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ULN2003 IC – (SMD Package) – 7 Darlington Transistor Arrays IC

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Description

The ULN2003 is a 7-channel Darlington transistor array IC that is commonly used for driving high-current loads such as relays, motors, and LEDs. It consists of seven Darlington pairs, each with a built-in flyback diode for inductive load protection, making it ideal for switching applications.

Specifications

  • Input Voltage (Vcc): Typically 5V to 50V (max 50V)
  • Output Voltage (Vce): 50V (max) for each channel.
  • Output Current: 500mA per channel (max), with a total output current of 2.5A across all channels.
  • Saturation Voltage (Vce(sat)): Typically 1V at 350mA output current.
  • Rise Time: Typically 250ns.
  • Storage Temperature: -65°C to 150°C.
  • Operating Temperature: -40°C to 85°C.
  • Package Type: SMD (often in the SOP-16 or DIP-16 for the through-hole version).

Features

  • 7 Darlington Transistor Channels: Seven independent channels of Darlington pairs with built-in flyback diodes, designed for driving high-current loads.
  • High-Voltage and High-Current Capability: Can handle output voltages up to 50V and current up to 500mA per channel.
  • Flyback Diodes: Each output channel has an internal flyback diode, which provides protection when switching inductive loads like motors and relays.
  • Low Saturation Voltage: Low voltage drop (typically 1V) for efficient operation when switching loads.
  • High-Speed Switching: The IC offers fast switching times, making it suitable for dynamic applications like stepping motors or other rapidly switching loads.
  • Compact SMD Package: The SMD form factor allows for space-efficient designs, suitable for modern electronic applications.
  • Thermal Shutdown: The IC typically includes thermal protection to prevent overheating and damage to the device.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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