ULN2803A Driver IC

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ULN2803A Driver IC

ULN2803A is a one of the most commonly used High Current, High Voltage Darlington Transistor Array IC. It contains 8 NPN darlington  pairs with common cathode clamp diodes for each outputs for switching inductive loads. The current rating of each darlington pair is 500mA and you may connect two or more darlington pairs in parallel to increase current capability. This IC is commonly used in applications such as Relay Driving, Hammer Driving, Lamp Driving, LED and Gas Discharge Display Driving etc.

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Description

ULN2803A is a one of the most commonly used High Current, High Voltage Darlington Transistor Array IC. It contains 8 NPN darlington  pairs with common cathode clamp diodes for each outputs for switching inductive loads. The current rating of each darlington pair is 500mA and you may connect two or more darlington pairs in parallel to increase current capability.

Features

  • 500mA per output
  • Total current up to 4A
  • High Voltage Outputs up to 50V
  • Output Clamp Diodes for driving Inductive Loads
  • Inputs compatible with various Logic Voltages

Applications

  • Stepper Motor Driver
  • Relay Driver
  • Hammer Driver
  • Lamp Driver
  • Gas Discharge and LED Display Driver
  • Line Drivers
  • Logic Buffer

Datasheet

Additional information

Weight 2 g
Dimensions 22 x 7 x 3 mm

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