> What really could match are Switching Regulators: > TC125 Step-up DC/DC Regulator > TC126 Step-up DC/DC Regulator > TC115 Step-up DC/DC Regulator Thank you for the part numbers. Even without links this is very helpful. A Google search is an invaluable tool for finding device data :) The MAX1678 and TC125 both look promising. However, I could only find the MAX1678 on Digi-Key... Thanks, Adi -- 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