A6261KLJTR-T
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A6261KLJTR-T

  • Category:Driver chip
  • Product Name:Protective LED array drivers
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:8-lead SOIC
  • Stock Status:There is stock
  • Stock Quantity:9030
  • Minimum order quantity: 1
  • Details:Click here to find pdf of the A6261KLJTR-T
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  • Product introduction

A6261It is linear and programmableCurrent regulator, which provides 100 mA each of the four outputs to drive the high-brightness LED array. The regulated LED current for each output (accurate to 5%) is set by a single reference resistor. Without the use of ballast resistors, the current matching per string is better than 10%. The use of constant current drives LEDs to ensure safe operation and provide the maximum possible illumination output.

Provides output control by enabling input commands, providing direct control for PWM applications. The outputs can be paralleled or idle as needed.

Provides short-circuit detection to protect the LED and A6261 when any LED output pin is shorted to ground. An open LED in any string disables all outputs, but the feature can be overridden. The fault flag shows a shorted LED output pin or an open LED.

Temperature monitors are included to reduce LED drive current if the die temperature exceeds thermal thresholds.

The device is available in 10-pin MSOP (LY) and 16-pin TSSOP (LP) packages, both of which feature exposed heatsinks for enhanced heat dissipation. The packages are Pb-free and the leadframes are 100% matte tin.

  • The LED driver has a total current of up to 400 mA
  • The current is divided equally by 4 strings, each 100 mA
  • 6 to 50 V supply voltage
  • Low differential pressure
  • LED output short-circuit grounding and overtemperature protection
  • Disable the open LED detection option
  • Enable PWM control inputs
  • Current slew rate during PWM
  • The current is set by a reference resistor
  • Automotive K temperature range (–40°C to 150°C): Please contact the factory for availability.

 

andA6261KLJTR-TRelated ICs are:


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A6261KLJTR-T Allegro 15+ 8-lead SOIC Protective LED array drivers

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