A new generation of switching regulators inbedding an LC3 modulator (limit cycle conductance controller) is analysed and optimized from the point of view of dynamic performances. This is done by application of the current injected technique to the power stage model which is shown to behave like a first order system for low frequency perturbations. The optimization is carried out by specification of the desired closed loop modes of the system and calculation of the appropriate state variable feedback gains. The correctness of both the analytical model and optimisation procedure is verified by breadboard dynamic measurements.

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