IGBT's

Vitek, Joseph JVitek at terion.com
Wed Feb 16 21:23:15 GMT 2000


 Have you looked at International Rectifier's IGBT's and their 
 HEXFET Power MOSFET's? They have a lot of good parts for 
 applications just like ours. http://www.irf.com
 Check it out.
 
 Joe
 
 ---------------------------------------------
 He who trades necessary liberty for temporary
 security deserves neither liberty nor security.
 -Benjamin Franklin- 
 
 
 >Date: Wed, 16 Feb 2000 10:18:21 -0000
 >From: "Rich M" <rsrich at cwcom.net>
 >Subject: RE: MC3334 based ignition
 >
 >Hi Guys,
 >A normal bipolar would have Vce(sat) around 0.7V, but not a 
 darlington!
 >MJ10012 quotes Vce(sat)=2V at Ic=6A, Ib=0.6A and Vb=2.5V - 
 that's 1.6Watts
 >dissipation just for base drive!
 >
 >How about a IGBT? Look at Motorola MGP20N40CL - Vce=400V (internally
 >clamped), Ic=20A cont. Vce(sat)=1.8V max.(at 10A)  Gate 
 drive is like a
 >logic-level mosfet ie. guaranteed fully on at TTL logic 
 high(min) level,
 >gate current is statically negligible, but highish gate 
 capacitance requires
 >a reasonably stiff drive for high speed switching. The gate 
 is zener clamped
 >to avoid damage from voltage spikes.
 >This device was designed for coil switching and all in a 
 TO220 package
 >style.
 >www.mot-sps.com for details.
 >Hope this helps.
 >
 >Rich
 >
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