This may be what you are looking for. This is the 1 amp version, and should handle the Nuvi with no problem, http://www.dimensionengineering.com/DE-SW050.htm
I am using the 3 amp adjustable version, which I mounted inside the Tracker2 case. I take the 12 volts off the header rail and send the 5 volts out the DB9. More power than needed, I know. Look in the files section of the group for a picture - "Switching Regulator.jpg" Joe W0PWJ On Tue, 2009-09-01 at 12:04 -0700, Chris Kantarjiev wrote: > I'm interested in packing a 5V buck converter into a DE-9 shell, to take 12V > in and provide power to > the attached GPS - typically 60-80mA, but it would be nice to handle the > Nuvi's load of 400mA. > > Can anyone suggest a simple design or readily available unit? > > Thanks! > > 73 de chris K6DBG > > > ------------------------------------ > > Yahoo! Groups Links > > >
