Povecavanjem voltaze krsis maticnu plocu i sam procesor. Grije se previse i fetovi ti rade losije nego u normalnim uvjetima...a ako se previse zgriju, pocne se lem taliti
Gle, kod mosfeta ti je bitan Drain Current iliti struja draina, a ona pada s temperaturom. Evo, gledam karakteristiku za jedan koji mi koristimo, na 25°C moze dat struju od 50A, na 75°C je vec na 40...znaci, 20% pusiona...pa ¸da bi to radio, prvo moras provjeriti Datasheetove samih mosfeta, a tek onda kuriti do jaja...
Citiraj:
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However, faster processors take up a lot more power and the voltage regulator has to keep up with the demand. With the maximum thermal output of new processors like the Intel Pentium 4 Extreme Edition at 93.9W and the AMD Athlon 64 at 84.7W, the MOSFETs will be under much greater stress.
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http://www.techarp.com/showarticle.aspx?artno=71&pgno=2
