>The horse is alive.

Great, cos at the moment I'm riding it :))

>He said ~300mA @ 5V from nominally 12V wall wart (15-16V peak unloaded).

Umm, I did not quite say that, but that I was looking at a switcher that
could supply this much, and a "wet finger in the air" guess that it would
have enough current capability, without actually sitting down and
calculating it out. The query at that stage was for something with a bit
more input margin than the chip I was looking at.

However having said that, I think ~300mA would probably do it.

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