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ULN2002A - High-Current Darlington Transistor Arrays

General Description

The ULx200xA 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 switching inductive loads.

The collector-current rating of a single Darlington pair is 500mA.

Key Features

  • 500mA-rated collector current (single output).
  • High-voltage outputs: 50V.
  • Output clamp diodes.
  • Inputs compatible with various types of logic.
  • Relay-driver.

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Other Datasheets by Texas Instruments

Part Number Description
ULN2002AN High-Current Darlington Transistor Arrays
ULN2003A High-Current Darlington Transistor Arrays
ULN2003AI High-Current Darlington Transistor Arrays
ULN2003AN High-Current Darlington Transistor Arrays
ULN2003B High-Current Darlington Transistor Array

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ULN2002A, ULN2003A, ULN2003AI ULQ2003A, ULN2004A, ULQ2004A SLRS027T – DECEMBER 1976 – REVISED MARCH 2025 ULN200x, ULQ200x High-Voltage, High-Current Darlington Transistor Arrays 1 Features • 500mA-rated collector current (single output) • High-voltage outputs: 50V • Output clamp diodes • Inputs compatible with various types of logic • Relay-driver applications 2 Applications • Relay Drivers • Stepper and DC Brushed Motor Drivers • Lamp Drivers • Display Drivers (LED and Gas Discharge) • Line Drivers • Logic Buffers 3 Description The ULx200xA 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 switching inductive loads.