1-2:55T,0.3mm3-4:45T,0.3mm*6Checkyourtrunsof1-2:55T,and3-4:45T.  Somethingwrongwithit.  Ifyoucanoperatewith65%,1-2;45T,3-4:55Tispossible.  RCDnetworkresultsinpowerloss.  Itisnotagoodtopology.  TryLosslesssnuber.

Reason:dutycycleistoolarge,coreissaturationandMOSFETdamages.1.change3845(D<50%)insteadof3842(d>50%).and2.1-2turnsshouldbeequalto3-4formaximumdutycycle=0.5.3.ifregulationcannotachieved,changetheturnsratiooftransformer.

Youcanoperatewithalowerswitchingfrequencywithnoloadcondition.&nbsp;&nbsp;Itwillreducetheswitchingloss.&nbsp;&nbsp;Someonehasdoneinthisway.CheckthelowerMOSFETtemparaturemodule,findoutthetimingRandCsubcircuitinitscontrolcircuit.&nbsp;&nbsp;Pleasepostitifyouhavesomeresults.

Couldyoupleaseemailmeyour1067263946.doc?MyEmail:cleu39@gmail.comThankyousomuch.Bytheway,Iwanttojoinasamember.

short,useitasacurrentprobe.&nbsp;&nbsp;WhenyouopenCosmosScope,checkSHORTxtoinvestigatethecurrentwaveform.

您好！能给我发个crack文件吗？谢谢。cleu39@gmail.com

SABER2004能传一份给我吗？谢谢！！！