Adjustable power supply

The utility model relates to an adjustable power supply. According to the technical scheme, the adjustable power supply comprises a power supply module; the output adjusting module is used for adjusting the voltage and the current output by the power supply module and supplying power to equipment; the current detection module is used for detecting the output current of the output regulation module to obtain a detection signal; the reference voltage module is used for providing reference voltage for the ADC module and the DAC module; the ADC module is used for converting the current of the power supply module and the detection signal of the current detection module into digital signals; the DAC module is used for providing input voltage for the feedback regulation module; the feedback regulation module is used for generating a feedback signal according to the output voltage of the DAC module and the output voltage of the equipment and transmitting the feedback signal to the output regulation module; the device