ucd 25 watts to 1200 watts using 2 mosfets - Page 190 - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 12th April 2012, 09:54 AM   #1891
manojtm is offline manojtm  India
diyAudio Member
 
manojtm's Avatar
 
Join Date: Aug 2008
hi classd2008
my working proj. use 132khz
hi andrewlebon
ionutzxpo says correctTrr 100-200ns body diode for 250-300khz aplication
  Reply With Quote
Old 12th April 2012, 10:31 AM   #1892
diyAudio Member
 
Join Date: Apr 2012
Location: Puerto Rico
manojtm Where's the schematic or project that you said put??
  Reply With Quote
Old 12th April 2012, 11:22 AM   #1893
diyAudio Member
 
andrewlebon's Avatar
 
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
  Reply With Quote
Old 12th April 2012, 01:01 PM   #1894
manojtm is offline manojtm  India
diyAudio Member
 
manojtm's Avatar
 
Join Date: Aug 2008
Hi all

attaching my old design again

RGDS
manoj
Attached Images
File Type: jpg UCD625.JPG (562.8 KB, 1047 views)
File Type: jpg UCD625 Pro.JPG (290.4 KB, 929 views)
  Reply With Quote
Old 12th April 2012, 01:47 PM   #1895
Pafi is offline Pafi  Hungary
diyAudio Member
 
Join Date: May 2004
Location: Budapest
Quote:
Originally Posted by andrewlebon View Post
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.
  Reply With Quote
Old 12th April 2012, 06:31 PM   #1896
diyAudio Member
 
Join Date: Apr 2012
Location: Puerto Rico
manojtm as this temperature for high power?
  Reply With Quote
Old 13th April 2012, 03:18 AM   #1897
diyAudio Member
 
andrewlebon's Avatar
 
Join Date: Feb 2008
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
Attached Images
File Type: jpg s_MLB_v_F_f_215452194_7068.jpg (34.5 KB, 856 views)
  Reply With Quote
Old 13th April 2012, 03:49 AM   #1898
diyAudio Member
 
andrewlebon's Avatar
 
Join Date: Feb 2008
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
  Reply With Quote
Old 13th April 2012, 10:13 AM   #1899
manojtm is offline manojtm  India
diyAudio Member
 
manojtm's Avatar
 
Join Date: Aug 2008
Hi anrewlebon,

i mentioned on schem. R A C of TL431
  Reply With Quote
Old 13th April 2012, 11:20 AM   #1900
manojtm is offline manojtm  India
diyAudio Member
 
manojtm's Avatar
 
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
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Philips 40/25/15 watts amplifier with Universal preamplifier circuit. renjiish Solid State 64 28th July 2014 11:33 AM
Decibel Watts VS Watts ? fivestring Solid State 11 1st April 2009 01:08 PM
AMP1-B: why only 25 watts @8ohms? theAnonymous1 Class D 10 15th August 2005 06:55 PM
Sound quality of amps at 0.3 watts vs @ typical 5 watts rick57 Solid State 2 26th March 2005 06:25 AM
Need 2 watts Vivek Everything Else 4 17th July 2003 08:29 AM


New To Site? Need Help?

All times are GMT. The time now is 01:11 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright ©1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2