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公开(公告)号：US10476383B2
公开(公告)日：2019-11-12
申请号：US16012410
申请日：2018-06-19
Applicant: STMicroelectronics SA
Inventor： Thierry Di Gilio
Abstract: The disclosure relates to a negative charge pump circuit including a first capacitor; a first selector switch; a second selector switch; and a control circuit designed to, in a first phase of operation, alternately control the first and second selector switches in a first configuration in which the first and second electrodes of the first capacitor are respectively linked to the first and second nodes and in a second configuration in which the first and second electrodes of the first capacitor are respectively linked to the second and third nodes. In a second phase of operation, the control circuit forces the first selector switch to link the first electrode of the first capacitor to the second node and control the second selector switch so as to alternately link the second electrode of the first capacitor to the second and to the third node.
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公开(公告)号：US20180375428A1
公开(公告)日：2018-12-27
申请号：US16012410
申请日：2018-06-19
Applicant: STMicroelectronics SA
Inventor： Thierry Di Gilio
Abstract: The disclosure relates to a negative charge pump circuit including a first capacitor; a first selector switch; a second selector switch; and a control circuit designed to, in a first phase of operation, alternately control the first and second selector switches in a first configuration in which the first and second electrodes of the first capacitor are respectively linked to the first and second nodes and in a second configuration in which the first and second electrodes of the first capacitor are respectively linked to the second and third nodes. In a second phase of operation, the control circuit forces the first selector switch to link the first electrode of the first capacitor to the second node and control the second selector switch so as to alternately link the second electrode of the first capacitor to the second and to the third node.
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