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iC-VJZEVALVJD Datasheet(PDF) 1 Page - IC-Haus GmbH |
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iC-VJZEVALVJD Datasheet(HTML) 1 Page - IC-Haus GmbH |
1 / 10 page iC-VJ, iC-VJZ LASER DIODE CONTROLLER Rev A1, Page 1/10 FEATURES o Laser diode driver of up to 250 mA o Averaging control of laser power o Protective functions to prevent destruction of laser diode o Laser-current monitor with current or voltage output o Integrated RC oscillator up to 4 MHz o Integrated 16:1 divider for pulse generation in the kHz range o Stable 1:1 pulse duty ratio o Simple adjustment of the laser power via external resistor o Soft-start at power-on o Complementary pulse repetition frequency output for ECL level o Shutdown in case of overtemperature o Single 5 V power supply o Very few external components o iC-VJ for laser diodes with 50 to 500 µA monitor current o iC-VJZ for laser diodes with 0.15 to 1.5 mA monitor current APPLICATIONS o Transmitter for laser light barri- ers from 1 to 200 kHz PACKAGES SO16N BLOCK DIAGRAM DC−Monitor 5V Sync 6 5 3 2 4 7 1 Q NQ NQ OUTPUT MONITOR REFERENCE DIVIDER TH−SHUTDOWN POWER ON OSCILLATOR DRIVER 16:1 R1 800 Ω C1 100pF RSET 10k Ω R3 10k Ω C2 100nF..470nF C3 100nF C4 100 µF AGND AMD CI usable LD models MD LD iC−VJ/VJZ 3 2 1 1:1 iC−VJ 1:3 iC−VJZ 14 15 13 MO MI 4 VCC 12 ISET 11 7 9 KLD GND R RC 6 5 PRF NPRF Copyright © 2006 iC-Haus http://www.ichaus.com |
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