ULN2803 Driver

Model : AIC-00013

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This IC is a single package of eight darlington arrays.

The ULN2801A-ULN2805A each contain eight darlington transistors with common emitters and integral suppression diodes for inductive loads. Each darlington features a peak load current rating of 600mA (500mA continuous) and can withstand at least50V in the off state.


Outputs maybe paralleled for higher current capability.Five versions are available to simplify interfacing to standard logic families :

The ULN2801Ais designed for general purpose applications with a current limit resistor ;

The ULN2802A has a 10.5kW input resistor and zener for 14-25VPMOS;

TheULN2803A has a 2.7kW input resistor for 5V TTL and CMOS ;

The ULN2804A has a 10.5kW input resistor for 6-15V CMOS and the ULN2805A is designed to sink a minimum of 350mA for standard and Schottky TTL where higher output current is required.


  • Eight darlingtons with common emitters
  • Output current to 500 ma
  • Output voltage to 50V
  • Integral suppression diodes
  • Versions for all popular logic families
  • Output can be paralleled
  • Inputs pinned opposite outputs to simplify board layout


  • Maximum output voltage:50V
  • Maximum Input Volage:30V
  • Power Dissipation per Darlington pair:1W
  • Power Dissipation per Total package:2.25W
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