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UDN3612M

Part No UDN3612M
Manufacturer Allegro MicroSystems, LLC
Catalog OEM Parts (T - Z)
Sample
Rohs State Need to verify
ECAD Module
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Win Source Part Number 1102107-UDN3612M
Categories OEM Parts(T-Z)
Manufacturer Allegro MicroSystems, LLC
Popularity Low
Supply and Demand Status Shortage
Ultra Librarian 3D Model Ultra Librarian UDN3612M CAD Model

Description

The UDN3612M is a quad high-current Darlington switch array designed by Allegro MicroSystems, primarily intended for driving various inductive loads such as relays, solenoids, and small motors. This device combines four independent Darlington switches in a single package, offering a convenient and space-saving solution for applications requiring multiple high-current drivers. It incorporates protection features and is compatible with TTL and CMOS logic levels.

Applications

  • Relay Drivers: Driving multiple relays in industrial control systems.
  • Solenoid Drivers: Controlling multiple solenoids in automated equipment.
  • Small Motor Drivers: Driving small DC motors or stepper motors.
  • Lamp Drivers: Controlling multiple lamps or LEDs.
  • Logic Buffers: Used as a logic buffer to increase current drive capability.

Features

  • Quad Darlington Switch: Contains four independent Darlington switches.
  • High Current Output: Capable of driving high-current loads.
  • TTL/CMOS Compatible: Compatible with standard TTL and CMOS logic levels.
  • Internal Suppression Diodes: Includes internal suppression diodes for inductive load protection.
  • Wide Supply Voltage Range: Operates over a wide supply voltage range.
  • Low Input Current: Requires minimal input current from the driving logic.

Benefits

  • Simplified Design: Reduces design complexity by integrating multiple drivers into a single chip.
  • Reduced Component Count: Lowers component count and board space requirements.
  • Improved Reliability: Internal protection features enhance reliability.
  • Versatile Applications: Suitable for a wide range of load types.
  • Easy to Use: Simple interface with standard logic levels.

Additional Details

The UDN3612M features four identical Darlington transistor pairs, each capable of switching significant current loads. Internal suppression diodes are included to protect the device from voltage transients generated when switching inductive loads. The device is designed to be directly compatible with TTL and CMOS logic, simplifying integration with control circuitry. The UDN3612M is typically available in a DIP or SOIC package, allowing for easy PCB mounting. The output current capability and saturation voltage are important parameters to consider when selecting this device for a specific application. Careful consideration should be given to thermal management, especially when driving high-current loads continuously.

For detailed electrical characteristics, application circuits, and thermal considerations, refer to the manufacturer's datasheet.

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