Patents by Inventor Marc Tiu

Marc Tiu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Low drop out (LDO) bypass voltage regulator
    Patent number: 8080983
    Abstract: A power element bypass and voltage regulation circuit shutdown is used in a low drop out (LDO) bypass voltage regulator to minimize current drawn by the voltage regulator circuit when the supply input voltage approaches the regulated output voltage of the voltage regulation circuit. Two modes of operation are used in the low drop out (LDO) bypass voltage regulator. A regulate mode is used when the supply input voltage is greater than the reference voltage input, and a track mode is used when the supply input voltage is less than or equal to approximately the regulated output voltage of the voltage regulation circuit. Hysteresis may be introduced when switching between the regulate and track modes of operation.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: December 20, 2011
    Assignee: Microchip Technology Incorporated
    Inventors: Ruan Lourens, Razvan Enachescu, Marc Tiu
  • Low Drop Out (LDO) Bypass Voltage Regulator
    Publication number: 20100109624
    Abstract: A power element bypass and voltage regulation circuit shutdown is used in a low drop out (LDO) bypass voltage regulator to minimize current drawn by the voltage regulator circuit when the supply input voltage approaches the regulated output voltage of the voltage regulation circuit. Two modes of operation are used in the low drop out (LDO) bypass voltage regulator. A regulate mode is used when the supply input voltage is greater than the reference voltage input, and a track mode is used when the supply input voltage is less than or equal to approximately the regulated output voltage of the voltage regulation circuit. Hysteresis may be introduced when switching between the regulate and track modes of operation.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Inventors: Ruan Lourens, Razvan Enachescu, Marc Tiu