Patents by Inventor Charles Yeoh

Charles Yeoh 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).

  • Feedback for controlling the switching frequency of a voltage regulator
    Patent number: 9203301
    Abstract: Disclosed are devices, apparatus, circuitry, components, mechanisms, modules, units, systems, and processes for controlling the switching frequency of a voltage regulator. Frequency monitoring and adjustment circuitry is coupled to sense a switching frequency of a power switch coupled to an output filter of the voltage regulator. The frequency monitoring and adjustment circuitry is configured to provide a frequency adjustment signal based on the sensed switching frequency. Power switch control circuitry is coupled to receive the frequency adjustment signal and is configured to control switching of the power switch based on the frequency adjustment signal.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: December 1, 2015
    Assignee: Volterra Semiconductor Corporation
    Inventors: Joel Tang, Charles Yeoh, Seth Kahn, David Lidsky, Michael McJimsey
  • FEEDBACK FOR CONTROLLING THE SWITCHING FREQUENCY OF A VOLTAGE REGULATOR
    Publication number: 20110316502
    Abstract: Disclosed are devices, apparatus, circuitry, components, mechanisms, modules, units, systems, and processes for controlling the switching frequency of a voltage regulator. Frequency monitoring and adjustment circuitry is coupled to sense a switching frequency of a power switch coupled to an output filter of the voltage regulator. The frequency monitoring and adjustment circuitry is configured to provide a frequency adjustment signal based on the sensed switching frequency. Power switch control circuitry is coupled to receive the frequency adjustment signal and is configured to control switching of the power switch based on the frequency adjustment signal.
    Type: Application
    Filed: June 22, 2011
    Publication date: December 29, 2011
    Applicant: VOLTERRA SEMICONDUCTOR CORPORATION
    Inventors: Joel Tang, Charles Yeoh, Seth Kahn, David Lidsky, Michael McJimsey