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Title: Design of smart power synchronous rectifier
Authors: Pan, H.
Liang, Y.C. 
Oruganti, R. 
Keywords: Power electronic devices
Synchronous rectification
Issue Date: 1999
Citation: Pan, H., Liang, Y.C., Oruganti, R. (1999). Design of smart power synchronous rectifier. IEEE Transactions on Power Electronics 14 (2) : 308-315. ScholarBank@NUS Repository.
Abstract: In low-output-voltage dc/dc converters, power losses due to the conduction of rectifying devices are significant. Using synchronous rectifiers instead of the conventional fast recovery diodes or Schottky diodes is an effective solution to this problem in most topologies. However, for synchronous rectifiers to perform effectively, it requires an external gate drive with proper sensing and timing control circuits. This can increase the complexity and cost in converter hardware implementation. For the first time, a smart power synchronous rectifier (SPSR), which is a two-terminal MOS rectifier, is designed to overcome this difficulty. The SPSR integrates a simple control unit with a power MOSFET into a smart module to form a self-control led synchronous rectifier. It has great advantages over the conventional discrete circuit composition, such as integrated gate control, precise timing switching, and fast transient response, which are suitable for applications in high-frequency pulsewidth modulation (PWM) converter circuits.
Source Title: IEEE Transactions on Power Electronics
ISSN: 08858993
DOI: 10.1109/63.750184
Appears in Collections:Staff Publications

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