SLRS027T December   1976  – March 2025 ULN2002A , ULN2003A , ULN2003AI , ULN2004A , ULQ2003A , ULQ2004A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics: ULN2002A
    6. 5.6  Electrical Characteristics: ULN2003A and ULN2004A
    7. 5.7  Electrical Characteristics: ULN2003AI
    8. 5.8  Electrical Characteristics: ULN2003AI
    9. 5.9  Electrical Characteristics: ULQ2003A and ULQ2004A
    10. 5.10 Switching Characteristics: ULN2002A, ULN2003A, ULN2004A
    11. 5.11 Switching Characteristics: ULN2003AI
    12. 5.12 Switching Characteristics: ULN2003AI
    13. 5.13 Switching Characteristics: ULQ2003A, ULQ2004A
    14. 5.14 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Inductive Load Drive
      2. 7.4.2 Resistive Load Drive
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Drive Current
        2. 8.2.2.2 Low-Level Output Voltage
        3. 8.2.2.3 Power Dissipation and Temperature
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Related Links
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|16
  • DYY|16
  • NS|16
  • N|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.2 Functional Block Diagrams

All resistor values shown are nominal. The collector-emitter diode is a parasitic structure and should not be used to conduct current. If the collectors go below GND, an external Schottky diode should be added to clamp negative undershoots.

ULN2002A ULN2003A ULN2003AI ULQ2003A ULN2004A ULQ2004A ULN2002A Block Diagram Figure 7-1 ULN2002A Block Diagram
ULN2002A ULN2003A ULN2003AI ULQ2003A ULN2004A ULQ2004A ULN2003A, ULQ2003A and ULN2003AI Block DiagramFigure 7-2 ULN2003A, ULQ2003A and ULN2003AI Block Diagram
ULN2002A ULN2003A ULN2003AI ULQ2003A ULN2004A ULQ2004A ULN2004A and LQ2004A Block DiagramFigure 7-3 ULN2004A and LQ2004A Block Diagram