According to one embodiment, a switching control circuit (CTL1) includes a Zener diode (D1) that, when a voltage between a drain (Dr1) and a source (Sr1) of an output transistor (T1) that controls a current flowing through a load (4) exceeds a specified value (Vc1), allows continuity between the drain (Dr1) and the source (Sr1) of the output transistor (T1), and a current mirror circuit that, when a current flows through the Zener diode (D1), allows continuity between the drain (Dr1) and a gate (Gt1) of the output transistor (T1).
SEMICONDUCTOR DEVICE, POWER CONTROLLING SEMICONDUCTOR DEVICE, ON-VEHICLE ELECTRONIC CONTROL UNIT, AND VEHICLE INCLUDING THE SAME
2016-10-27
Patent
Electronic Resource
English
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