ULN2003 NPN Darlington Transistor Array SOP-16

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ULN2003 NPN Darlington Transistor Array SOP-16 is a high-voltage, high-current Darlington transistor array consisting of seven NPN Darlington pairs. Each pair can handle up to 500mA and is designed for interfacing TTL and CMOS logic to high-power loads such as relays, motors, and LED displays.

Key Features of ULN2003:
    • Seven Darlington Transistors: Provides seven high-current outputs.
    • High Voltage Tolerance: Supports up to 50V output voltage.
    • High Current Capacity: Each output can handle up to 500mA.
    • TTL & CMOS Compatible: Directly interfaces with logic-level signals.
    • Built-in Clamp Diodes: Provides flyback protection for inductive loads.
    • Compact SOP-16 Package: Suitable for space-constrained applications.
Technical Specifications of ULN2003:
    • Number of Channels: 7
    • Output Voltage: Up to 50V
    • Output Current: 500mA per channel
    • Input Voltage: TTL/CMOS compatible
    • Base Current: 25mA per channel
    • Built-in Protection: Freewheeling diodes for inductive loads
    • Package: SOP-16
Schematic Diagram and Pinout of ULN2003:
    • Pinout:
      • Pin 1-7 (IN1-IN7): Input pins for each Darlington transistor.
      • Pin 8 (GND): Ground connection.
      • Pin 9 (COM): Common freewheeling diode connection.
      • Pin 10-16 (OUT7-OUT1): Output pins for each Darlington transistor.
    • Schematic Diagram: Each transistor pair has a built-in flyback diode, making it ideal for driving inductive loads.
Applications of ULN2003:
    • Relay Drivers: Controls multiple relays with logic-level signals.
    • Stepper Motor Control: Used in motor driver circuits.
    • LED Display Drivers: Controls large LED arrays.
    • High-Current Switching: Used for driving solenoids and inductive loads.
Equivalent Models of ULN2003:
    • ULN2803: 8-channel Darlington transistor array.
    • TD62083: A similar 8-channel transistor array IC.
Datasheet:
Keywords for ULN2003:
    • ULN2003
    • Darlington Transistor Array
    • Relay Driver IC
    • Stepper Motor Driver
    • High-Current Switching
Package Includes:
    • 1 x ULN2003 NPN Darlington Transistor Array (SOP-16 Package)

Additional information

Weight 0.2 g
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ULN2003 NPN Darlington Transistor Array SOP-16

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