On Wed, Jan 11, 2012 at 3:21 PM, Dwayne Reid wrote= : > Anyway, I'm hoping that someone can suggest a DC-DC converter chip > that meets those specs and runs in PWM mode rather than burp mode. > > Many thanks! > > dwayne Can you boost the 5.75 to 7.2V? At a fixed load of 30mA and a fixed input/output voltage you can pick an inductor and switching frequency that allows constant PWM operation. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .