Power Consumption

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idahowayne:
Sailing, Thanks for all the info. I have some DC to DC converters and plan to use one to keep my 24 volts down to 12 for the OBi.
 I have read that DC to DC converters are not reliable at around  10% or less that their rated output and can produce voltage as much as double what they are set for. The OBi draws about 110 milliamps and I have not seen any converters that small. Any ideas?

sailing:
The output voltage will always regulate no matter what the output load is. Efficiency may suffer a few percent at light load but think about the power you are using and the extra few percent of loss. It ain't much. You will want an isolated output so the Obi's ground isn't part of the rest of your system otherwise you may create other problems.

XP Power is one manufacturer. There are many others.
http://www.xppower.com/EN/DC-DC

You can order XP's converters from
http://www.newark.com.

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