SCR-MOS circuit for driving electroluminescent displays

SCR-MOS circuit for driving electroluminescent displays

Disclosed is a small-area solid state driver (30) adapted for switching high voltages. The driver (30) includes a DMOS device (48) driving a bipolar SCR (58). A SCR NPN transistor (54) and PNP transistor (56) are parasitic in nature, thus reducing the wafer area of the driver (30). The SCR (58) prov...

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Hauptverfasser: SUTTON, STEPHEN L
Format: Patent
Sprache:eng
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BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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STEPHEN L
description Disclosed is a small-area solid state driver (30) adapted for switching high voltages. The driver (30) includes a DMOS device (48) driving a bipolar SCR (58). A SCR NPN transistor (54) and PNP transistor (56) are parasitic in nature, thus reducing the wafer area of the driver (30). The SCR (58) provides current sink capabilities to the driver output (60). Current source capabilities are provided by a substrate input terminal (50) which is connected to the output (60) by diodes (84, 86). A third input (52) allows the SCR (58) to be disabled.
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
title SCR-MOS circuit for driving electroluminescent displays
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