I remember an ap note - perhaps from I.R. or Eupec on using IGBT's
similarly.
I will try to dig it up. This is really getting interesting...

Chris

ps: see Olin, I'm learning! >>>

>     Now, how about using an IGBT? I'm thinking of using this
> circuit to make
> reverse dimming control (a topic that was discussed last
> year) in 100-240V
> and I'm afraid I will burn some MOSFETs. Maybe IGBT would be a better
> solution as they're made for high voltages, but the only way
> I can think is
> to put the IGBTs on the MOSFETs place on your circuit and use
> a pair of
> diodes. But then we'll have a large voltage drop.
>
>     Have someone tried anti-paralleling IGBTs?
>

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