ULN2003 NPN Darlington Transistor Array SOP-16

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:

• • Download ULN2003 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)