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        A robust high-efficiency cross-coupled charge pump circuit without blocking transistors

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        Ma_et_al_blocking_transistors_accepted_manuscript.pdf (PDF, 1Mb)
        Author
        Ma, Minglin
        Cai, Xinglong
        Sun, Yichuang
        George, Nike
        Attention
        2299/20885
        Abstract
        A fully integrated cross-coupled charge pump circuit with a new clock scheme has been presented in this paper. The new clock scheme ensures that all NMOS pre-charge transistors are turned off when the voltages of main clock signals are high. Notably, all PMOS transfer transistors will be turned off when the voltages of the main clock signals are low. As a result, the charge pump eliminates all of the reversion power loss and reduces the ripple voltage. The proposed charge pump has a better performance even in scenarios where the main clock signals are mismatched. The proposed charge pump circuit was simulated using spectre in the TSMC 0.18 µm CMOS process. The simulation results show that the proposed charge pump circuit has a high voltage conversion efficiency and low ripple voltage.
        Publication date
        2018-06-01
        Published in
        Analog Integrated Circuits and Signal Processing
        Published version
        https://doi.org/10.1007/s10470-018-1149-x
        Other links
        http://hdl.handle.net/2299/20885
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