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公开(公告)号：US20230396163A1
公开(公告)日：2023-12-07
申请号：US18139953
申请日：2023-04-27
Applicant: Airoha Technology Corp.
Inventor： Jui-Hung Wei , Han-Chi Chiu , En-Yang Lin , John-San Yang
Abstract: A feedback control circuit of a pulse-frequency modulation (PFM) converter includes a multiplexer circuit and a detection circuit. The multiplexer circuit is arranged to receive a plurality of candidate peak current values, and output one of the plurality of candidate peak current values as a target peak current value according to a selection control signal, wherein a peak current value of an inductor current pulse of the PFM converter is subject to the target peak current value. The detection circuit is arranged to adaptively adjust the selection control signal according to a pulse interval between two successive inductor current pulses of the PFM converter.
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