The application note you have requested is available in Acrobat PDF format: APPLICATION NOTE 28: Low-Power DC-DC Converter Derives 5V From 3V Battery (PDF, 41kB) A free Acrobat PDF reader is available from: http://www.adobe.com/products/acrobat/readstep.html Related Parts   APP 28: Jul 09, 1998 MAX666 Dual Mode™ 5V Programmable Micropower Voltage Regulators Full Data Sheet (PDF, 376kB) Free Samples Automatic Updates Would you like to be automatically notified when new application notes are published in your areas of interest? Sign up for EE-Mail™. We Want Your Feedback!   Download, PDF Format (41kB)  AN28, AN 28, APP28, Appnote28, Appnote 28