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                     SWITCHING POWER SUPPLY DESIGN TUTORIAL; SMPS BLOCK DIAGRAM, BASIC CONCEPTS, THEORY OF OPERATION Focus: A brief (one web page) tutorial defines basic terms associated with switched-mode power supplies (SMPSs), presents a block diagram of an offline SMPS and then explains what each function within the supply does. Some key regulatory standards are mentioned, some basic information on PFC circuits and dc-dc converter topologies is provided, and power supply efficiency is defined.
 
 What you’ll learn: 	- How to understand the basic operation of an offline switched-mode power supply
  
 Notes: No publication date specified. Web page indicates copyright 2005, 2009. 
 
 View the Source 
 Author & Publication: Lazar Rozenblat, LAZAR''s POWER ELECTRONICS GUIDE, Jan 01 2005  
                     
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                	 This article summary appears  
          			in the  HOW2POWER Design Guide. 
                     
                     
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