公开(公告)号：US09182770B2

公开(公告)日：2015-11-10

申请号：US13632358

申请日：2012-10-01

Applicant: ST-Ericsson SA

Inventor： Willem Groeneweg ,  Nedyalko Slavov

IPC: G05F1/00 ,  G05F1/575

CPC classification number: G05F1/575

Abstract: A voltage regulator includes a current bridge and first and second current paths coupling a current mirror to respective first and second voltage-to-current converters. The current mirror controls a second current dependent on a first current. The first voltage-to-current converter controls the first current dependent on either a reference voltage or a feedback voltage derived from the regulator's output voltage, and the second voltage-to-current converter controls the second current dependent on the other of the feedback and reference voltages. Voltage-to-current conversion by the first converter is independent of voltage-to-current conversion by the second converter. An output transistor stage coupled to the second current path controls the output voltage dependent on the voltage in the second current path indicative of a deviation of the second current from a target current value dependent on the reference voltage.

Abstract translation: 电压调节器包括电流桥和将电流镜耦合到相应的第一和第二电压 - 电流转换器的第一和第二电流路径。 当前镜像控制依赖于第一电流的第二电流。 第一电压 - 电流转换器根据调节器的输出电压导出的参考电压或反馈电压来控制第一电流，而第二电压 - 电流转换器根据另一个反馈控制第二电流，并且 参考电压。 第一转换器的电压 - 电流转换与第二转换器的电压 - 电流转换无关。 耦合到第二电流路径的输出晶体管级根据第二电流路径中的电压控制输出电压，其指示第二电流与取决于参考电压的目标电流值的偏差。

公开(公告)号：US20130027010A1

公开(公告)日：2013-01-31

申请号：US13632358

申请日：2012-10-01

Applicant: ST-Ericsson SA

Inventor： Willem Groeneweg ,  Nedyalko Slavov

IPC: G05F1/10

CPC classification number: G05F1/575

Abstract: A voltage regulator includes a current bridge and first and second current paths coupling a current mirror to respective first and second voltage-to-current converters. The current mirror controls a second current dependent on a first current. The first voltage-to-current converter controls the first current dependent on either a reference voltage or a feedback voltage derived from the regulator's output voltage, and the second voltage-to-current converter controls the second current dependent on the other of the feedback and reference voltages. Voltage-to-current conversion by the first converter is independent of voltage-to-current conversion by the second converter. An output transistor stage coupled to the second current path controls the output voltage dependent on the voltage in the second current path indicative of a deviation of the second current from a target current value dependent on the reference voltage.

Abstract translation: 电压调节器包括电流桥和将电流镜耦合到相应的第一和第二电压 - 电流转换器的第一和第二电流路径。 当前镜像控制依赖于第一电流的第二电流。 第一电压 - 电流转换器根据调节器的输出电压导出的参考电压或反馈电压来控制第一电流，而第二电压 - 电流转换器根据另一个反馈控制第二电流，并且 参考电压。 第一转换器的电压 - 电流转换与第二转换器的电压 - 电流转换无关。 耦合到第二电流路径的输出晶体管级根据第二电流路径中的电压控制输出电压，其指示第二电流与取决于参考电压的目标电流值的偏差。