반도체디스플레이기술학회지 (Journal of the Semiconductor & Display Technology)

한국반도체디스플레이기술학회 (The Korean Society Of Semiconductor & Display Technology)
권호 표지

보빈 적층 방식의 다중 공유결합 인덕터를 이용한 4병렬 스위칭 정류기에 관한 연구

A Study on the Expandable Bobbin Type Multiple Integrated Coupled-Inductor Applied 4-Pralleled Switching Rectifier

  • 유정상 (청주대학교 전자공학과) ;
  • 안태영 (청주대학교 전자공학과)
  • Yoo, Jeong Sang (Department of Electronic Engineering, Cheongju University) ;
  • Ahn, Tae Young (Department of Electronic Engineering, Cheongju University)
  • 투고 : 2019.11.15
  • 심사 : 2019.12.12
  • 발행 : 2019.12.31
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초록

In this paper, expandable bobbin type multiple integrated coupled-inductor applied 4-paralled switching rectifier was proposed. To design the proposed inductor easily, inductance designing formula was derived through magnetic circuit analysis of the 4-paralleled integrated coupled-inductor. Furthermore, to verify practicality of the proposed inductor, it was applied in 600W class 4-paralleled interleaved switching rectifier, and the steady-state characteristics of the proposed inductor and discrete inductors were compared. Consequently, it was showed that the proposed inductor can replace the conventional discrete inductors with alternative electrical characteristic standard, hence miniaturization of the SMPS can be achieved. From the test result, test circuit with the proposed inductor showed maximum 97.1% of power conversion efficiency and under 18W of power loss where the circuit with discrete inductors showed 96.7% and 20W respectively.

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참고문헌

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