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K6- Switching power supply
K6- Switching power supply
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Old 15th December 2008, 12:26 PM   #1
microsim444 is offline microsim444  Jordan
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Join Date: Oct 2008
Default K6- Switching power supply

I wonder if any one worked and succeeded into the K6 switching power supply,


I built this supply from scratch, but the mosfets burns at 3 amp draw .
I dont know why!?

I connected my amplifier, put some music at high volume 4 Ohm load.

30 seconds playing. watching the multimeter, at 3 amps , the fuses blown, check mosfets, they are gone!!

they get very hot at low current draw.

Any comments?
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Old 29th December 2008, 05:58 PM   #2
Fob is offline Fob  Bulgaria
diyAudio Member
Join Date: Jul 2008
Location: Sofia
Try to make some driver enhancement I don know why, but this topology with transformer driver is not good.
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Old 7th January 2009, 07:02 PM   #3
dtproff is offline dtproff  United States
diyAudio Member
Join Date: Oct 2008
Location: Plano, TX, USA
There are several bad reports on this particular power supply. Do a search and you can follow the threads.
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Old 17th January 2009, 12:10 PM   #4
microsim444 is offline microsim444  Jordan
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Join Date: Oct 2008
Default H

this design is trick, it will not work unless you buy the original transformers, (I dont think it will work either)

i am moving to a new design now, IR2110,
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