Triple 155 MHz Laser Switch

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Product description

Triple Laser Switch iC-HB enables the spike-free switching of laser diodes with well-defined current pulses at frequencies ranging from DC to 155 MHz.

The diode current is set by the voltages at pins CIx.

The three fast switches are controlled independently via LVDS/TTL inputs.

Each channel can be operated at 65 mA DC (channel B: 60 mA) and up to 300 mA (channel B: 275 mA) pulsed current depending on the frequency, duty cycle and heat dissipation.


  • Laser switch for frequencies from CW up to 155 MHz
  • Spike-free switching of the laser currents
  • Three channels with independent current control at pins CIx
  • Operates as a voltage-controlled current sink
  • LVDS/TTL switching inputs with TTL monitor outputs
  • Pulsed operation with up to 300 mA per channel
  • CW operation with up to 65 mA per channel
  • Laser current monitor output
  • Thermal shutdown with open drain error output
  • Protective ESD circuitry


  • Laser printers
  • Data transmission
  • Laser scanning devices
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