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http://dx.doi.org/10.7471/ikeee.2019.23.3.962

Non-Isolation, High-Efficiency and High-Voltage-Output DC-DC Converter using the Self-Driven Synchronous Switch  

Jeong, Gang-Youl (Dept. of Electronic Information Engineering, Soonchunhyang University)
Publication Information
Journal of IKEEE / v.23, no.3, 2019 , pp. 962-970 More about this Journal
Abstract
In this paper, the non-isolation, high-efficiency and high-voltage-output DC-DC converter using the self-driven synchronous switch is proposed. The proposed converter achieves high-voltage-output by applying a tapped inductor to the conventional boost DC-DC converter structure, and it reduces the voltage stress of main switch applying the lossless capacitor-diode (LCD) snubber to the switch. And the proposed converter applies the synchronous switch instead of the diode to the output part, and thus it resolves the reverse recovery problem and achieves high-efficiency. The synchronous switch of proposed converter uses the self-driven method and has a simple structure. In this paper, the operation principle of proposed converter is explained, and then, a design example of the converter prototype is presented. And the characteristics of the proposed converter are shown through experimental results of the prototype made with the designed circuit parameters.
Keywords
High-voltage-output; reduced switch voltage-stress; tapped inductor; lossless capacitor-diode (LCD) snubber; self-driven synchronous switch;
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Times Cited By KSCI : 1  (Citation Analysis)
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