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Design of an on-chip hybrid DC-DC converter
Martínez García, Herminio
Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. EPIC - Disseny de circuits analògics integrats i de convertidors de potencia conmutats
This paper shows the design of a hybrid on-chip VLSI DC-DC converter for low to medium integrated circuit power consumption that combines a switching and a linear regulator in parallel. The main goal is to take the best of both approaches, obtaining good power efficiency as in switching converters with small voltage output ripple as in linear converters. While the switching regulator is used to drive most of the load current, the linear regulator supplies the required current to filter out the steady state ripple due to inductor switching without the need of a filtering output capacitor. In addition, the latter regulator supplies the required current when the load changes abruptly and the inductor current is momentarily insufficient. The design has been tested with simulations using a standard 180 nm CMOS technology showing good performance.
Àrees temàtiques de la UPC::Enginyeria electrònica
DC-to-DC converters
DC-DC converter
hybrid regulator
VLSI design
power electronics
first-generation current conveyor (CCI).
Convertidors continu-continu
Attribution-NonCommercial-NoDerivs 3.0 Spain
Universitat Rovira i Virgili

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