An electronic device, comprising: a plurality of loads; a plurality of regulators configured to adjust power provided from a power source and output the adjusted power, the plurality of regulators comprising a first regulator and a second regulator; a switching circuit configured to selectively connect the plurality of regulators to at least one of the plurality of loads; and at least one processor configured to: identify a load to which the adjusted power is to be supplied among the plurality of loads, identify a magnitude of a current required by the identified load, obtain a first value of a power conversion efficiency of the first regulator for supplying the current with the magnitude to the identified load and a second value of the power conversion efficiency of the second regulator for supplying the current with the magnitude to the identified load, based on the obtained first value and the second value, select at least one regulator from among the first regulator and the second regulator for supplying the current with the magnitude to the identified load, wherein a power conversion efficiency of the selected at least one regulator is greater than or equal to a predetermined value, and control the switching circuit to connect the at least one regulator to the identified load. a plurality of loads; a plurality of regulators configured to adjust power provided from a power source and output the adjusted power, the plurality of regulators comprising a first regulator and a second regulator; a switching circuit configured to selectively connect the plurality of regulators to at least one of the plurality of loads; and at least one processor configured to: identify a load to which the adjusted power is to be supplied among the plurality of loads, identify a magnitude of a current required by the identified load, obtain a first value of a power conversion efficiency of the first regulator for supplying the current with the magnitude to the identified load and a second value of the power conversion efficiency of the second regulator for supplying the current with the magnitude to the identified load, based on the obtained first value and the second value, select at least one regulator from among the first regulator and the second regulator for supplying the current with the magnitude to the identified load, wherein a power conversion efficiency of the selected at least one regulator is greater than or equal to a predetermined value, and control the switching circuit to connect the at least one regulator to the identified load. identify a load to which the adjusted power is to be supplied among the plurality of loads, identify a magnitude of a current required by the identified load, obtain a first value of a power conversion efficiency of the first regulator for supplying the current with the magnitude to the identified load and a second value of the power conversion efficiency of the second regulator for supplying the current with the magnitude to the identified load, based on the obtained first value and the second value, select at least one regulator from among the first regulator and the second regulator for supplying the current with the magnitude to the identified load, wherein a power conversion efficiency of the selected at least one regulator is greater than or equal to a predetermined value, and control the switching circuit to connect the at least one regulator to the identified load.