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    Increasing switching speed of bipolar circuit for charge pump by clamping transistors to prevent saturation
    2.
    发明专利
    Increasing switching speed of bipolar circuit for charge pump by clamping transistors to prevent saturation 未知

    公开(公告)号：GB2312576A

    公开(公告)日：1997-10-29

    申请号：GB9608616

    申请日：1996-04-24

    Applicant: MOTOROLA INC

    Inventor： HUYNH-LUONG THIEN ,  LEHNING HEINZ

    IPC: H02M3/07 ,  H03K17/0422 ,  H03K17/615

    Abstract: A bipolar switch arrangement (100) for coupling to a switched capacitor has a switched node (110) and first (122) and second (160) bipolar switches coupled to switch the node (110) between a first and a second voltage. A voltage-current converter (140) is coupled to control the first and second bipolar switches (122,160) such that they are in antiphase. First and second clamping networks (120,130) are coupled between the first and second switches (122, 160) respectively and the voltage-current converter (140). In this way the first and second clamping networks (120,130) are arranged for clamping the first and second bipolar switches (122, 160) respectively, thus preventing saturation and improving current regulation of the arrangement (100).

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