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ULQ2003 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ULQ2003ST250Yes

ULQ2003 is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics.

The ULQ2003 is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics.

Specifications:

  • Configuration: Seven NPN Darlington pairs
  • Output Voltage (VCE): 50V (max)
  • Output Current (IOUT): 500mA (per channel, max)
  • Input Voltage (VIN): 30V (max)
  • Input Current (IIN): 2.5mA (max per channel)
  • Power Dissipation (PD): 1W (per package)
  • Operating Temperature Range: -40°C to +105°C
  • Package Options: DIP-16, SO-16

Descriptions:

The ULQ2003 is designed for interfacing between low-level logic circuits and high-power loads such as relays, solenoids, and lamps. It includes built-in suppression diodes for inductive load protection.

Features:

  • High-Voltage Outputs (50V)
  • High-Current Drivers (500mA per channel)
  • Integrated Clamp Diodes for Inductive Loads
  • Compatible with TTL, CMOS, and PMOS Logic
  • Wide Operating Temperature Range
  • Common-Cathode Configuration for Simplified Design

This device is commonly used in automotive, industrial, and consumer applications where robust switching is required.

Would you like additional details on pin configurations or application notes?

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