Load driving semiconductor apparatus

Details Load driving semiconductor apparatus Load driving semiconductor apparatus

2011-03-29

2011-03-29

Soward, Ida M (Department: 2822)

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With provision for cooling the housing or its contents

C257S706000, C257S707000, C257S717000, C257S720000, C257S796000, C257SE23051

Reexamination Certificate

active

07915729

ABSTRACT:
A load driving semiconductor apparatus includes: a driving transistor, which operates based on an input voltage from an external circuit; a power semiconductor device controlling power supply to a load in such a manner that the power semiconductor device supplies electric power to the load when the transistor operates, and the power semiconductor device stops supplying electric power to the load when the transistor stops operating; and a mounting board, on which the driving transistor and the power semiconductor device are mounted. The mounting board includes a heat radiation pattern for emitting heat generated in the power semiconductor device. The heat radiation pattern includes a heat receiving pattern, on which the driving transistor is mounted.

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