根据TI手册是写的，只需要更改FB引脚的电阻比值就可以输出12V电压，那power good 引脚应该接在输入端还是怎么处理？芯片手册并没有给出具体的电路，我参照了前人的设计，发现有些是接在输入上的，有些是悬空的，请问到底该如何处理？
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