公开(公告)号：EP1965283A1

公开(公告)日：2008-09-03

申请号：EP07103177.7

申请日：2007-02-27

Applicant: STMicroelectronics S.r.l.

Inventor： Lo Iacono, Gioacchino ,  Milazzo, Patrizia ,  Tricomi, Salvatore

IPC: G05F1/56

CPC classification number: G05F1/565

Abstract: A voltage regulator (200) having an input terminal for receiving an input voltage (Vdd) and an output terminal for providing a regulated voltage (Vreg) , the voltage regulator including: a differential amplifier (105) configured for receiving a reference voltage ( Vref ) and a feedback signal ( Vfb ) being a function of the regulated voltage, and for providing a regulation signal (Vgate) according to a comparison between the reference voltage and the feedback signal, a regulation transistor (M0) having a control terminal for receiving the regulation signal (Vgate) , a first terminal for receiving the first voltage and a second terminal coupled with the output terminal of the voltage regulator, wherein a voltage-controlled circuit (205) coupled to the output terminal, responsive to a voltage difference between the first voltage and the regulation voltage and adapted to sink from the output terminal a current depending on said voltage difference between the supply voltage and the regulation voltage, said current being related to a leakage current of the regulation transistor.

Abstract translation: 一种电压调节器（200），具有用于接收输入电压（Vdd）的输入端子和用于提供调节电压（Vreg）的输出端子，所述电压调节器包括：差分放大器，被配置为接收参考电压 ）和作为调节电压的函数的反馈信号（Vfb），并且根据参考电压和反馈信号之间的比较来提供调节信号（Vgate）;调节晶体管（M0），具有用于接收的控制端子 调节信号（Vgate），用于接收第一电压的第一端子和与电压调节器的输出端子耦合的第二端子，其中耦合到输出端子的电压控制电路（205）响应于电压差 第一电压和调节电压，并且适于从输出端子吸收取决于电源电压和调节器之间的所述电压差的电流 离子电压，所述电流与调节晶体管的漏电流有关。