Re: [CAD_CAM_EDM_DRO] Re: FS: New 4 axis microstepping driver $45.00 USD

Searching the manufacture's web sites, there are app notes on paralleling
them. It usually requires low value ballast resistors and an op-amp or two.

At 04:27 PM 3/22/2004 +0000, you wrote:

>At 10:23 22/03/2004, you wrote:
> >Anyone ever play with creating a power supply with 3 LM317's in
> >parallel?
>
>Not tried it, but I suspect that using these in parallel is non-trivial
>(the likely problem being the difficulty of persuading them to take exactly
>1/Nth of the current draw). One of them will inevitably end up taking more
>than its fair share of the current, leading to the possibility of thermal
>runaway (= release of the magic smoke) if all you do is a simplistic "N in
>parallel = N times 1.5A" calculation.