Thanks Alan, The chip indeed is LT2978. Sorry for the typo. Regards, Chetan Bhargava http://microz.blogspot.com On Thu, Aug 16, 2012 at 1:21 AM, wrote: >> A lot of the time they get "lazy" and don't implement PEC. The supply I= worked with >> didn't require it. >> >> The data sheet should say what's expected. I tried to find LT2979, but = there are no >> matches, not even on Linear's site. And you didn't say what it did, so = I couldn't >> find it by guessing and working backwards. > > I suspect he means this chip ... > http://www.linear.com/product/LTC2978 > > found by going through the parametric search under "digital power managem= ent" ... > > > -- > Scanned by iCritical. > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .