Regulator with low dropout voltage and improved output stage
    41.
    发明授权
    Regulator with low dropout voltage and improved output stage 有权
    具有低压差电压和改善输出级的稳压器

    公开(公告)号:US09024602B2

    公开(公告)日:2015-05-05

    申请号:US13848403

    申请日:2013-03-21

    CPC classification number: G05F1/575 G05F1/46

    Abstract: The regulator with low dropout voltage comprises an error amplifier and an output stage comprising an output transistor and a buffer circuit comprising an input connected to the output node of the error amplifier, an output connected to the output transistor, a follower amplifier connected between the input and the output of the buffer circuit. The buffer circuit furthermore comprises a transistor active load connected to the output of the follower amplifier and a negative feedback amplifier arranged in common gate configuration and connected between the output of the follower amplifier and the gate of the transistor of the active load.

    Abstract translation: 具有低压差电压的调节器包括误差放大器和输出级,输出级包括输出晶体管和缓冲电路,缓冲电路包括连接到误差放大器的输出节点的输入端,连接到输出晶体管的输出端,连接在输入端 和缓冲电路的输出。 缓冲电路还包括连接到从动放大器的输出的晶体管有源负载和以公共栅极配置布置并连接在从动放大器的输出端和有源负载晶体管的栅极之间的负反馈放大器。

    REGULATOR WITH LOW DROPOUT VOLTAGE AND IMPROVED OUTPUT STAGE
    42.
    发明申请
    REGULATOR WITH LOW DROPOUT VOLTAGE AND IMPROVED OUTPUT STAGE 审中-公开
    具有低压差电压和改进的输出级的稳压器

    公开(公告)号:US20130257401A1

    公开(公告)日:2013-10-03

    申请号:US13848403

    申请日:2013-03-21

    CPC classification number: G05F1/575 G05F1/46

    Abstract: The regulator with low dropout voltage comprises an error amplifier and an output stage comprising an output transistor and a buffer circuit comprising an input connected to the output node of the error amplifier, an output connected to the output transistor, a follower amplifier connected between the input and the output of the buffer circuit. The buffer circuit furthermore comprises a transistor active load connected to the output of the follower amplifier and a negative feedback amplifier arranged in common gate configuration and connected between the output of the follower amplifier and the gate of the transistor of the active load.

    Abstract translation: 具有低压差电压的调节器包括误差放大器和输出级,输出级包括输出晶体管和缓冲电路,缓冲电路包括连接到误差放大器的输出节点的输入端,连接到输出晶体管的输出端,连接在输入端 和缓冲电路的输出。 缓冲电路还包括连接到从动放大器的输出的晶体管有源负载和以公共栅极配置布置并连接在从动放大器的输出端和有源负载晶体管的栅极之间的负反馈放大器。

    Method and device for generating an adjustable bandgap reference voltage

    公开(公告)号:US09804631B2

    公开(公告)日:2017-10-31

    申请号:US15243556

    申请日:2016-08-22

    CPC classification number: G05F3/267 G05F1/468 G05F3/30

    Abstract: A circuit includes a first PMOS transistor that includes a first PMOS source coupled to a first input node, a first PMOS gate, and a first PMOS drain. A second PMOS transistor includes a second PMOS source coupled to a second input node, a second PMOS gate, and a second PMOS drain coupled to the second PMOS gate. A first resistor coupled between the first PMOS source and a ground node. A first diode element coupled between the first resistor and the ground node and a second diode element coupled between the second PMOS source and the ground node. A third PMOS transistor includes a third PMOS gate, a third PMOS source coupled to a supply node, and a third PMOS drain coupled to the first input node. A fourth PMOS transistor includes a fourth PMOS gate coupled to the third PMOS gate, a fourth PMOS source coupled to the supply node, and a fourth PMOS drain coupled to the second input node.

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