ILN2003AN High voltage Darlington transistor arrays

Product Overview

ILN2003AN High voltage Darlington transistor arrays are monolithic high-voltage, high-current Darlington transistor arrays. Each consists of seven n-p-n Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs may be paralleled for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers.

The ILN2003A has a 2.7-kΩ series base resisitor for each Darlington pair for operation directly with TTL or 5-V CMOS devices.

Features of ILN2003AN

• 500-mA Rated Collector Current (Single Output)
• High-Voltage Outputs . . . 50 V
•  Output Clamp Diodes
• Inputs Compatible With Various Types of Logic
• Relay Driver Applications.

Applications of ILN2003AN Darlington transistor arrays

• Relay Driver: It can be used to drive electromagnetic relays in various control and automation systems.
• Solenoid Driver: Solenoids are often used in applications such as locking mechanisms and valve control. The ILN2003AN can drive solenoids effectively.
• Stepper Motor Driver: When used with additional control logic, it can be part of a stepper motor driver circuit.

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