Stupid TI power supply

[der Mouse]

["Eric Smith" <eric at brouhaha.com>]
> Sure, but the third pin isn't necessarily floating with regard to the
> other two.

It is if you leave it unconnected.

> For instance, if the third pin is a center tap on the
> secondary, leaving it open may cause problems.  Possibly including
> damage to the device, since unbalanced loads between the ends and the
> center tap will drag it around.

If the centre-tap is left open, there will be no loads, balanced or
not, between it and anywhere; it then becomes equivalent to an
otherwise similar transformer with no centre-tap at all.

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