> Your suggestions? :)
> 
> I do have a couple of ideas in mind or more, just wanted to share
them.
> 
> It's for the already-mentioned FMI device.
> I'm testing the software and etc. with a step-down DC-DC from Repcom,
> but it's input is only 18-72 and has no shutdown.
> 
> I need some 4-5mA actually, just to put some 1KHz sine wave into a
> 600ohm line.
> 
> TIA

Linear Technology make some nice little switcher chips that will take
reasonably high input voltages, not as high as 120V, but in the 40V
range. Also look at anything designed as a PoE regulator, they need to
take a pretty beefy input voltage.
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