Being the load fluctuation compensating circuit which compensates the power supply voltage which is supplied to the load fluctuation compensating circuit, the electronic device, the

摘要

And compares the delay circuit for outputting a delay signal which receives supply voltage from a common power supply and operating circuit, and delayed by a delay amount corresponding to the supply voltage periodic signal applied, the phase of the periodic signal, the phase of the delayed signal an initializing section for adjusting the phase difference to generate a phase comparator, a bias voltage on the basis of the comparison result of the phase comparator is supplied to the delay circuit, a predetermined phase difference between the delayed signal and the periodic signal, the periodic When it becomes a phase difference the phase difference between the delayed signal and the signal is predetermined, and a control section for holding the bias voltage initialization unit outputs, the current consumption circuit provided with a common power supply and operating circuit , load fluctuation compensation circuit and a variation compensator on the basis of the comparison result phase comparator outputs in the state where the bias voltage at the initialization section is held to control the amount of current supplied to the current consumption circuit.