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The electrothermal macromodel of switching voltage regulators from the L4970 family. (English) Zbl 1214.78009

Summary: The paper concerns the problem of modelling switching voltage regulators from the L4970 family in SPICE with the phenomenon of self-heating taken into account. The way of formulating the electrothermal macromodel of this class of circuits and its form are presented. The correctness of the formulated macromodel is verified experimentally on the example of the regulator L4975 operating in the switching stabilizer with the buck converter.

MSC:

78A55 Technical applications of optics and electromagnetic theory
80A20 Heat and mass transfer, heat flow (MSC2010)
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