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    A high voltage gain sc dc-dc converter based on cross-connected fibonacci-type converter
    (IEEE, 2018) Eguchi, Kei; Pongwatd, Sawai; Fujisaki, Haruka
    For energy harvesting systems, this paper presents a high voltage gain switched-capacitor (SC) converter with cross-connected topology. By cross-connecting two Fibonacci-type DC-DC converters, the proposed SC DC-DC converter provides a high stepped-up voltage which is expressed as a power of two. Unlike conventional converters, the stepped-up voltage is generated in all clock phase. Furthermore, the cross-connected structure provides the reduction of internal resistance and output capacitance. Therefore, small size and efficient energy conversion can be achieved by the proposed converter. The characteristics of the proposed converter were investigated by not only SPICE simulations but also theoretical analysis, where the proposed converter demonstrated high performance such as high voltage gain, small size, high power efficiency, and fast response speed.