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AIC6622

Off-Line Linear LED Driver

FEATURES
  • Adaptive Conduction
  • Wide Range, Programmable LED Voltage
  • Current Operation: 15mA ~ 50mA
  • Can be Paralleled for Higher Current
  • 5V to 500V Supply Voltage Range
  • High Efficiency
  • Stable LED Brightness
  • Over Temperature Protection
  • SOP-8 Exposed pad Package
  • Patent Pending Drive Architecture
APPLICATIONS
  • LED Lamps (e.g. E27, GU10)
  • General Illumination
  • LED Strings (e.g. T-8 Tube)
  • Constant Current Sink
DESCRIPTION
The AIC6622 is an off-line linear LED driver. The application of high bright LED is widely used for general illumination.
The AIC6622 can drive a plurality of LED strings. When the voltage detecting circuit detects the different voltage level of input voltage, it can control the LED strings. If the input voltage is lower that it will bypass some LED strings. And turn on all LED strings when the input voltage is higher. The number of LEDs in LED array is dependent on the voltage level of the AC power source, that includes of ±10% variations. A typical application for the AIC6622 is to drive LEDs with a constant current of 15mA ~ 50mA. Multiple AIC6622 can also be used in parallel to provide higher currents.
The AIC6622 is available in a SOP-8 Exposed Pad Package.
TYPICAL APPLICATION


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