PURPOSE: To execute stably and exactly the operation by generating a voltage by using the first constitution for a resistance voltage dividing circuit against an output voltage whose difference to an input voltage is larger than a prescribed value, and using the second constitution against an output voltage which is smaller than a prescribed value.

CONSTITUTION: In a power source circuit of a type for dividing an input voltage and obtaining plural output voltages, the voltage is generated by using the first constitution which has added a voltage follower by an operational amplifier to a resistance voltage dividing circuit 5, against an output voltage whose difference to the input voltage is larger than a prescribed value, and against an output voltage which is smaller than a prescribe value, the voltage is generated by using the second constitution for controlling the inversion amplifier circuits 81, 82 by the operational amplifier, by using the output voltage which has been obtained by the first constitution as a reference voltage. In this way, even against an output voltage being nearly the input voltage, a feedback control by the operational amplifier can be executed, and an output voltage whose stability is high can be supplied to a driving circuit of a liquid crystal display device, etc.