Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
I suppose you want to have information about the boost converter.
You can use a search engine or you can visit for example the website of Texas instrument www.ti.com and look for the "Unitrode (TM) Power Supply Seminar Archives"