Some thoughts not involving getting into toaster ovens...

First, are you sure it must be connected?  Is it necessary electrically
that it be tied to ground?  I used a part once that was similar (tho
much smaller - a little 8-pin thing) that was for battery charging, and
the "ground pad that must be soldered" was only for heat-sinking.
Wasn't needed in my case, the part never even got warm since I was using
it at 25% current capacity, I never connected it and no problem.

Secondly - there are conductive epoxies, a tiny dab might be all you
need.  I'm sorry I don't have a reference / source for you, maybe a
well-stocked hardware store could help you or do some net searching.

Thirdly - if you designing the board, maybe put a large via right
underneath the chip, so that you heat it and the pad from the underside
and flood with solder after the chip has been soldered in place.

Good luck!
J


Brooke Clarke wrote:
> Hi:
>
> I would like to use a PIC12F629 to drive the LTC3205.  But the LTC3205
> only comes in a 24 lead QFP with a ground pad hidden under the package.
> with a note saying it must besoldered to the PCB. Is there a way for me
> to solder this part at home?
>
> Thanks,
>
> Brooke Clarke, N6GCE
> http://www.PRC68.com
>
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