Single-Switch Buck Converter with a Ripple-Free Inductor Current

Hyun-Lark Do

Single-Switch Buck Converter with a Ripple-Free Inductor Current

Hyun-Lark Do

Vol. 11, No. 4, pp. 507-511, Jul. 2011

10.6113/JPE.2011.11.4.507

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Abstract

This paper presents a single-switch buck converter with a ripple-free inductor current. In the proposed converter, the filter inductor current ripple is completely removed by utilizing an auxiliary circuit consisting of an additional winding of the filter inductor, an auxiliary inductor, and an auxiliary capacitor. Moreover, the ripple-free current characteristic is maintained under both light load and full load conditions. The theoretical analysis and performance of the proposed converter were verified with a 110W experimental prototype operating at a 107 kHz switching frequency.

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Cite this article

[IEEE Style]

H. Do, "Single-Switch Buck Converter with a Ripple-Free Inductor Current," Journal of Power Electronics, vol. 11, no. 4, pp. 507-511, 2011. DOI: 10.6113/JPE.2011.11.4.507.

[ACM Style]

Hyun-Lark Do. 2011. Single-Switch Buck Converter with a Ripple-Free Inductor Current. Journal of Power Electronics, 11, 4, (2011), 507-511. DOI: 10.6113/JPE.2011.11.4.507.