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LED Drivers

Constant Current LED Driver with PWM Dimming Control

  • Supply Voltage Range (2.5V to 40V)
  • Output Voltage (VLED=40V max.)
  • Output Current (ILED=20mA to 300mA)
  • Output Current Accuracy (±1.5%)
  • To 11 of White LED can be operated. (at LED Vf=3.4V)
  • Quiescent Current (450µA max.)
  • PWM Dimming Control and Enable Control (Common Pin)
  • Over Current Protection
  • Thermal Shutdown Protection
  • LED Short Protection
  • Package (SOT-89-5)
General Description
The NJW4616 is a constant current LED driver with PWM dimming control. The output current can be set by external sensing resister, and the NJW4616 can set up to 300mA. Because the withstand voltage of the output (LED) pin is 40V, it can series-connect the LED depending on forward voltage of the LED. The LED dimming control can be regulated via PWM duty cycle. It is suitable for back light, light source and so on.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
5Sn2Bi61YesYesYesNon dry pack1
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