HYBRID FAST-SLOW PASSGATE CONTROL METHODS FOR VOLTAGE REGULATORS EMPLOYING HIGH SPEED COMPARATORS
    5.
    发明申请
    HYBRID FAST-SLOW PASSGATE CONTROL METHODS FOR VOLTAGE REGULATORS EMPLOYING HIGH SPEED COMPARATORS 审中-公开
    采用高速比较器的电压调节器的混合快速低通控制方法

    公开(公告)号:US20120153909A1

    公开(公告)日:2012-06-21

    申请号:US13213368

    申请日:2011-08-19

    IPC分类号: G05F1/10

    摘要: Voltage regulator circuits and methods implementing hybrid fast-slow passgate control circuitry are provided to minimize the ripple amplitude of a regulated voltage output. In one aspect, a voltage regulator circuit includes a comparator, a first passgate device, a second passgate device, and a bandwidth limiting control circuit. The comparator compares a reference voltage to a regulated voltage at an output node of the voltage regulator circuit and generates a first control signal on a first gate control path based on a result of the comparing. The first and second passgate devices are connected to the output node of the regulator circuit. The first passgate device is controlled in a bang-bang mode of operation by the first control signal to supply current to the output node. The bandwidth limiting control circuit has an input connected to the first gate control path and an output connected to the second passgate device. The bandwidth limiting control circuit generates a second control signal based on the first control signal, wherein the second control signal is a slew rate limited version of the first control signal, and wherein the second passgate is controlled by the second control signal to supply current to the output node.

    摘要翻译: 提供了实现混合快速慢门控制电路的稳压器电路和方法,以最小化稳压电压输出的纹波幅度。 在一个方面,电压调节器电路包括比较器,第一通道门,第二通道器件和带宽限制控制电路。 比较器将参考电压与调节器电路的输出节点处的调节电压进行比较,并且基于比较的结果在第一门控制路径上产生第一控制信号。 第一和第二传递门装置连接到调节器电路的输出节点。 第一传递门装置通过第一控制信号被控制在爆炸操作模式中,以向输出节点提供电流。 带宽限制控制电路具有连接到第一门控制路径的输入端和连接到第二通道门装置的输出端。 带宽限制控制电路基于第一控制信号产生第二控制信号,其中第二控制信号是第一控制信号的转换速率限制版本,并且其中第二传递门由第二控制信号控制以将电流提供给 输出节点。

    Dual Loop Voltage Regulator with Bias Voltage Capacitor
    6.
    发明申请
    Dual Loop Voltage Regulator with Bias Voltage Capacitor 有权
    具有偏置电压电容器的双回路稳压器

    公开(公告)号:US20110316506A1

    公开(公告)日:2011-12-29

    申请号:US12822507

    申请日:2010-06-24

    IPC分类号: G05F1/10

    CPC分类号: G05F1/575

    摘要: A voltage regulator includes a regulator input connected to a reference voltage; a regulator output that outputs a regulated voltage to an electrical load; a first loop, the first loop configured to receive the reference voltage, the first loop outputting a bias voltage; a second loop, the second loop configured to receive the bias voltage as an input; and a bias voltage capacitor connected to a node between the first loop and the second loop.

    摘要翻译: 电压调节器包括连接到参考电压的调节器输入; 调节器输出,其将调节的电压输出到电负载; 第一回路,所述第一回路被配置为接收所述参考电压,所述第一回路输出偏置电压; 第二回路,所述第二回路被配置为接收所述偏置电压作为输入; 以及连接到第一回路和第二回路之间的节点的偏压电容器。

    Dual loop voltage regulator with bias voltage capacitor
    7.
    发明授权
    Dual loop voltage regulator with bias voltage capacitor 有权
    具有偏置电容的双回路稳压器

    公开(公告)号:US08575905B2

    公开(公告)日:2013-11-05

    申请号:US12822507

    申请日:2010-06-24

    IPC分类号: G05F1/40 G05F1/44

    CPC分类号: G05F1/575

    摘要: A voltage regulator includes a regulator input connected to a reference voltage; a regulator output that outputs a regulated voltage to an electrical load; a first loop, the first loop configured to receive the reference voltage, the first loop outputting a bias voltage; a second loop, the second loop configured to receive the bias voltage as an input; and a bias voltage capacitor connected to a node between the first loop and the second loop.

    摘要翻译: 电压调节器包括连接到参考电压的调节器输入; 调节器输出,其将调节的电压输出到电负载; 第一回路,所述第一回路被配置为接收所述参考电压,所述第一回路输出偏置电压; 第二回路,所述第二回路被配置为接收所述偏置电压作为输入; 以及连接到第一回路和第二回路之间的节点的偏压电容器。