公开(公告)号：US20110316518A1

公开(公告)日：2011-12-29

申请号：US13160308

申请日：2011-06-14

申请人： Chieh-Min Feng ,  Ting-Hung Wang ,  Chung-Sheng Cheng ,  Jian-Rong Huang

发明人： Chieh-Min Feng ,  Ting-Hung Wang ,  Chung-Sheng Cheng ,  Jian-Rong Huang

IPC分类号： G05F1/46

CPC分类号： H02M3/156 ,  H02M2001/0032 ,  Y02B70/16

摘要： The present invention discloses a voltage regulator, and a control circuit and a control method therefor. The method for controlling a voltage regulator comprises: receiving a dynamic voltage identification signal which instructs the voltage regulator to change its output voltage to a target voltage, and generating a compensation signal to shorten an interval for the output voltage of the voltage regulator to reach the target voltage.

摘要翻译： 本发明公开了一种电压调节器及其控制电路及其控制方法。 用于控制电压调节器的方法包括：接收动态电压识别信号，其指示电压调节器将其输出电压改变到目标电压，并产生补偿信号以缩短电压调节器的输出电压的间隔以达到 目标电压。

公开(公告)号：US07298214B2

公开(公告)日：2007-11-20

申请号：US11154759

申请日：2005-06-15

申请人： Chao-Cheng Lee ,  Tzung-Ming Chen ,  Chieh-Min Feng

发明人： Chao-Cheng Lee ,  Tzung-Ming Chen ,  Chieh-Min Feng

IPC分类号： H03F3/04

CPC分类号： H03G3/004 ,  H02M3/07 ,  H03F1/0238 ,  H03F2200/435 ,  H03G1/0088 ,  H03G3/3042

摘要： An amplifying circuit with a variable supply voltage and a method thereof are disclosed. The amplifying circuit employs a voltage converter to adjust the supply voltage, thereby upgrading the energy efficiency of the circuit. The circuit also includes a control device, which can generate a control signal for controlling the voltage converter according to an output signal or input signal of the circuit.

摘要翻译： 公开了具有可变电源电压的放大电路及其方法。 放大电路采用电压转换器来调节电源电压，从而提高电路的能量效率。 电路还包括控制装置，其可以根据电路的输出信号或输入信号产生用于控制电压转换器的控制信号。

公开(公告)号：US08159805B2

公开(公告)日：2012-04-17

申请号：US12453447

申请日：2009-05-12

申请人： Chieh-Min Feng ,  Ting-Hung Wang

发明人： Chieh-Min Feng ,  Ting-Hung Wang

IPC分类号： H02H3/22

CPC分类号： H02M3/156

摘要： A quick response mechanism for a switching power system includes a detector and an adjustor connected to the detector. The detector is configured to directly monitor the drop of the output voltage of the switching power system so that a quick response could be immediately triggered when a load transient occurs. The adjustor is configured to adjust the duration of the quick response, thereby preventing the output voltage from undershoot or ringback.

摘要翻译： 用于开关电源系统的快速响应机构包括检测器和连接到检测器的调节器。 检测器被配置为直接监视开关电源系统的输出电压的下降，使得当负载瞬变发生时可以立即触发快速响应。 调整器配置为调整快速响应的持续时间，从而防止输出电压下冲或回铃。

公开(公告)号：US20110291629A1

公开(公告)日：2011-12-01

申请号：US13208787

申请日：2011-08-12

申请人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

发明人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

IPC分类号： G05F1/10

CPC分类号： H02M3/1588 ,  Y02B70/1466

摘要： The present invention discloses a switching regulator eliminating beat oscillation, comprising: a first transistor, a second transistor, and an inductor connected to a common node, wherein the first and second transistors operate to convert an input voltage to an output voltage; a comparator comparing a voltage signal with a saw tooth wave to generate a control signal controlling at least one of the first and second transistors; a feedback loop obtaining a feedback signal from the output voltage and generating the voltage signal according to the feedback signal; and an inductorless filter circuit located in the feedback loop for filtering a predetermined frequency band.

摘要翻译： 本发明公开了一种消除拍频的开关调节器，包括：第一晶体管，第二晶体管和连接到公共节点的电感器，其中第一和第二晶体管用于将输入电压转换为输出电压; 比较电压信号和锯齿波的比较器，以产生控制所述第一和第二晶体管中的至少一个晶体管的控制信号; 反馈环路，从所述输出电压获得反馈信号，并根据所述反馈信号产生所述电压信号; 以及位于反馈回路中用于滤波预定频带的无电感器滤波器电路。

公开(公告)号：US08049478B2

公开(公告)日：2011-11-01

申请号：US12587161

申请日：2009-10-02

申请人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

发明人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

IPC分类号： G05F1/00

CPC分类号： H02M3/1588 ,  Y02B70/1466

摘要： The present invention discloses a switching regulator eliminating beat oscillation, comprising: a first transistor, a second transistor, and an inductor connected to a common node, wherein the first and second transistors operate to convert an input voltage to an output voltage; a comparator comparing a voltage signal with a saw tooth wave to generate a control signal controlling at least one of the first and second transistors; a feedback loop obtaining a feedback signal from the output voltage and generating the voltage signal according to the feedback signal; and an inductorless filter circuit located in the feedback loop for filtering a predetermined frequency band.

摘要翻译： 本发明公开了一种消除拍频的开关调节器，包括：第一晶体管，第二晶体管和连接到公共节点的电感器，其中第一和第二晶体管用于将输入电压转换为输出电压; 比较电压信号和锯齿波的比较器，以产生控制所述第一和第二晶体管中的至少一个晶体管的控制信号; 反馈环路，从所述输出电压获得反馈信号，并根据所述反馈信号产生所述电压信号; 以及位于反馈回路中用于滤波预定频带的无电感器滤波器电路。

公开(公告)号：US20100156370A1

公开(公告)日：2010-06-24

申请号：US12587161

申请日：2009-10-02

申请人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

发明人： Kuo-Lung Tseng ,  Wei-How Chan ,  Chieh-Min Feng

IPC分类号： G05F1/10

CPC分类号： H02M3/1588 ,  Y02B70/1466

摘要： The present invention discloses a switching regulator eliminating beat oscillation, comprising: a first transistor, a second transistor, and an inductor connected to a common node, wherein the first and second transistors operate to convert an input voltage to an output voltage; a comparator comparing a voltage signal with a saw tooth wave to generate a control signal controlling at least one of the first and second transistors; a feedback loop obtaining a feedback signal from the output voltage and generating the voltage signal according to the feedback signal; and an inductorless filter circuit located in the feedback loop for filtering a predetermined frequency band.

摘要翻译： 本发明公开了一种消除拍频的开关调节器，包括：第一晶体管，第二晶体管和连接到公共节点的电感器，其中第一和第二晶体管用于将输入电压转换为输出电压; 比较电压信号和锯齿波的比较器，以产生控制所述第一和第二晶体管中的至少一个晶体管的控制信号; 反馈环路，从所述输出电压获得反馈信号，并根据所述反馈信号产生所述电压信号; 以及位于反馈回路中用于滤波预定频带的无电感器滤波器电路。

公开(公告)号：US20090284239A1

公开(公告)日：2009-11-19

申请号：US12453447

申请日：2009-05-12

申请人： Chieh-Min Feng ,  Ting-Hung Wang

发明人： Chieh-Min Feng ,  Ting-Hung Wang

IPC分类号： G05F1/618

CPC分类号： H02M3/156

摘要： A quick response mechanism for a switching power system includes a detector and an adjustor connected to the detector. The detector is configured to directly monitor the drop of the output voltage of the switching power system so that a quick response could be immediately triggered when a load transient occurs. The adjustor is configured to adjust the duration of the quick response, thereby preventing the output voltage from undershoot or ringback.

摘要翻译： 用于开关电源系统的快速响应机构包括检测器和连接到检测器的调节器。 检测器被配置为直接监视开关电源系统的输出电压的下降，使得当负载瞬变发生时可以立即触发快速响应。 调整器配置为调整快速响应的持续时间，从而防止输出电压下冲或回铃。

公开(公告)号：US07598798B2

公开(公告)日：2009-10-06

申请号：US11826455

申请日：2007-07-16

申请人： Chieh-Min Feng

发明人： Chieh-Min Feng

IPC分类号： G05F3/08 ,  H03K17/18

CPC分类号： G11C5/147

摘要： A trimmer device for adjusting a reference signal of a target circuit is disclosed. The trimmer device includes: a switch controlling module and an impedance adjustment circuit. The switch controlling module includes: a fuse, selectively being melted according to the reference signal; and a control signal generating circuit, for generating a control signal according to the melting condition of the fuse. The impedance adjustment circuit includes: a switch module, being selectively conductive according to the control signal; and an impedance network, for determining an equivalent impedance of the impedance network according to the conducting condition of the switch module to further adjust the reference signal.

摘要翻译： 公开了一种用于调整目标电路的参考信号的微调装置。 修剪器装置包括：开关控制模块和阻抗调节电路。 开关控制模块包括：熔丝，根据参考信号有选择地熔化; 以及控制信号发生电路，用于根据熔丝的熔化条件产生控制信号。 阻抗调整电路包括：开关模块，根据控制信号有选择地导通; 以及阻抗网络，用于根据开关模块的导通条件来确定阻抗网络的等效阻抗，以进一步调整参考信号。

公开(公告)号：US20090200998A1

公开(公告)日：2009-08-13

申请号：US12384496

申请日：2009-04-06

申请人： Chieh-Min Feng ,  Kuo-Lung Tseng ,  Jian-Rong Huang ,  Wei-How Chan

发明人： Chieh-Min Feng ,  Kuo-Lung Tseng ,  Jian-Rong Huang ,  Wei-How Chan

IPC分类号： G05F1/10

CPC分类号： H02M3/156 ,  H02M2001/0032 ,  Y02B70/16

摘要： The present invention discloses a buck switching regulator with improved mode transition, and a method for controlling a buck switching regulator. The method comprises: providing a switching regulator including: an output power stage for converting an input voltage to an output voltage, the output power stage being controlled by a first PWM signal during a fixed-frequency PWM mode (FPWM mode), and being controlled by a first voltage signal during a pulse skipping mode (PSK mode), wherein the first PWM signal is generated according to the first voltage signal; and in a transition from the PSK mode to the FPWM mode, proving a second voltage signal as a starting point of the first voltage signal, the second voltage signal being substantially close to a target of the first voltage signal in the FPWM mode.

摘要翻译： 本发明公开了一种具有改进的模式转换的降压开关调节器和一种用于控制降压开关调节器的方法。 该方法包括：提供开关调节器，其包括：输出功率级，用于将输入电压转换为输出电压，输出功率级在固定频率PWM模式（FPWM模式）期间由第一PWM信号控制，并被控制 通过在脉冲跳过模式（PSK模式）期间的第一电压信号，其中根据第一电压信号产生第一PWM信号; 并且在从PSK模式到FPWM模式的转变中，证明第二电压信号作为第一电压信号的起始点，第二电压信号基本上接近FPWM模式中的第一电压信号的目标。

公开(公告)号：US07564306B2

公开(公告)日：2009-07-21

申请号：US11808869

申请日：2007-06-13

申请人： Chao-Cheng Lee ,  Chieh-Min Feng

发明人： Chao-Cheng Lee ,  Chieh-Min Feng

IPC分类号： H03F3/45

CPC分类号： H03F3/45475 ,  H03F1/08 ,  H03F1/086 ,  H03F3/45946 ,  H03F2200/153 ,  H03F2203/45074 ,  H03F2203/45082 ,  H03F2203/45114 ,  H03F2203/45118 ,  H03F2203/45134 ,  H03F2203/45136 ,  H03F2203/45418 ,  H03F2203/45424

摘要： A common-mode feedback circuit is provided. An amplifier with a common-mode feedback circuit is compensated by adding a compensating unit so that the amplifier totally has two poles and one zero in its frequency response. Accordingly, the gain of the amplifier is not sacrificed, and both the stability and the phase margin of the circuit are improved.

摘要翻译： 提供了共模反馈电路。 具有共模反馈电路的放大器通过添加补偿单元来补偿，使得放大器在其频率响应中总共具有两个极点和一个零点。 因此，不牺牲放大器的增益，并且提高了电路的稳定性和相位裕度。