ULN2004 : SMD/SMT Darlington Transistor Arrays

ULN2004 : SMD/SMT Darlington Transistor Arrays
Product Code: ICO_ULN2004_SMD
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ULN2004 -SMD/SMT Darlington Transistor Arrays


  • TTL, DTL, PMOS, or CMOS-Compatible Inputs
  • Output Current to 500 mA
  • Output Voltage to 95 V
  • Transient-Protected Outputs
  • Dual In-Line Plastic Package or Small-Outline IC Package
General Description
Ideally suited for interfacing between low-level logic circuitry and multiple peripheral power loads, the Series ULN20xxA/L high-voltage, high-current Darlington arrays feature continuous load current ratings to 500 mA for each of the seven drivers.  At an appropriate duty cycle depending on ambient temperature and number of drivers turned ON simultaneously, typical power loads totaling over 230 W (350 mA x 7, 95 V) can be controlled.  Typical loads include relays, solenoids, stepping motors, magnetic print hammers, multiplexed LED and incandescent displays, and heaters.  All devices feature open-collector outputs with integral clamp diodes.
The ULN2004A/L have series input resistors selected for operation directly with 5 V TTL or CMOS.  These devices will handle numerous interface needs — particularly those beyond the capabilities of standard logic buffers.
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