| 摘要 |
The purpose of the invention is to obtain a DC-DC converter device, the size of which can be reduced even if a high output is obtained and a high-capacitance capacitor element is mounted and the vibration resistance or the impact resistance of which is improved. A main transformer (104), a low-voltage circuit substrate (107), and a capacitor module (10) are housed in a case member (101). A smoothing capacitor element (12), a noise filter capacitor element (13), and a resonance capacitor element (14) are housed in a capacitor case (11). A high-voltage circuit substrate (40) rising substantially perpendicular to the bottom of the capacitor case (11) is attached to an outer circumferential sidewall of the capacitor case (11) and is provided extending over power semiconductor modules (35, 36) and the capacitor case (11). |
