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New self-driven synchronous rectification system for converters with a symmetrically driven transformer

dc.contributor.authorFernández González, Arturo José 
dc.contributor.authorSebastián Zúñiga, Francisco Javier 
dc.contributor.authorHernando Álvarez, Marta María 
dc.contributor.authorVillegas Saiz, Pedro José 
dc.contributor.authorGarcía García, Jorge
dc.identifier.citationIEEE Transactions on Industry Applications, 41(5), p. 1307-1315 (2005); doi:10.1109/TIA.2005.853385
dc.description.abstractSynchronous rectification (SR) is mandatory to achieve good efficiencies with low output voltages. If the transformer is driven asymmetrically without dead times, self-driven SR (SDSR) is a very interesting solution. However, if the transformer is driven symmetrically, the synchronous rectifiers are off during the dead times and, as a consequence, the efficiency is lowered. This paper deals with a new SDSR system that keeps the rectifiers on even during the dead times. Thus, it can be used to obtain very low output voltages, such as 1.5 V, with quite good efficiency. Moreover, it can be used over a wide input voltage range. The new system is implemented in a prototype in order to measure the real efficiency that can be achieved with the proposed schemespa
dc.format.extentp. 1307-1315spa
dc.relation.ispartofIEEE Transactions on Industry Applications, 41(5)spa
dc.titleNew self-driven synchronous rectification system for converters with a symmetrically driven transformerspa

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