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A Low Stand-by Power Start-up Circuit for SMPS PWM In-Seok Jung
 

Summary: A Low Stand-by Power Start-up Circuit for SMPS PWM
Controller
In-Seok Jung
Department of Electrical and Computer Engineering
Northeastern University
Boston, MA, USA
1-617-373-7780
ijung@ece.neu.edu
Yong-Bin Kim
Department of Electrical and Computer Engineering
Northeastern University
Boston, MA, USA
1-617-373-2919
ybk@ece.neu.edu
ABSTRACT
In this paper, a novel start-up circuit with a simple topology and
low stand-by power during under voltage lockout (UVLO) mode
is proposed for SMPS (switching mode power supplies)
application. The proposed start-up circuit is designed using only a
few MOSFETs, LDMOSs, and one JFET based on the analysis of

  

Source: Ayers, Joseph - Marine Science Center & Department of Biology, Northeastern University

 

Collections: Engineering