At 10:34 AM 03/08/2010, you wrote: >mu load is 0.3 A. will 5uF be enough? >YOurs SaRIn.... A 25uF (or higher) aluminum electrolytic cap on the output is suggested by On Semi. A 1uF ceramic is probably okay too (the ceramic part has much lower ESR, which should be better with this kind of non-LDO part). I'd likely go with the ceramic because it costs a fraction of a penny and takes up almost no space. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the rewar= d" speff@interlog.com Info for manufacturers: http://www.trexon.co= m Embedded software/hardware/analog Info for designers: http://www.speff.co= m --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .