[MLB-WIRELESS] PoE

[Tyson Clugg]

> There is a switchmode power supply installed on the roof not detailed in 
> the images for 12V and 5V in the case we want it add ip camera at some 
> stage.
> 
> http://www.air-stream.org.au/LM2576
> 
> And all done on one cat5e cable run :-)

With 12V input, the LM2576 runs at around 75% efficiency giving about
3.5W of unwanted heat in a weatherproof enclosure.  Is there a more
efficient IC for the job?

Regards,
Tyson.