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oai:recercat.cat:2117/1019042026-02-07T09:36:48Zcom_2072_1033col_2072_452950

On modeling of linear-assisted DC-DC voltage regulators Sedaghati, Nasima Martínez García, Herminio Cosp Vilella, Jordi Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits Universitat Politècnica de Catalunya. CETpD -Centre d'Estudis Tecnològics per a l'Atenció a la Dependència i la Vida Autònoma Àrees temàtiques de la UPC::Enginyeria electrònica DC-to-DC converters Power electronics DC-DC Converters LDO Regulator MATLAB/SIMULINK Power Electronics. Convertidors continu-continu Electrònica de potència This paper presents the modeling of linear-assisted DC-DC regulators. This kind of voltage regulators consists of a switching converter together with a classic or LDO (low dropout) linear voltage regulator. While the linear regulator provides the constant output voltage, the switching converter conducts nearly all the current provided in the output load, and keeping the regulator current close to zero where the higher efficiency is achieved. However, the circuit could be unstable due to some critical parameters such as parasitic output capacitance; as a consequence, the mathematical modeling is obtained to study and corroborate the stability of the whole system. Peer Reviewed Postprint (published version) 2016 Conference report Sedaghati, N., Martinez, H., Cosp, J. On modeling of linear-assisted DC-DC voltage regulators. A: Conference on Design of Circuits and Integrated Systems. "2016 Conference on design of circuits and integrated systems (DCIS)". Granada: 2016, p. 1-4. https://hdl.handle.net/2117/101904 10.1109/DCIS.2016.7845362 eng http://ieeexplore.ieee.org/Xplore/home.jsp http://creativecommons.org/licenses/by-nc-nd/3.0/es/ Restricted access - publisher's policy 4 p. application/pdf