久久久国产精品视频袁燕,99re久久精品国产,亚洲欧美日韩国产综合v,天天躁夜夜躁狠狠久久,激情五月婷婷激情五月婷婷

請(qǐng)?zhí)峁﹎osfet過(guò)熱時(shí)的信息:DCM還是CCM.1.如果是CCM,可能是diode反向恢復(fù)電流過(guò)大.2.如果是DCM,可能是mosfet關(guān)斷時(shí)正當(dāng)電壓過(guò)高.

Thelossonmosfetincludesconductionloss,switching-onloss,Cossloss@switching-onanddrivingloss.Ucancalculatethelossdistribution,thenthethermalissuecausedbylossisknown.