Development Of The Push Pull Self Drive Synchronous Rectification Converter

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dc.contributor.authorMamat, Mohd. Nadzri
dc.date.accessioned2018-08-02T08:10:41Z
dc.date.available2018-08-02T08:10:41Z
dc.date.issued2009-03
dc.description.abstractThis thesis presents a new DC-DC converter design for low voltage application. The proposed design is based on isolated push pull topology switched mode power supply. Self-driven synchronous rectification is introduced in the rectification stage in order to create an improved way of rectifying process. N-Channel and P-Channel MOSFETs are used to simplify the synchronous rectification control circuit. Both MOSFETs offer ultra low On-resistance which can be used to achieve higher efficiency than the conventional converter. This converter operates at high speed switching frequency to gain high power-to-volume ratio. In addition, minimum deadtime is set in the design to ensure high efficiency in input-output power transfer. Passive low pass filter is implemented to produce ripple free output voltage in the design. The finalize topology which is push pull with self-driven synchronous rectification is constructed using simple control circuit but maintains good efficiency in its operation. Simulation results show that the proposed converter reacts very well with the self-driven synchronous rectification method. Switching frequency is set to 30 kHz to minimize the switching stress and conduction losses. Practical implementation of the converter shows that the converter operates at a maximum efficiency of 84.1%. Besides, the design only produces 50mVp-p ripple output voltage and considered good for a regulated DC output.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/6146
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectDevelopment Of The Push Pull Self Driveen_US
dc.subjectSynchronous Rectification Converteren_US
dc.titleDevelopment Of The Push Pull Self Drive Synchronous Rectification Converteren_US
dc.typeThesisen_US
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