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      Supercapacitor assisted low dropout regulators (SCALDO) with reduced switches: A new approach to high efficiency VRM designs

      Kularatna, Nihal; Wickramasinghe, Thilini Chintha Prabha Kumari
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      ISIE 2013 With TW on SCALDO VRM-06563709.pdf
      Accepted version, 574.3Kb
      DOI
       10.1109/ISIE.2013.6563709
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      Kularatna, N., & Wickramasinghe, T. (2013). Supercapacitor assisted low dropout regulators (SCALDO) with reduced switches: A new approach to high efficiency VRM designs. In Industrial Electronics (ISIE), 2013 IEEE International Symposium (pp. 1–6). Washington, DC, USA: IEEE. http://doi.org/10.1109/ISIE.2013.6563709
      Permanent Research Commons link: https://hdl.handle.net/10289/8892
      Abstract
      Supercapacitor assisted low dropout (SCALDO) regulator is a new approach to develop high efficiency DC-DC converters with supercapacitors used for energy recovery. One limitation in these topologies is that in some configurations a large number of low-speed switches are required. If the SCALDO technique is adapted to build voltage regulator modules (VRM), it is necessary to reduce number of switches combined with a high current capable LDO. A new topology-variation with less number of switches can be achieved by reconfiguring the original SCALDO and adding an extra LDO to the circuit. The paper presents a summary of some preliminary work, and experimental results for a 2.5V proof of concept-prototype.
      Date
      2013
      Type
      Conference Contribution
      Publisher
      IEEE
      Rights
      This is an author’s accepted version of a paper published in the Proceedings: Industrial Electronics (ISIE), 2013 IEEE International Symposium. ©2013 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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