An apparatus for performing multi-loop power control of an electronic device, wherein the apparatus comprises: a first amplifier (112, OTA1), positioned in a first feedback loop of the electronic device and coupled to a power control terminal (142, COMP) of the electronic device, arranged for outputting a first error signal toward the power control terminal for performing a first power control; a second amplifier (122, OTA2), positioned in a second feedback loop of the electronic device and coupled to the power control terminal (142, COMP) of the electronic device, arranged for outputting a second error signal toward the power control terminal for performing a second power control; wherein the apparatus is configured so as to allow the electronic device to utilize the first amplifier (112, OTA1) to selectively output the first error signal toward the power control terminal (142, COMP) and to utilize the second amplifier (122, OTA2) to selectively output the second error signal toward the power control terminal (142, COMP); and wherein the apparatus further comprises a compensation circuit, coupled to the first amplifier (112, OTA1) and the second amplifier (122, OTA2), arranged for detecting the first error signal and to generate a compensation signal corresponding to the first error signal and applying the compensation signal to the second error signal to reduce influence of the first feedback loop on the second feedback loop during a time period in which the electronic device switches from said second power control of the second feedback loop to said first power control of the first feedback loop, to perform power control of the electronic device. a first amplifier (112, OTA1), positioned in a first feedback loop of the electronic device and coupled to a power control terminal (142, COMP) of the electronic device, arranged for outputting a first error signal toward the power control terminal for performing a first power control; a second amplifier (122, OTA2), positioned in a second feedback loop of the electronic device and coupled to the power control terminal (142, COMP) of the electronic device, arranged for outputting a second error signal toward the power control terminal for performing a second power control; wherein the apparatus is configured so as to allow the electronic device to utilize the first amplifier (112, OTA1) to selectively output the first error signal toward the power control terminal (142, COMP) and to utilize the second amplifier (122, OTA2) to selectively output the second error signal toward the power control terminal (142, COMP); and wherein the apparatus further comprises a compensation circuit, coupled to the first amplifier (112, OTA1) and the second amplifier (122, OTA2), arranged for detecting the first error signal and to generate a compensation signal corresponding to the first error signal and applying the compensation signal to the second error signal to reduce influence of the first feedback loop on the second feedback loop during a time period in which the electronic device switches from said second power control of the second feedback loop to said first power control of the first feedback loop, to perform power control of the electronic device.