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      Very low frequency supercapacitor techniques to improve the end-to-end efficiency of DC-DC converters based on commercial off the shelf LDOs

      Kularatna, Nihal; Fernando, Jayathu; Kankanamge, Kosala; Tilakaratna, L.
      DOI
       10.1109/IECON.2010.5675032
      Link
       ieeexplore.ieee.org
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      Citation
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      Kularatna, N., Fernando, J., Kankanamge, K. & Tilakaratna, L. (2010). Very low frequency supercapacitor techniques to improve the end-to-end efficiency of DC-DC converters based on commercial off the shelf LDOs. In Proceedings of IECON 2010: 36th Annual Conference on IEEE Industrial Electronics Society, 7-10 November 2010, Glendale, AZ (pp. 721-726). Washington DC, USA: IEEE.
      Permanent Research Commons link: https://hdl.handle.net/10289/5070
      Abstract
      Given the advantages of linear regulator techniques, low dropout regulator ICs are frequently used in portable consumer electronics. Only disadvantage in linear regulators, low efficiency, can be overcome by a very low frequency supercapacitor energy recovery technique to achieve efficiencies similar to common switching regulator techniques. This technique was successfully applied in a 12 V to 5 V regulator. The article provides some generalized theoretical background and different supercapacitor circulating options which can be applied to different cases of linear regulators.
      Date
      2010
      Type
      Conference Contribution
      Publisher
      IEEE
      Collections
      • Science and Engineering Papers [3019]
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