The ULN2003 devices are high-voltage, high-current Darlington transistor arrays. Each consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for Simplified Block Diagram switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can 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.

Features of ULN2003 Linear Integrated Circuit:

• Maximum Voltage Rating: 50V.
• Peak Current output: 500mA.

Applications of ULN2003 Linear Integrated Circuit:

• 500-mA-Rated Collector Current (Single Output).
• High-Voltage Outputs: 50 V.
• Output Clamp Diodes.
• Relay-Driver Applications.
• Motor Driver Application.
• Stepper Motor Driver.
• DIY Projects needing high current drive.

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