> 	SMD tantalums seem to offer a great advantage in terms of size
> over normal electrolytic caps in stabilising a power supply. However
I'm
> concerned with voltage spikes killing the cap.

Tants hate large inrush currents, and this sounds like an app that would
have a fair bit of them. 

Check the specs, and look at what the real inrush current could be,
figuring real impedances and lead inductances.



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