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   Comparison of Resonant LLC and LCC Converters for Low-Profile Applications   [View] 
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 Author(s)   Alexander PAWELLEK, Thomas DUERBAUM, Christian OEDER 
 Abstract   Due to the increasingly demand for highly efficient, cost-effective and low-profile applications, resonant converter topologies are massively gaining in importance. With the LCC and LLC converter, the two most promising topologies of this converter class are presented and compared within this paper. Based on their individual configuration, both converters are analyzed in the time domain revealing the first differences and similarities. Moreover, both converter topologies are optimized with respect to a low-profile notebook adapter specification for 100 W. The main focus is placed on the magnetic design of both transformers. Finally, two prototypes using completely identical layouts are developed and measurement results are discussed concerning best operation point and overall efficiency. 
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Filename:0182-epe2011-full-18221277.pdf
Filesize:2.943 MB
 Type   Members Only 
 Date   Last modified 2012-01-26 by System