Resonant CLL Non-Inverting Buck-Boost Converter

Masoud Jabbari; Saead Sharifi; Ghazanfar Shahgholian

Resonant CLL Non-Inverting Buck-Boost Converter

Masoud Jabbari

Saead Sharifi

Ghazanfar Shahgholian

Vol. 13, No. 1, pp. 1-8, Jan. 2013

10.6113/JPE.2013.13.1.1

Non-inverting buck-boost

Resonant power conversions

Soft-switching

ZCS

Power supply

PDF

Abstract

This paper presents a resonant non-inverting buck-boost converter in which all switches operate under ZCS conditions. In a symmetric configuration, a CLL resonant tank along with an inverter arm and a rectifying diode are employed. The diode is turned off at ZCS and hence the problem of its reverse recovery is obviated also. As a result switching losses and EMI are reduced and switching frequency can be increased. The converter can work at DCM and CCM depend on the switching frequency and the load-current. Experimental results from a 200W/200KHz laboratory prototype verify operation of the proposed converter and the presented theoretical analysis.

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Cite this article

[IEEE Style]

M. Jabbari, S. Sharifi, G. Shahgholian, "Resonant CLL Non-Inverting Buck-Boost Converter," Journal of Power Electronics, vol. 13, no. 1, pp. 1-8, 2013. DOI: 10.6113/JPE.2013.13.1.1.

[ACM Style]

Masoud Jabbari, Saead Sharifi, and Ghazanfar Shahgholian. 2013. Resonant CLL Non-Inverting Buck-Boost Converter. Journal of Power Electronics, 13, 1, (2013), 1-8. DOI: 10.6113/JPE.2013.13.1.1.