Switching power supply circuit having shunt regulator with switchable gain
    1.
    发明授权
    Switching power supply circuit having shunt regulator with switchable gain 有权
    具有分流调节器的开关电源电路,具有可切换增益

    公开(公告)号:US08923020B2

    公开(公告)日:2014-12-30

    申请号:US13824744

    申请日:2012-07-10

    申请人: Takeshi Tazawa

    发明人: Takeshi Tazawa

    IPC分类号: H02M3/335 H02M1/00

    摘要: A switching power supply circuit (101) includes a first rectifier circuit (102) converting an alternate current to a direct current, a switching operator (20), a switching transformer (103) including a primary coil supplied with a switched current and a secondary coil inducing power corresponding to the current, a second rectifier circuit (30) rectifying the power induced by the secondary coil, and a control circuit (40) changing a ratio of a current flowing to a photocoupler (107) to an output voltage from the second rectifier circuit (30) in a standby mode and in a power-on mode to reduce a noise of the switching transformer in each of the modes.

    摘要翻译: 开关电源电路(101)包括将交流电流转换为直流电流的第一整流电路(102),开关操作器(20),开关变压器(103),其包括提供有开关电流的初级线圈和次级 对应于电流的线圈感应功率,对由次级线圈感应的功率进行整流的第二整流电路(30);以及控制电路(40),其将流过光电耦合器(107)的电流的比率改变为 第二整流器电路(30)处于待机模式并且处于通电模式,以在每个模式中降低开关变压器的噪声。

    SWITCHING POWER SUPPLY CIRCUIT
    2.
    发明申请
    SWITCHING POWER SUPPLY CIRCUIT 有权
    切换电源电路

    公开(公告)号:US20140185332A1

    公开(公告)日:2014-07-03

    申请号:US13824744

    申请日:2012-07-10

    申请人: Takeshi Tazawa

    发明人: Takeshi Tazawa

    IPC分类号: H02M3/335

    摘要: A switching power supply circuit (101) includes a first rectifier circuit (102) converting an alternate current to a direct current, a switching operator (20), a switching transformer (103) including a primary coil supplied with a switched current and a secondary coil inducing power corresponding to the current, a second rectifier circuit (30) rectifying the power induced by the secondary coil, and a control circuit (40) changing a ratio of a current flowing to a photocoupler (107) to an output voltage from the second rectifier circuit (30) in a standby mode and in a power-on mode to reduce a noise of the switching transformer in each of the modes.

    摘要翻译: 开关电源电路(101)包括将交流电流转换为直流电流的第一整流电路(102),开关操作器(20),开关变压器(103),其包括提供有开关电流的初级线圈和次级 对应于电流的线圈感应功率,对由次级线圈感应的功率进行整流的第二整流电路(30);以及控制电路(40),其将流过光电耦合器(107)的电流的比率改变为 第二整流器电路(30)处于待机模式并且处于通电模式,以在每个模式中降低开关变压器的噪声。