Voltage stabilizer circuit and related control method

A circuit including a voltage regulator and a control circuit is provided. The voltage regulator is configured to receive an input signal to generate an output voltage. The control circuit is configured to select one of the first reference voltage and the second reference voltage as an output reference voltage according to an output signal of the voltage regulator, and generate a control signal according to the output reference voltage to control a voltage potential of the output voltage of the voltage regulator. 本发明提供了一种包括稳压器和控制电路的电路。稳压器被配置为接收输入信号以产生输出电压。控制电路被配置为根据稳压器的输出信号选择第一参考电压与第二参考电压中的一个作为输出参考电压，并根据输出参考电压产生控制信号以控制稳压器的输出电压的电压电位。