On 2015-10-21 20:45:47 -0400, Greg Troxel wrote: > I have a net5501 (with 40G PATA spinning disk) that I run on 12V, from > several AGM batteries and a float supply. I find that it draws 0.5A at > 12-13V, which is about 6W. However, if I fed it 6V instead, it would > draw the same 0.5A and be about 3W.
Have you tried this? It doesn't seem plausible. I would expect the power
consumption to remain roughly constant independent of input voltage (so
at 6V it would draw about 1A). A constant current would mean that the
regulator just burns any excess voltage.
hp
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