| 摘要 |
PROBLEM TO BE SOLVED: To solve problems in which a DC-DC converter is broken due to the influence of heat generation from a device, which is assumed to be caused by arranging the DC-DC converter on a burn-in board, the number of devices mountable on the burn-in board is limited, and so on.SOLUTION: In a step of performing an acceleration test of a semiconductor package: for a first semiconductor package, a first power supply supplied from a power supply board to a burn-in board via an extension board is used; and for a second semiconductor package having larger current consumption than the first semiconductor package and having low operation voltage, a second power supply into which the first power supply is converted by a power supply conversion component such as a DC-DC converter mounted on the extension board is used. |
