Constant voltage circuit
    1.
    发明授权
    Constant voltage circuit 失效
    恒压电路

    公开(公告)号:US5278491A

    公开(公告)日:1994-01-11

    申请号:US865663

    申请日:1992-04-07

    IPC分类号: G05F3/30 G05F3/26

    CPC分类号: G05F3/30

    摘要: This invention discloses a constant voltage circuit including a bandgap circuit connected between a ground voltage and a source voltage, a transistor, the collector of which is connected to the collector of a negative feedback transistor for supplying a voltage of a base-emitter path to the other terminal of a resistor having one terminal connected to an output terminal of the bandgap circuit, and the base of which is connected to a voltage source free from variations in source voltage, and a resistor connected between the emitter of the transistor and the source voltage.

    摘要翻译: 本发明公开了一种包括连接在接地电压和源电压之间的带隙电路的恒压电路,晶体管,其集电极连接到负反馈晶体管的集电极,用于将基极 - 发射极路径的电压提供给 电阻器的另一个端子,其一个端子连接到带隙电路的输出端子,并且其基极连接到没有源极电压变化的电压源,以及连接在晶体管的发射极和源极电压之间的电阻器 。