[oopic] Re: ooPIC-R Optional Voltage Regulator

--- In oopic@yahoogroups.com, "dan michaels" <oric_dan@...> wrote:
>
> --- In oopic@yahoogroups.com, "rtstofer" <rstofer@> wrote:
> >
> > >
> > > You can mount a heatsink (permanently) to any chip with thermal
> > > epoxy - but I think that you are right, I should just fire the
> thing up and see if it works.
> > >
> >
> > I guess you could glue the heatsink to the plastic case but I'm not
> > sure how effective it would be. The VR is designed to move the heat
> > to the tab and fron the tab to the PCB. I would think the thermal
> > resistance of the plastic would be a limiting factor on the efficacy
> > of a glued on heatsink.
> >
> > Richard
> >
>

I have just confirmed (with the meter) that these sensors do draw
about 330mA. I will be gluing a heatsink onto the LM1084. The
housing seems to be ceramic rather than plastic, so it should help to
eliminate some heat.

>
> This is true, but since the top of the chip can get pretty darn hot
> too, adding a heatsink there should help.
>

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