ucd 25 watts to 1200 watts using 2 mosfets - Page 190

manojtm · 12th April 2012, 09:54 AM

hi classd2008
my working proj. use 132khz
hi andrewlebon
ionutzxpo says correctTrr 100-200ns body diode for 250-300khz aplication

classd2008 · 12th April 2012, 10:31 AM

manojtm Where's the schematic or project that you said put??

andrewlebon · 12th April 2012, 11:22 AM

Hi
greetings thanks for the advice i am using FDA series mosfets and prototype is working
very good anyway thanks all of you
warm regards
andrew lebon

manojtm · 12th April 2012, 01:01 PM

Hi all

attaching my old design again

RGDS
manoj

Pafi · 12th April 2012, 01:47 PM

Quote:

Originally Posted by andrewlebon

HELLO
greetings is this mosfet a good choice for high power d class amps
IXFH88N30P
warm regards
andrew lebon

Yes, it is very good for sub-amp, fsw=150 kHz, but only with disabled/replaced diode (series UltraLow Vf schottky, parallel FRED)! + pnp gate booster.

classd2008 · 12th April 2012, 06:31 PM

manojtm as this temperature for high power?

andrewlebon · 13th April 2012, 03:18 AM

hello
greetings just want to ask if IR2110 candrive 2 pairs IRFP250N as i am new to class d this is a picture of 2 pairs irf250n being driven by ir2110
warm regards
andrew lebon

andrewlebon · 13th April 2012, 03:49 AM

Hi Manojtm
greetings can you give correct tl431 there are so many packages of tl431 which one are you using i also need 2 ampere 12 volts fo IR2110
trying to LM2576T but i cant get 100uh inductor so i try TL431
warm regards
andrew lebon

manojtm · 13th April 2012, 10:13 AM

Hi anrewlebon,

i mentioned on schem. R A C of TL431

manojtm · 13th April 2012, 11:20 AM

Hi All

Attaching NEW DESIGN
SOME PART DOTED GREEN LINE IS NOT TESTED
ANY ONE NEED HIGH WATT USE IRFP23N50L WITH +140 -140 YOU WILL GET 2K2

RGDS
MANOJ

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12th April 2012, 09:54 AM	#1891
manojtm diyAudio Member Join Date: Aug 2008	hi classd2008 my working proj. use 132khz hi andrewlebon ionutzxpo says correctTrr 100-200ns body diode for 250-300khz aplication

12th April 2012, 10:31 AM	#1892
classd2008 diyAudio Member Join Date: Apr 2012 Location: Puerto Rico	manojtm Where's the schematic or project that you said put??

12th April 2012, 11:22 AM	#1893
andrewlebon diyAudio Member Join Date: Feb 2008	Hi greetings thanks for the advice i am using FDA series mosfets and prototype is working very good anyway thanks all of you warm regards andrew lebon

12th April 2012, 06:31 PM	#1896
classd2008 diyAudio Member Join Date: Apr 2012 Location: Puerto Rico	manojtm as this temperature for high power?

13th April 2012, 10:13 AM	#1899
manojtm diyAudio Member Join Date: Aug 2008	Hi anrewlebon, i mentioned on schem. R A C of TL431

13th April 2012, 11:20 AM	#1900
manojtm diyAudio Member Join Date: Aug 2008	Hi All Attaching NEW DESIGN SOME PART DOTED GREEN LINE IS NOT TESTED ANY ONE NEED HIGH WATT USE IRFP23N50L WITH +140 -140 YOU WILL GET 2K2 RGDS MANOJ