Patent ID: 9411346
Filing Date: 2016-08-09
CPC Classification: G05F,H01L

Claim Text:
1. An integrated circuit, comprising a voltage divider circuit, having: a resistive voltage divider element for dividing a voltage between ground and a high-voltage line which supplies a voltage obtained by rectifying an alternating-current voltage or a direct-current voltage; a switch which is connected in series to the resistive voltage divider element and which cuts off a current path formed between the high-voltage line and ground via the resistive voltage divider element; and switching means for opening and closing the switch according to the state of a semiconductor device which is a supply destination of the voltage obtained by division by the resistive voltage divider element, the voltage divider circuit being formed on the same semiconductor substrate as the semiconductor device wherein the switch is a MOSFET, and at least one resistor constituting the resistive voltage divider element is formed so as to be completely surrounded by the MOSFET, and one end of the resistor is connected to a drain terminal of the MOSFET.