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如图中的光耦,CTR是80%-160%;R27是怎么算出来的,取中间值吗?
HI
希望附件能帮到你:8168.Opto Isolator Desgin for a flyback actual.pptx
我没仔细看,这个基准不是2.5V的,是1.25V的,所以输出分压需要得到1.25V.
Hi,
I still don't understand the change in IF;Does IF change from 1 mA to IFmax?