23脚/24脚/25脚没有用到。
请问这些引脚该如何处理？不管它行不行？还是要经过电阻或电容接地？
谢谢。
HI 悬空即可。
