On Fri, Feb 6, 2015, at 09:05 PM, IVP wrote:
> > they also don't turn off just by bringing VGE to zero
>=20
> I can vouch for the ISL9V5036 IGBT turning on and off very
> smartly driven by a PIC pin through a 1k gate resistor

I should have said "they also don't turn off quickly just by bringing
VGE to zero" especially when it neeeds to slew a thousand volts. But I
have seen monolithic IGBT's driven without negative no problem. So it's
probably the big IGBT modules I was using that need it.

Cheers, Bob

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