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公开(公告)号：US20180248476A1
公开(公告)日：2018-08-30
申请号：US15445926
申请日：2017-02-28
Applicant: Linear Technology Corporation
Inventor： Barry Harvey
IPC: H02M3/07
Abstract: Methods and systems of reducing a substrate noise in a charge pump having a flying capacitor are provided. An input node of the flying capacitor is pre-charged at a first slew rate. The input node of the flying capacitor is charged at a second slew rate that is faster than the first slew rate. The input node of the flying capacitor is pre-discharged at a third slew rate. The input node of the flying capacitor is discharged at a fourth slew rate that is faster than the first slew rate.
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