ULN2804ADTR

Manufacturer Part Number: ULN2804ADTR Manufacturer / Brand: XBLW
Part of Description: The MIC29302DTR is a high-current, high-accuracy, low-dropout voltage regulator designed for use in a wide range of electronic applications. Lead Free Status / RoHS Status: Digital Signal Processors & Controllers - DSP, DSC 16 BIT HYBRID CNTRLR
Ship From: HK/Shen Zhen Shipment Way: DHL/Fedex/TNT/UPS
Datasheets:

Product parameters

ManufacturerXBLW
DetailsRoHS
Mounting StyleSMD/SMT
Package / CaseSOP-18
Minimum Operating Temperature– 40 C
Transistor Polarity+85 C
PackagingTape
Moisture SensitiveYes
Factory Pack Quantity2500

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    SUBMIT INFORMATION

    The ULN2804ADTR is a high-voltage, high-current Darlington transistor array IC manufactured by a leading semiconductor company, often associated with brands like Allegro or STMicroelectronics. Here is a detailed description of the ULN2804ADTR in English:

    The ULN2804ADTR comprises eight Darlington transistors with a common emitter, specifically designed for driving inductive loads. Each Darlington transistor features a peak load current rating of 600mA (with 500mA continuous), and can withstand at least 50V in the off-state. The outputs can be paralleled to achieve higher current capabilities.

    Key Features:

    1. Eight Darlington Transistors:
      • The IC contains eight independent Darlington transistors, each providing high current gain and voltage amplification.
    2. High-Voltage, High-Current Capability:
      • With a maximum collector-emitter voltage of 50V and a peak load current rating of 600mA, the ULN2804ADTR is suitable for driving a wide range of power loads.
    3. Integrated Suppressor Diodes:
      • Each output channel incorporates an integrated suppressor diode, which protects the IC from transient voltage spikes generated by inductive loads during switching.
    4. CMOS-Compatible Inputs:
      • The IC has CMOS-compatible inputs with an input resistance of 10.5kΩ, allowing it to interface easily with digital circuits and microcontrollers.
    5. Convenient Pin Configuration:
      • The ULN2804ADTR adopts an 18-pin plastic DIP package with convenient input and reverse output pins, simplifying circuit board layout.
    6. Wide Operating Voltage Range:
      • The IC can operate within a wide power supply voltage range, typically between 4V and 30V.
    7. Multi-Channel Driver:
      • The ULN2804ADTR serves as a multi-channel driver, integrating eight independent high-current, high-voltage switch outputs. Each channel can drive different loads.
    8. Current Amplification:
      • It has the ability to amplify input signal current, enabling the control of loads requiring higher currents.
    9. ESD Protection:
      • The IC includes electrostatic discharge (ESD) protection to enhance reliability in ESD environments.
    10. Small Package:
      • Offered in a small package, it is easy to integrate onto circuit boards.

    Typical Applications:

    • Relay Drivers: The ULN2804ADTR can drive relays, controlling the switching of high-voltage circuits.
    • Stepper Motor Drivers: Suitable for driving stepper motors in automation and robotics applications.
    • Lamp and Bulb Drivers: Capable of controlling incandescent lamps, LEDs, and other lighting devices.
    • Electromagnetic Valves: Can be used to control electromagnetic valves in industrial and automotive applications.
    • Display Drivers: Suitable for driving displays, such as segment displays and small LED arrays.

    In summary, the ULN2804ADTR is a powerful high-current driver IC designed for applications requiring the control and driving of high-current loads. Its multi-channel design and internal protection features make it a common choice in many electronic designs, particularly in embedded systems.

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