Re: [CAD_CAM_EDM_DRO] Re: MOSFET bridge circuit

DV/DT = Delta Voltage/Delta Time = Change in voltage / Change in time. =
Rise and fall times...

As with di/dt for current.

Cheers, Chris.

* Design engineer, Assembly worker, Cleaner.
* Ohmark Electronics. PO Box 5302, Christchurch, New Zealand.
* http://www.ohmark.co.nz

----- Original Message -----
From: Tom Caudle <tom@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Tuesday, October 10, 2000 10:03 AM
Subject: [CAD_CAM_EDM_DRO] Re: MOSFET bridge circuit


> --- In CAD_CAM_EDM_DRO@egroups.com, "Mariss Freimanis"
> <geckohall@h...> wrote:
> > Hi,
> >
> > I uploaded a MOSFET bridge circuit for those who might want
> to "roll
> > their own" circuits. I designed it a few years ago and it works
> > better than any monolithic half-bridge drivers (IR2104, etc.). The
> > only reason I do not use it presently is economic; it takes up more
> > space and uses more components than the SO-8 package driver I use
> now.
> >
> > I advise against bread-boarding this circuit. There are inevitable
> > parasitics that will be introduced by doing so. The circuit has
> > extremely high dv/dt and di/dt components that requires a very
> tight
> > PCB layout.
> >
> > Mariss
>
> Auh huh! Gate drive rise and fall times are critical too.
>
>
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