New Classic Finds and etc. (Long)

From: der Mouse <mouse_at_Rodents.Montreal.QC.CA>
Date: Mon Jan 26 03:17:00 2004

> Huh? Did I miss something? We're talking about a power supply here,
> right?

> A power supply should provide the specified voltage.
> The power supply must be rated at *at least* the current (Amps) or
> power (Watts) drawn by the load, but an excess here does not hurt.

This is true only of well-regulated supplies.

Wall-warts (which is the form of power supply I thought we were talking
about here) often are not well-regulated. A wall-wart rated at 6V
750mA is reasonably likely to supply well over 6V if used to power a
device that draws only 150mA.

Sometimes this doesn't matter. But sometimes it does.

Of course, if we're not talking about wall-warts, but instead talking
about properly regulated supplyes, never mind.

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Received on Mon Jan 26 2004 - 03:17:00 GMT