Re: Self-Resonant Driver Boards (DRSSTC, ISSTC, etc...) Bulk Purchase ? ? ? ? Anyone ? ? ?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: humanb-at-chaoticuniverse-dot-com 

If the GD circuit is good the UCC's should run stone
cold. Mine do even when pushing the PR to the limits.

Regards,

David Trimmell

On Tue, 22 Jun 2004 14:10:12 -0600, "Tesla list" wrote:

 >
 > Original poster: "Jim Mitchell"
 > <Electrontube-at-sbcglobal-dot-net>
 >
 > Good, because the way you had put it,  it seemed as
 > though the circuit was
 > only to protect the driver chips and not the
 > transistors in the bridge,  I
 > guess that would go hand in hand though...
 >
 > It might be wise to allow some sort of heatsinking on
 > the driver chips,
 > incase they would get warm,  But if you're using the
 > UCC27321,  I don't
 > think that would be needed, as they have a wider
 > temperature operating
 > range.
 >
 > Regards - Jim Mitchell
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Tuesday, June 22, 2004 10:30 AM
 > Subject: Re: Self-Resonant Driver Boards (DRSSTC,
 > ISSTC, etc...) Bulk
 > Purchase ? ? ? ? Anyone ? ? ?
 >
 >
 >  > Original poster: "Eastern Voltage Research
 > Corporation"
 > <dhmccauley-at-easternvoltageresearch-dot-com>
 >  >
 >  >
 >  > This is EXACTLY what the MAX DUTY CYCLE detection
 > circuit does.
 >  >
 >  > Dan
 >  >
 >  >
 >  >
 >  >  > Not only that Dan, if you have the ON time too
 > long or the OFF time too
 >  >  > short,  you might burn everything up!
 >  >  > It might be a good idea to include some sort of
 > limiter.
 >  >  >
 >  >  > Regards - Jim Mitchell
 >  >
 >  >
 >  >  >  > Oh . . .
 >  >  >  >
 >  >  >  > One thing i forgot to mention is that there
 > will be a MAX DUTY CYCLE
 >  >  >  > detection circuit on this board.
 >  >  >  > This is important as if you try to run pulses
 > to wide or PRF's too
 >  > high,
 >  >  > you
 >  >  >  > may have a duty cycle that is too high
 >  >  >  > and will cause the gate drivers to burn up
 > very quickly.
 >  >  >  >
 >  >  >  > Dan
 >  >  >  >
 >  >  >  >
 >  >  >  >
 >  >  >
 >  >  >
 >  >  >
 >  >  >
 >  >  >
 >  >
 >  >
 >  >