[SI-LIST] inter-power-converter coupling

We're investigating ways of developing large,
power-hungry boards, and one of the concepts
we had for delivering power (~500 W per board
@ 1.2 V) was to supply the board with ~50 V
and have DC-to-DC converters distributed across the
board.  

Due to effeciency, the converters are likely to be some form of
switching coverter with large inductors/coils/transformers.
At this point, I'm not sure if the converters
will be shielded or not, so for the sake of this
discussion, assume they are not individually shielded.

Is there any chance of the converters coupling to
one another tightly enough that they start to
oscillate?  Or, if the coupling is strong enough,
will two converters lock onto one another?  Would
this be a problem?

As you might guess, I have little experience with
DC-to-DC converters, so I'd appreciate any input you
might have.

Regards,
Pat





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