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Flyback converter ........... problem

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download_crux

download_crux

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hi

i need some information

a DC-DC flyback converter details

1) EE25/13 core
2) input minimum voltage is 40Vdc
3) Input maximum voltage is 90Vdc
4) max Power out is 21W
5) primary turns is 25
6) IRFP450 mosfet is used ( VDS=500V Id=14A)
7) input capacitor voltage is 160Vdc

if the input voltage is increase to 135Vdc what happened??????????

the power supply works continues (240Hours) with out problem........?


Pls any one give the reply
 

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