Design of Flyback Converter with Voltage Driven Synchronous Rectifier
作者： Bong-Suck Kim , Ho-Seon Ryu , Man-Su Shin , Joo-Hyun Lee , Ik-Hun Lim
DOI: 10.1109/EPEPEMC.2006.4778471
关键词: Electrical engineering 、 Low voltage 、 Flyback converter 、 Voltage drop 、 Buck converter 、 Electronic engineering 、 Forward converter 、 Engineering 、 Buck–boost converter 、 Peak inverse voltage 、 Voltage
摘要: In low output voltage dc-dc converters, power losses is significant, due to the conduction of rectifying device. Using synchronous rectifiers instead conventional fast recovery diodes an effective solution this problem in most topologies. However, for rectifier perform effectively, it requires external gate drive with proper sensing and timing control circuits. This can increase complexity cost converter hardware implementation. Design Flyback Converter Voltage Driven Synchronous Rectifiers proposed. The proposed SR driven (VDSR), which operates depending on drop across drain source MOSFET. Experimental results 85W (12V/7.1A) are shown.
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