• DocumentCode
    64002
  • Title

    AC-DC converter using VGS-multiplier circuit for LED lighting applications

  • Author

    Park, C. ; Jang, K. ; Woo, Seongsu ; Yu, Haoyong ; Lee, Jeyull ; Choi, Jang-Young

  • Author_Institution
    Electr. & Comput. Eng., Univ. of Seoul, Seoul, South Korea
  • Volume
    49
  • Issue
    16
  • fYear
    2013
  • fDate
    Aug. 1 2013
  • Firstpage
    984
  • Lastpage
    985
  • Abstract
    A floating-voltage DC source is proposed for simple AC-DC conversion. A conventional VGS-multiplier circuit is modified with an additional control current signal in order to achieve variable output voltage. By modulating this control signal, the output voltage can track the input one so that the difference between the input and output voltages can be maintained to be constant with respect to varying the rectified input voltage. The proposed circuit is easily adopted for driving a light-emitting diode (LED) string, which provides a cost-effective solution for LED lighting applications.
  • Keywords
    AC-DC power convertors; DC-DC power convertors; light emitting diodes; lighting; voltage multipliers; AC-DC conversion; AC-DC converter; LED lighting applications; control current signal; floating-voltage DC source; light-emitting diode string; variable output voltage; voltage multiplier circuit;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el.2013.1290
  • Filename
    6571484
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=64002