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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