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-   -   Upgrading a laptop psu for audio use... (http://www.diyaudio.com/forums/power-supplies/46706-upgrading-laptop-psu-audio-use.html)

chriscam 28th November 2004 08:31 PM

Upgrading a laptop psu for audio use...
 
Hi,

While browsing for smps I bumped into this philips schematic of a 12V labtop psu. I wonder if it's possible to tweak this design to power a 400 watt hypex classd amp.

Have a look at page 37 of this pdf. Things needing an upgrade would be the input rectifier bridge, the FET 7100 switch and 5101 core etc.

Or does anybody over here have better idea's for chipchoice ? TL494 seems also to be a popular candidate ?

cheers - chris


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