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IC-HK Datasheet(PDF) 2 Page - IC-Haus GmbH |
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IC-HK Datasheet(HTML) 2 Page - IC-Haus GmbH |
2 / 10 page iC-HK, iC-HKB 155 MHz LASER SWITCH Rev F2, Page 2/10 DESCRIPTION Laser Switch iC-HK/B enables the spike-free switch- ing of laser diodes with well-defined current pulses at frequencies ranging from DC to 155 MHz. The diode current is determined by the voltage at pin CI and by the resistors RK1 and RK2. The two fast switches are controlled independently via CMOS inputs EN1 and EN2. The laser diode can thus be turned on and off or switched between different cur- rent levels defined by the ratio of RK1 and RK2. Each channel can be operated at 150 mA DC and up to 700 mA pulsed current depending on the frequency, duty cycle and heat dissipation. The integrated thermal shutdown feature prevents damage from excessive temperature. PACKAGING INFORMATION SO8-TP, MSOP8-TP to JEDEC PIN CONFIGURATION SO8-TP 1 2 3 4 5 6 7 8 <A-CODE> <P-CODE> <P-CODE> PIN CONFIGURATION MSOP8-TP 1 2 3 4 5 6 7 8 <P-CODE> <A-CODE> PIN FUNCTIONS No. Name Function 1 EN1 Channel 1 Switching Input 2 AGND1 Channel 1 Reference Ground 3 LDK Driver Output (LD Cathode) 4 AGND2 Channel 2 Reference Ground 5 EN2 Channel 2 Switching Input 6 GND Ground 7 VDD +5 V Supply Voltage 8 CI Voltage Reference for Current Control The Thermal Pad is to be connected to a Ground Plane on the PCB. |
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