Title :
A simple and efficient synchronous rectifier for forward DC-DC converters
Author :
Murakami, N. ; Namiki, H. ; Sakakibara, K. ; Yachi, T.
Author_Institution :
NTT Corp., Musashino-shi, Tokyo, Japan
Abstract :
A simple and efficient MOSFET synchronous rectification circuit suitable for forward DC-DC power converters is proposed. The main feature of this circuit is the addition of a capacitor in parallel with the drain source of the MOSFET used as a rectifying device. This capacitor extends the conduction period of the MOSFET used as a freewheeling device. As a result, a 92% efficiency at 5 V for 10 A output is achieved
Keywords :
insulated gate field effect transistors; power convertors; power transistors; rectifying circuits; 10 A; 5 V; 92 percent; MOSFET synchronous rectification circuit; capacitor; conduction period; drain source; forward DC-DC power converters; freewheeling device; power transistors; Capacitance; Capacitors; DC-DC power converters; Inductors; MOSFET circuits; Magnetic resonance; Rectifiers; Schottky diodes; Switches; Voltage;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 1993. APEC '93. Conference Proceedings 1993., Eighth Annual
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-0983-9
DOI :
10.1109/APEC.1993.290702
