Laser Diode Pulse Controller

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Product description

Three-channel laser diode pulse regulator iC-NZ enables the continuous wave operation of laser diodes and spike-free switching with defined current pulses in a frequency range of up to 155 MHz.

To ensure that the laser class is maintained a second monitor input SMD is provided. The optional photo diode monitors the laser power. Exceeding the monitor window triggers a permanent reset.


  • Peak value controlled three level laser switch for operation from CW up to 155 MHz
  • Spike-free switching of laser currents of ca. 100 mA per channel (320 mA total) from 3.5 to 5 V supply voltage
  • Single-failure-proof
  • System-enable with self test
  • Separate setting of laser power for each channel via external resistors
  • Strong suppression of transients with very small external capacitors
  • Adjustable laser current monitor
  • Safety shutdown with overcurrent, overtemperature and undervoltage
  • Autonomous safety circuit for a second photo diode monitoring the laser power
  • All current LD types can be used (M/P/N configurations)
  • Error signal output at shutdown


  • Pulsed LD modules for safety applications
  • Distance measurement
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