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公开(公告)号：US11860660B2
公开(公告)日：2024-01-02
申请号：US17732541
申请日：2022-04-29
发明人： Man Pun Chan , Hao-Ping Hong , Yung-Chih Yen , Chien-Hui Wang , Cheng-Hsuan Fan , Jian-Rong Huang
摘要： A sub-circuit of a voltage regulator includes a load condition detection circuit and a controllable circuit. The load condition detection circuit is arranged to detect a load transient frequency of a load powered by the voltage regulator, and generate a control signal according to a detection result of the load transient frequency. The controllable circuit is arranged to receive the control signal, wherein an operational behavior of the controllable circuit dynamically changes in response to the control signal.
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公开(公告)号：US20220390973A1
公开(公告)日：2022-12-08
申请号：US17732541
申请日：2022-04-29
发明人： Man Pun Chan , Hao-Ping Hong , Yung-Chih Yen , Chien-Hui Wang , Cheng-Hsuan Fan , Jian-Rong Huang
摘要： A sub-circuit of a voltage regulator includes a load condition detection circuit and a controllable circuit. The load condition detection circuit is arranged to detect a load transient frequency of a load powered by the voltage regulator, and generate a control signal according to a detection result of the load transient frequency. The controllable circuit is arranged to receive the control signal, wherein an operational behavior of the controllable circuit dynamically changes in response to the control signal.
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公开(公告)号：US12027977B2
公开(公告)日：2024-07-02
申请号：US17718332
申请日：2022-04-12
发明人： Man Pun Chan , Hao-Ping Hong , Yung-Chih Yen
CPC分类号： H02M3/158 , H02M1/0003
摘要： A feedback loop circuit of a voltage regulator includes a voltage extraction circuit and a loop filter circuit. The voltage extraction circuit receives an error voltage signal that is indicative of difference between an output voltage signal and a reference voltage of the voltage regulator, and generates a voltage extraction signal by extracting one representative voltage for one switching cycle of the voltage regulator according to the error voltage signal. The loop filter circuit applies filtering to the voltage extraction signal to set a feedback signal, and output the feedback signal to a controller circuit of the voltage regulator for regulating the output voltage signal.
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公开(公告)号：US20220393587A1
公开(公告)日：2022-12-08
申请号：US17719401
申请日：2022-04-13
发明人： Man Pun Chan , Hao-Ping Hong , Yung-Chih Yen , Chien-Hui Wang , Cheng-Hsuan Fan , Jian-Rong Huang
摘要： A feedback loop circuit of a voltage regulator includes a loadline and a compensation circuit. The loadline generates a feedback signal according to a sensed current signal that provides information of an inductor current of the voltage regulator, and outputs the feedback signal to a controller circuit of the voltage regulator for regulating an output voltage of the voltage regulator. The compensation circuit generates a compensation signal to compensate for a deviation of the output voltage, wherein the feedback signal generated from the loadline is affected by the compensation signal.
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公开(公告)号：US20220337159A1
公开(公告)日：2022-10-20
申请号：US17718332
申请日：2022-04-12
发明人： Man Pun Chan , Hao-Ping Hong , Yung-Chih Yen
摘要： A feedback loop circuit of a voltage regulator includes a voltage extraction circuit and a loop filter circuit. The voltage extraction circuit receives an error voltage signal that is indicative of difference between an output voltage signal and a reference voltage of the voltage regulator, and generates a voltage extraction signal by extracting one representative voltage for one switching cycle of the voltage regulator according to the error voltage signal. The loop filter circuit applies filtering to the voltage extraction signal to set a feedback signal, and output the feedback signal to a controller circuit of the voltage regulator for regulating the output voltage signal.
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