On Thu, Jun 26, 2008 at 10:45 PM, Vasile Surducan wrote: > On 6/26/08, Thomas C. Sefranek wrote: >> >> Say if you have a single-stage buck converter, the efficiency from >> 24V->5V will be better than 48V->5V. 12V-->5V is even better. > > :) :) > > Difference between young (unexperienced but enthusiastics) and old > guys can always be found in post like this one... > Vasile I do not understand what you mean here. I am not that old but I am not that young either. Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist