Texas Instruments

ULN2003AIDR

The ULN2003AIDR is a high-voltage, high-current Darlington transistor array manufactured by Texas Instruments. It is designed for use in a variety of applications, including motor control, relay control, and low-voltage power switching.

Description:

The ULN2003AIDR is a 1-channel Darlington transistor array that features a Darlington connection of two NPN transistors. It is designed to handle high-voltage and high-current applications, with a collector-emitter voltage rating of up to 50V and a collector current rating of up to 500mA per channel.

Features:

• High-voltage and high-current capability
• Darlington connection of two NPN transistors
• 1-channel configuration
• Collector-emitter voltage rating of up to 50V
• Collector current rating of up to 500mA per channel
• Wide operating temperature range of -40°C to +125°C
• RoHS compliant

Applications:

The ULN2003AIDR is commonly used in applications that require high-voltage and high-current switching, such as:

• Motor control, including DC motor control and stepper motor control
• Relay control, including high-voltage relay control and high-current relay control
• Low-voltage power switching, including switch mode power supply (SMPS) control and power distribution control
• Industrial control systems, including factory automation and robotics control
• Automotive control systems, including engine control and power window control

Overall, the ULN2003AIDR is a versatile and reliable Darlington transistor array that is well-suited for a wide range of high-voltage and high-current switching applications. Its high-voltage and high-current capability, along with its Darlington connection and wide operating temperature range, make it a popular choice for engineers and designers in a variety of industries.