8430Re: [tracker2] Re: 5v buck converter?
- Sep 2, 2009Thanks for the detailed explanation, Barry.
To clarify: I use this 7805 arrangement to power the puck GPS. I
left it powered for hours without heat build up, and the results were
The reference to 1 amp was simply lifted from the PDF that described
the chip -- not the actual current draw in the mode I was using it.
On 2-Sep-09, at 4:54 AM, Barry L. Lankford wrote:
> You may get away with this linear power supply scheme if all you're
> powering is a tracker and a low power hockey puck GPS, but if you
> try to
> get much more current than that, you'll probably run into heat
Erich J. Ritzmann
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