Design of a Low Cost High Efficiency Multiple Output Self Oscillating Flyback Converter

https://doi.org/10.22146/ijitee.29769

Yogi Sawitra(1*), Prapto Nugroho(2), Eka Firmansyah(3), Wahyu Dewanto(4), Rudy Hartanto(5), Tiyono Tiyono(6), Tumiran Tumiran(7)

(1) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(2) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(3) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(4) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(5) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(6) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(7) Department of Electrical Engineering and Information Technology, Faculty of Engineering, Universitas Gadjah Mada
(*) Corresponding Author

Abstract


The use of some integrated circuits in an SMPS circuit are the main factor that increasing the cost. Self-oscillating feedback converter topology is a well-known circuit topology for low-cost application without using any single integrated circuit chip. In this paper, a Low Cost with high efficiency converter without any single integrated circuit component was analysed and designed. It has also multiple outputs of 3.3 V/1 A, 5 V/0.5 A, and 12 V/0.1 A so that it can be used as power supply for DVD player. Experiment results showed that it can deliver continuously output voltage as designed and a total output power of 7.3 W, with an efficiency for about 70%.

Keywords


SMPS, DC converter, flyback converter, self oscillating flyback converter.

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References

[1] B. Khemmanee and D. Isarakorn, “Low cost energy management circuit based on primary feedback converter for piezoelectric Energy Harvesting,” International Conference for Technical Postgraduates (TECHPOS), 2015.

[2] Ray-Lee Lin and Shih-Ho Hsu, “Design and Implementation of Self-Oscillating Flyback Converter With Efficiency Enhancement Mechanisms,” IEEE Transactions on Industrial Electronics, Vol. 62, No. 11. November 2015.

[3] Brian T. Irving and Milan M. Jovanovic, “Analysis and Design of Self-Oscillating Flyback Converter,” IEEE Applied Power Electronics Conference (APEC), 2002.

[4] Hang-Seok Choi, “Design Guidlines for Off-line Flyback Converters Using Fairchild Power Switch”, Fairchild Semiconductor, 2003.

[5] S. Klein, “Line Filter, The last barrier in the switch mode power supply”, Wurth Elektronik, 2013.

[6] Hang-Seok Choi, “Transformer Design Consideration for Offline Flyback Converters Using Fairchild Power Switch (FPSTM)”, Fairchild Semiconductor, 2003.

[7] C. Basso, “Conducted EMI Filter Design for the NCP1200”, ON Semindutor, 2001.



DOI: https://doi.org/10.22146/ijitee.29769

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