Modeling of Switching DC-DC Regulators: Review of Methods and Applications

Abdulmajed O. Elbkosh


DC-DC regulators, linearization, discrete map


To design a control system for any dc-dc converter, it is necessary to model the converter's dynamic behaviour. The modeling and analysis of these converters can be either numerical or analytical. This paper reviews the analytical methods of modeling dc-dc regulators mainly continuous-time averaging technique and discrete-time approach. It shows that the discrete-time approach provides clear expressions representing the operation of dc-dc converters and thus can help designers gain a better understanding of the performance of the converters. The results are shown using numerical simulations.

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