Hi Sir,
在升压同步的架构上,若是同步的MOSFET上反会有什么影响吗?
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.
HI
当低边MOS开启时因为高边MOS反向,输出电容(电压)会通过高边MOS向低边放电。而当低边MOS关闭时,电感也就可以通过高边MOS向输出充电。
所以输出无法稳压,表现出反复充电放电。
同时高边MOS向低边放电时,高边MOS很可能烧掉。