AN Laser Drivers    Application Notes

Applications
  • Data transmission
  • Laser scanning devices
  • Laser printers
  • Laser light barriers
  • Distance measurement
  • Laser projection
  • Pointers
  • Leveling lasers
  • Blue laser diodes
Features
  • iC-HB
    - Laser switch for frequencies from CW up to 155 MHz
    - Spike-free switching of the laser current
    - Three channels with independent current control at pins CIx
    - LVDS/TTL switching inputs with TTL monitor outputs
    - Pulsed operation with up to 300 mA per channel
  • iC-HK
    - Laser switch for frequencies from CW up to 155 MHz
    - Spike-free switching of the laser current
    - Pulsed operation with up to 700 mA per channel
    - CW operation with up to 150 mA per channel
    - Simple power control at pin CI
  • iC-NZ
    - Peak value controlled tripple laser switch
    - Operation from CW up to 155 MHz
    - Spike-free switching
    - Laser current of 100 mA per channel
    - Single-failure proof with second monitor diode
  • iC-VJ/Z
    - Simple APC adjustment via an external resistor
    - Laser diode current of up to 250 mA
    - Built-in R/C oscillator functions up to 4 MHz
    - Stable 1:1 pulse duty factor
  • iC-WJ/Z
    - Simple APC adjustment via an external resistor
    - Continuous (CW) or pulsed operation of up to 300 kHz
    - Laser diode current of up to 250 mA
  • iC-WJB
    - Simple APC adjustment via an external resistor
    - Continuous (CW) or pulsed operation of up to 300 kHz
    - Laser diode current of up to 100 mA
    - Operation at 2.7 to 6 V with two to four AA/AAA cells
    - Protection against reverse polarity
  • iC-WK/L
    - CW operation up to 90 mA from 2.4 to 6 V supply voltage
    - Fits all types of laser diode pin configurations
    - Simple power adjustment via the external resistor
    - Quick soft start typically within 70 Ás
    - APC accuracy better than 1%
  • iC-WKM
    - Optimised for M-type laser diodes (single supply, case grounded)
    - CW operation up to 350 mA from a single supply of up to 15 V
    - Simple power adjustment via an external resistor
    - Integrated reverse polarity protection for the iC and laser diode
  • iC-WKN
    - CW operation up to 300 mA from 2.4 to 15 V supply voltage
    - Simple power adjustment via an external resistor
    - Control loop accuracy better than 1.5%
    - Integrated reverse polarity protection for the iC and laser diode
    - All current LD types can be used (M/P/N configurations)
    - Pin compatible to iC-WK and iC-WKL
  • iC-WKP
    - Optimised for P-type laser diodes (case grounded)
    - CW operation up to 350 mA from 3 to 15 V supply voltage
    - Simple power adjustment via an external resistor
    - Integrated reverse polarity protection for the iC and laser diode
Packages
    DFN10
    MSOP8
    QFN24
    QFN28
    SO16N
    SO8
    WK2D
    WK4D
    WKM1D
 
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+49 6135 / 9292 300