| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a short-circuit protection circuit, power circuit and power supply unit, capable of suppressing generation of failure caused by a short-circuit current when a short circuit occurs on a load side.SOLUTION: In a short-circuit protection circuit 13 of a power circuit 10 for supplying a driving voltage to a load by turning on an FET 30, a diode 451 is connected in series with a power supply line 62 for connecting the load with the power circuit 10, and the FET 30 is switched to OFF on the basis of a potential difference between the anode and cathode of the diode 451.</p> |
