3.2 volts DC from a nominal 12 supply?

[Ian_Edwards]

I have an old cell router, which connects to a Mobile phone network and then converts the data to Ethernet. It was designed to work with a power brick which converts 230volt AC to 3.2volts DC with a maximum output current of 2amps.

I'd like to try and use it on the boat, I could use a small inverter and the original power brick, but I'd really like to run it off the boats 12volt system.

So I need a DC to DC power supply which takes a nominal 12volts DC input and outputs 3.2volts with a maximum current rating of 2amps.

Any suggestions as to where I can buy or how I can build a suitable DC to DC converter?

 

[Rigger Mortice]

Lots on Ebay. This is the first one I found http://www.ebay.co.uk/itm/DC-LM2596..._Measurement_Equipment_ET&hash=item2c7f5848b2
Don't worry about it coming from Hong Kong, it takes a bit longer but I've had no problems buying things like this from the Far East.

 

[AngusMcDoon]

http://uk.farnell.com/ge-critical-power/sc003a5f91z/dc-dc-isolated-3-3vdc-3-5a/dp/2076928

3.3V near enough.

 

[Ian_Edwards]

Thanks Angus, the Farnell one looks ideal, I'll order one today.

 

[nigelmercier]

I have an old cell router, which connects to a Mobile phone network and then converts the data to Ethernet...

Is this something more than a 3G router? You can get them for about £20 that will run from 12V.