| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle where a highly-efficient DC-DC converter and highly-efficient power supply to a load are enabled, regardless of the amount of power to be supplied to the load.SOLUTION: When the amount of power to be supplied to a load R1 is not less than a prescribed value, controlling means 5 performs a first mode where switching elements S1 to S4 are driven, and when the amount of the power to be supplied to the load R1 is not more than the prescribed value, the controlling means 5 performs a second mode where the switching elements S3 and S4 are stopped in an OFF state, and only the switching elements S1 and S2 are driven. |
