300W SMPS DESIGN .............. FULLY TESTED

phoenix87 · 19th April 2011, 11:23 AM

hey guy i have a working 300W smps wanted to share with u people........... later will post the pfc circuit and the winding details for the TXFR......
SOME FEATURES
O/P VOLTAGE +-50v
SHORTCIRCUIT AND OVER TEMP PROTECTION...............
DETAILS LATER .....

regards
phoenix

phoenix87 · 19th April 2011, 11:49 AM

more updates r to come if any body is interested ................ one thing is for sure that the smps works cause i am using it to drive a 250W amp and it works beautifully ....................

regards
phoenix

viki_v2 · 19th April 2011, 01:06 PM

Hello Phoenix87,
I am very much interested in building this Smps Please Give the details.

Thank You

Rudy216 · 19th April 2011, 06:07 PM

Yeah. Need more details.

infinia · 19th April 2011, 06:25 PM

good work! schematic looks reasonable
yeah we all want photos of hardware. I like a good XFMR build story too.

phoenix87 · 20th April 2011, 10:27 AM

here is TXFR details will give more ....................

regards
phoenix

phoenix87 · 20th April 2011, 10:28 AM

opps not EFD39 but ETD39 .........................sorry

regards
phoenix

phoenix87 · 20th April 2011, 10:28 AM

Pics will follow later...............................

MaXwellHouse · 22nd April 2011, 08:39 AM

some more information, please.

phoenix87 · 27th April 2011, 09:10 AM

although people r nt interested ................ here r pics of prototype boards with pfc section

regards
phoenix

19th April 2011, 06:25 PM	#5
infinia diyAudio Member Join Date: May 2005 Location: Californication	good work! schematic looks reasonable yeah we all want photos of hardware. I like a good XFMR build story too. __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust

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19th April 2011, 11:49 AM	#2
phoenix87 diyAudio Member Join Date: May 2010	more updates r to come if any body is interested ................ one thing is for sure that the smps works cause i am using it to drive a 250W amp and it works beautifully .................... regards phoenix

19th April 2011, 01:06 PM	#3
viki_v2 diyAudio Member Join Date: Feb 2009 Location: India (Mumbai)	Hello Phoenix87, I am very much interested in building this Smps Please Give the details. Thank You

19th April 2011, 06:07 PM	#4
Rudy216 diyAudio Member Join Date: Mar 2009	Yeah. Need more details.

20th April 2011, 10:28 AM	#7
phoenix87 diyAudio Member Join Date: May 2010	opps not EFD39 but ETD39 .........................sorry regards phoenix

22nd April 2011, 08:39 AM	#9
MaXwellHouse diyAudio Member Join Date: Apr 2011	some more information, please.

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