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Forums
4hv.org :: Forums :: Tesla Coils
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SSTC mosfet driver problem

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steelq
Mon Dec 22 2008, 08:43PM Print
steelq Registered Member #1709 Joined: Sun Sept 21 2008, 11:44AM
Location:
Posts: 2
Hi

I wont to build SSTC like this one:

http://www.stevehv.4hv.org/microSSTC2/ClsESSTCsch.JPG

But i dont have UCC37322 (it's hard to get the UCC37322 in my country). Can I use 4420 instead of UCC37322.
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Linas
Mon Dec 22 2008, 09:21PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
you can sample it from TI, for free, low quantity, like 5 (one type)
Link2
or
Link2
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Arcstarter
Mon Dec 22 2008, 10:03PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Linas wrote ...

you can sample it from TI, for free, low quantity, like 5 (one type)
Link2
or
Link2
I second this :). I have sampled 5 ucc37322's and 5 ucc37321's at the same time. I think i have done that twice.
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MRacerxdl
Tue Dec 23 2008, 12:11AM
MRacerxdl Registered Member #989 Joined: Sat Sept 08 2007, 02:15AM
Location: São Paulo, Brazil
Posts: 476
Hmm, but if you cannot sample (like me, TI doesnt sample for brazil until it gets the new law), you can use TC4420 too, but it doesnt have an enable, so you should adapt that interrupter, with an AND gate or so.
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rp181
Tue Dec 23 2008, 02:16AM
rp181 Registered Member #1062 Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
make sure the package is right. I have ordered SMD on accident so many times...
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Linas
Tue Dec 23 2008, 04:17PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
rp181 wrote ...

make sure the package is right. I have ordered SMD on accident so many times...
powerpad (DGN) ? :D:D:D
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Arcstarter
Tue Dec 23 2008, 09:29PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
rp181 wrote ...

make sure the package is right. I have ordered SMD on accident so many times...
Me too. MAKE SURE YOU GET THE RIGHT ONES! I have about 10 ucc's in the soic package and 5 74hc14's in the frigging tssop package. I will never EVER be able to solder that!
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Tom540
Tue Dec 23 2008, 09:39PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
Actually those DGN packages are pretty cool if you have a hot air soldering iron. They can dissipate a lot more heat. I plan on making my next boards in surface mount just to save money on board costs.
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