Typical Application for A6263 Protected LED Array Driver

Reference Design using part A6263 by Allegro MicroSystems

Manufacturer

Allegro MicroSystems
  • Application Category
    Lighting
  • Product Type
    High Brightness LED Driver

For End Products

  • Off-Line Exterior Lighting
  • Off-Line Interior Lighting

Description

  • Typical Application for the A6263 is a linear, programmable current regulator providing up to 100 mA from each of 4 outputs to drive arrays of high brightness LEDs. Outputs can be connected in parallel or left unused, as required. The regulated LED current from each output, accurate to 5%, is set by a single reference resistor. Current matching in each string is better than 10% without the use of ballast resistors. Driving LEDs with constant current ensures safe operation with maximum possible light output

Key Features

  • Input Voltage
    6 to 50 V
  • Output Current
    0.4 A
  • Number of Derived Elements
    12

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