CW Laser Diode Driver, Optimized for N-Type Laser Diodes

iC-WKN is a driver for laser diodes in continuous wave operation with laser currents of up to 300 mA, which requires only four external components. The wide power supply range of up to 15 V allows for operation of direct green laser diodes.

The iC includes a soft start of the regulator to protect the laser diode when the power supply is switched on. The iC also filters the laser diode power supply for transients.

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  • CW operation up to 300 mA from 2.4 to 15 V supply voltage
  • Fast soft start after power-on typical within 70 µs
  • Optimised for N-type laser diodes


  • Laser diode modules
  • Laser levels

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