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US06794911B2 Charge-pump circuit for charge-share suppression 失效
电荷泵电路用于充电分压抑制

  • Patent Title: Charge-pump circuit for charge-share suppression
  • Patent Title (中): 电荷泵电路用于充电分压抑制
  • Application No.: US10386555
    Application Date: 2003-03-13
  • Publication No.: US06794911B2
    Publication Date: 2004-09-21
  • Inventor: Yu-Jen Chang
  • Applicant: Yu-Jen Chang
  • Priority: TW91110909A 20020523
  • Main IPC: H03L706
  • IPC: H03L706
Charge-pump circuit for charge-share suppression
Abstract:
A charge-pump circuit for charge-share suppression. A first switching element is coupled between a first connecting node and an output terminal. A first load receives a current from a first current source and outputs an output voltage at the output terminal when the first switching element is in “On” state. A status of a second switching element is controlled by the input signal and opposite to the status of the first switching elements A second current source is coupled to the second switching element through a second connecting node. A second load receives the output voltage when the second switching element is in “On” state. A first feedback circuit maintains a constant relation between the output voltage and a voltage of the first node. A second feedback circuit maintains a constant relation between the output voltage and a voltage of the second node.
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