I am trying to find out what the minimum input voltage to my voltage = regulator needs to be. My data sheet has a 'Dropout' voltage of .10 typ., .15 max volts. Does this mean that the input voltage must be .15 volts higher than the = output voltage, or is there something else I need to figure in? Thanks John -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics