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PH：The source of the internal high-side power MOSFET.
我的翻译是：内部高边功率MOSFET的源极。我的翻译和理解对吗
你好，
你的理解是对的，这个引脚外面一定接的是电感，内部是上侧开关管的源极，若是同步buck或boost，内部也连接下侧开关管的漏极。
也有的芯片这个脚叫做SW。
