On Aug 25, 2:38*pm, T8 wrote:
Does anyone know whether the 302 uses an (efficient) switch mode DC
converter, or just a plain old regulator (doubles as a toaster)? *

Don't know but I'd be interested in the answer. Although, since my PDA
doesn't use a back light, it's probably not a significant load (always
charged before connected).

I expect you could find out by monitoring the 302 input current and
the 5v output current.

Andy (GY)