This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UCC28950 SS PIN的电压在什么情况下会上升到5.3V?SS PIN并没有接其他电路



我做短路保护时,cycle by cycle limit开始工作,此时SS电压下降大概0.2v;然后我的恒流环开始工作,占空比一直减小知道为零,但这个阶段SS的电压逐渐上升到5.3V,请问可能是什么原因?