我想驱动大功率IGBT,让大功率工作在线性区,不是开关状态,也就是通过门极电压控制流过IGBT的电流。这样就要就电压稳一下,之前用THS4281试了一下,输出有二三十毫伏的纹波,结果电流就发生振荡,IGBT电流一抖动,驱动电压纹波又变大了。所以我想用OPA541试试,但是看了看手册里面没提到它的输出纹波水平。
或者哪位高手有更好的方案给推荐一下,感激不尽!
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.
好的,谢谢,这个延时是不是应该在us级别? 用OPA541驱动可以吗?怎么做能做到纹波波动最小?