| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply device that supplies a stable power supply to a load regardless of a change in the load.SOLUTION: A power supply device, which supplies a power supply to a load 20 through a power supply cable, includes: a power supply terminal 150 that is connected to the power supply cable; a feedback terminal 160 that is connected to an input terminal 210 of the load 20 through a feedback cable; a feedback circuit 180 that generates a voltage control signal Vctl by preferentially comparing one, out of a voltage Vout1 of the power supply terminal and a voltage Vout2 of the feedback terminal, which has a lower value with a reference voltage; and a voltage adjustment circuit 120 that adjusts a voltage of the power supply using the voltage control signal Vctl. |
