DC-DC converter and fuel cell vehicle

摘要

PROBLEM TO BE SOLVED: To improve the impact resistance of a DC-DC converter.SOLUTION: A DC-DC converter mounted on a vehicle having a fuel cell, includes: a reactor; a power module disposed above the reactor; a bas bar for connecting the reactor and the power module; and a lower case in which the reactor is disposed; an upper case disposed on the lower case and covering the reactor and the power module. The lower case has mount portions which are respectively provided at both side positions in a lateral direction of a vehicle on an outer wall of the lower case, and fix the DC-DC converter on the vehicle; a fixing portion provided at a position upper in a vertical direction than the mount portions, and fixing the upper case and the lower case; and a rib portion provided on a surface of the outer wall of the lower case from the mount portions to the fixing portion.