Patents by Inventor Jung Duk SUH

Jung Duk SUH 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).

  • Patent number: 11296600
    Abstract: The present disclosure relates to a buck converter which includes a voltage converter configured to convert an input voltage into an output voltage by a driving signal, a compensator configured to generate an error compensation signal by receiving a feedback signal defined from the output voltage, an active ramp controller configured to generate a ramp signal by adjusting a ramp bias voltage when load transient occurs, and an output voltage controller configured to adjust the output voltage using the ramp signal and the error compensation signal.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 5, 2022
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun Kong, Jung Duk Suh
  • Patent number: 10972095
    Abstract: A PWM buck converter includes a first P-type transistor having a drain terminal connected to a first node, a first N-type transistor having a drain terminal connected to the first node, and a gate driver configured to apply a first gate voltage to a first gate terminal of the first P-type transistor and apply a second gate voltage to a second gate terminal of the first N-type transistor. The gate driver includes a first buffer configured to generate the first gate voltage applied to the gate terminal of the first P-type transistor, a second buffer configured to generate the second gate voltage applied to the gate terminal of the first N-type transistor, and a capacitor configured to accumulate a portion of electrical charges supplied from the first buffer to the first P-type transistor, and supply the accumulated electrical charges to the gate terminal of the first N-type transistor.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 6, 2021
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun Kong, Jung Duk Suh
  • Publication number: 20210006245
    Abstract: A PWM buck converter includes a first P-type transistor having a drain terminal connected to a first node, a first N-type transistor having a drain terminal connected to the first node, and a gate driver configured to apply a first gate voltage to a first gate terminal of the first P-type transistor and apply a second gate voltage to a second gate terminal of the first N-type transistor. The gate driver includes a first buffer configured to generate the first gate voltage applied to the gate terminal of the first P-type transistor, a second buffer configured to generate the second gate voltage applied to the gate terminal of the first N-type transistor, and a capacitor configured to accumulate a portion of electrical charges supplied from the first buffer to the first P-type transistor, and supply the accumulated electrical charges to the gate terminal of the first N-type transistor.
    Type: Application
    Filed: June 29, 2020
    Publication date: January 7, 2021
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun KONG, Jung Duk SUH
  • Publication number: 20200266707
    Abstract: The present disclosure relates to a buck converter which includes a voltage converter configured to convert an input voltage into an output voltage by a driving signal, a compensator configured to generate an error compensation signal by receiving a feedback signal defined from the output voltage, an active ramp controller configured to generate a ramp signal by adjusting a ramp bias voltage when load transient occurs, and an output voltage controller configured to adjust the output voltage using the ramp signal and the error compensation signal.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 20, 2020
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Bai Sun KONG, Jung Duk SUH