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RE: Answered My Own Q

Posted by cpotl (A) on May 11, 2017 at 12:10:36

In Reply to: Answered My Own Q posted by Triode_Kingdom on May 11, 2017 at 06:59:46:

FWIW, the Wiki article on buck converters begins

"A buck converter (step-down converter) is a DC-to-DC power converter which steps down voltage (while stepping up current) from its input (supply) to its output (load)," which supports your idea.

I think you must be right; there would not be much point in them if they had the mere efficiency of a series resistance regulator. Since they are switching devices, there should be only small losses. Hence, the current must, to first approximation, step up in the same ratio as the voltage steps down.

Chris

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