3A Constant-Current Buck LED Driver with PWM Dimming

A6211

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The A6211 provides a highly efficient, cost-effective solution for driving high-power LEDs. Its integrated MOSFET switch, user-selectable output current, and PWM dimming capability simplify design and reduce component count.

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Top Features

Packaging

  • Supply voltage 6 to 48 V
  • True average output current control
  • 3.0 A maximum output over operating temperature range
  • Cycle-by-cycle current limit
  • Integrated MOSFET switch
  • Dimming via direct logic input or power supply voltage
  • Internal control loop compensation
  • Undervoltage lockout (UVLO) and thermal shutdown protection
  • Low power shutdown (1 μA typical)
  • Robust protection against:
    • Adjacent pin-to-pin short
    • Pin-to-GND short
    • Component open/short faults

8-pin SOICN with exposed thermal pad (suffix LJ)

 

Part Number Specifications and Availability