On Thu, Aug 18, 2011 at 11:44 AM, M.L. wrote: > On Thu, Aug 18, 2011 at 8:19 AM, Marc Nicholas > wrote: > > Hello PIClisters, > > > > I've used the NCP1400 in the past, but now have a requirement for > delivering > > more current than the NCP1400 can handle and am therefore looking for > > recommendations. > > > > The requirements are:- > > > > - 300mA @ 3.3vdc power budget > > - Chip Enable line > > - Low quiescent current > > - Low external part count (3-4 parts is okay) > > - Generally well suited to single AA battery operation is preferable > > - ~80% efficiency would be nice > > > > > I think the MCP1640 can do this. 300mA might be pushing the limit. > Check the datasheet. > I've used it in a couple designs and it works pretty well > I could add another AA cell to the design....the price of this part is certainly attractive!! Thanks for the feedback :) -m --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .