Actually, now that I think about it, isn't this spec (10-15.5V, 10-70ma) ideal for a linear regulator? You'd be dissipating 0.7W max. Or is this a battery-powered app that needs super efficiency? Cheers, -Neil. On Saturday 27 October 2007 07:36, Xiaofan Chen wrote: > On 10/27/07, Morgan Olsson wrote: > > In my app i need to convert 10 to 15.5 V (absolute max) down to 5V, > > 10 to 70mA with good regualton and low ripple. > > -And not much EMI, so i believe a compact SMT design is best. > > Try National LM5009 or similar. There are not many parts for higher > voltage but low current application. The current development > are more focused on low voltage higher current applications. > > MAX1836 is another option. > > Regards, > Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist