Optimizing a buck voltage regulator and the number of decoupling capacitors for a PDN application
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IEEE
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An optimization methodology to determine the best values of the compensation elements of a buck voltage regulator (VR) as well as the optimal number of decoupling capacitors in a power delivery network (PDN) application is proposed. A state average equivalent circuit model of the buck converter is employed. The proposed optimization methodology gradually finds the best compensation parameter values of a buck converter VR to meet some stability criteria in a PDN application. Additionally, the number of parallel decoupling capacitors in the PDN is minimized to simultaneously meet a frequency-domain impedance profile specification and a time-domain voltage droop requirement.
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Impedance Profile, Noise Control, Power Delivery Network, Power Integrity, Voltage Droop, Voltage Regulator
Citación
A.E. Moreno-Mojica, J.E. Rayas-Sánchez and F.J. Leal-Romo, “Optimizing a buck voltage regulator and the number of decoupling capacitors for a PDN application,” in IEEE MTT-S Latin America Microwave Conf. (LAMC-2021), Cali, Colombia, May 2021, pp. 1-4. DOI: 10.1109/LAMC50424.2021.9601574