The application note you have requested is available in Acrobat PDF format: APPLICATION NOTE 10: Lower Operating Frequency Improves ICL7660 Voltage-Conversion Efficiency (PDF, 58kB) A free Acrobat PDF reader is available from: http://www.adobe.com/products/acrobat/readstep.html Related Parts   APP 10: Jul 09, 1998 ICL7660 Switched-Capacitor Voltage Converters Full Data Sheet (PDF, 128kB) 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 (58kB)  AN10, AN 10, APP10, Appnote10, Appnote 10