Performance Analysis of Non-Isolated DC-DC Buck Converter Using Resonant Approach

K. Jayaswal, D. K. Palwalia


DC-DC converters preserve or control the output DC voltage. Due to parasitic constituents such as leakage capacitance of both diode and inductor, and transformer leakage inductance, DC-DC converters mostly operate on rigid switching conditions which result in high switching losses. These parasitic constituents affect the dc-dc converter’s operational reliability, instigate electromagnetic interference issues and limit the converter’s operation at higher frequency operations. In this paper, resonant or soft-switch approach has been employed to improve the operating performance and design-oriented principle investigations have been carried out for overcoming the issues of parasitic constituents in 24-12V DC-DC step-down (buck) converter. This paper divulges the analysis and Matlab Simulation results for 24-12V buck converter based on resonant or soft-switching approach.


Operational reliability; DC-DC converter; Resonant converter; MATLAB® Simulation; Step-down converter

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Barry W. Williams, “Basic DC-to-DC Converters”, IEEE Transaction On Power Electronics, vol.23, no.1, pp. 387-401, 2008.

H. A. Huynh et al., “Design and Analysis of the DC – DC Converter With a Frequency Hopping Technique for EMI Reduction,” IEEE Transaction on Power Electronics, vol. 8, no. 4, pp. 546–553, 2018.

Laszlo Huber, Liu Gang, Milan M. Jovanovic, “Design-oriented analysis and performance evaluation of Buck PFC Front End”, IEEE Transactions on Power Electronics, vol. 25, no. 1, pp. 85-94, 2010.

V. Vorpérian, “Synthesis of medium voltage dc-to-dc converters from low voltage, high-frequency PWM switching converters”, IEEE Transaction on Power Electroics. vol. 22, no. 5, pp. 1619-1635, 2007.

Martin F. Schlecht, Leo F. Casey, “Comparison of the square-wave and Quasi-Resonant Topologies”, IEEE Transactions on power electronics, vol.3, no.1, pp.83-92, 1988.

Kuldeep jayaswal, D.K.Palwalia, Gaurav jain, Prakash kumar, “Design-Oriented Analysis of Non-Isolated DC-DC Buck Converter”, Ciência e Técnica Vitivinícola Journal, vol. 30, no. 2, pp. 177-213, 2015.

G. Chen, Y. Deng, X. He, Y. Wang, and J. Zhang, “Zero-voltage-switching buck converter with low-voltage stress using coupled inductor,” IET Power Electronics , vol. 9, no. 4, pp. 719-727, 2015.

N. Mohan, T.M. Undeland and W.P. Robbins, ‘‘Power electronics: converters, applications, and design, John Wiley and Sons, 2002, 3rd edn.

T. W. Ching and K. U. Chan, “Review of Soft-Switching Techniques for High-Frequency Switched-Mode Power Converters,”, IEEE Vehicle Power and Propulsion Conference (VPPC), Harbina, China, pp. 1-6, September 2008.

P. H. Si, “Characterization of Hard- and Soft-Switching,” IEEE Transaction on Power Electronics, vol. 49, no. 9, pp. 1648–1656, 2002.

F. Mihali, “Conductive EMI Reduction in DC-DC Converters by Using the Randomized PWM,” IEEE ISIE, Dubrovnik, Croatia, pp. 809-814, November 2005.

C. Chiang, C. Chen, S. Member, and A. Abstract, “Zero-Voltage-Switching Control for a PWM Buck Converter Under DCM / CCM Boundary,” IEEE Transaction on Power Electronics, vol. 24, no. 9, pp. 2120–2126, 2009.

T. Wu, S. Member, S. Liang, and S. Member, “A Systematic Approach to Developing Single-Stage Soft Switching PWM Converters,” IEEE Transaction on Power Electronics vol. 16, no. 5, pp. 581–593, September 2001.

B. Lin, S. Member, H. Chiang, C. Chen, and C. Huang, “Implementation of the Soft Switching DC / DC Converter,” 2nd IEEE Conference on Industrial Electronics and Applications , 2007, pp. 320–325, September 2007.

W. Lee, Di Han, Casey Morris, Bulent Sarlioglu, “Minimizing Switching Losses in High Switching Frequency GaN-based Synchronous Buck Converter with Zero-Voltage Resonant-Transition Switching,” 9th International Conference on Power Electronics-ECCE Asia, 2015 / 63 Convention Center, Seoul, Korea pp. 233–239, June 2015.

N. Z. Y, K. M. B, M. Awan, “Experimental analysis of a new zero-voltage switching synchronous rectifier buck converter,” IET Power Electronics no., vol. 4, no. 7, pp. 793–798, 2010.

G. Yanik and E. Isen, “Quasi - Resonant Full - Wave Zero - Current Switching Buck Converter Design , Simulation and Application,” Balkan Journal of Electrical & Computer, vol. 1, no. 2, 2013.

M. Salem, A. Jusoh, N. R. N. Idris, and I. Alhamrouni, “Performance Study of Series Resonant Converter Using Zero Voltage Switching,” IEEE Conference on Energy Conversion (CENCON), 2014, Johor Bahru, Malaysia, pp. 96–100, December 2014.

S. R. K. P and G. J. P, “Buck Converter Using Soft Switching PWM Converter with Current Sharing in Switches,” International Journal of Engineering and Innovative Technology (IJEIT), vol. 2, no. 10, pp. 47–50, 2013.

K Liu and Y Lee, “Zero-Voltage Switching Technique in DC-DC Converters,” IEEE Trans. Power Electron., vol. 5, no. 3, pp. 293–304, 1990.

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