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| AC3-12-1902 397 Route 281 P.O. Box 1175 Tully, New York 13159-1175 Phone: 315 696-6676 Fax: 315 696 9923 Email: sales@acipower.com www.acipower.com PRODUCT DATA SHEET 02/03/10 CCFL INVERTER (For Multiple Tube Applications) GENERAL DESCRIPTION The AC3-12-1902 is designed to power 2 CCFLs to a nominal power level of 12 Watts from a +12V source. Intensity control is accomplished by the user providing a DC voltage level at PIN 6 of CON1. Enable control is accomplished at pin 5 of CON1. A +5V reference voltage is available at PIN 7 of CON1 for external use. The PWM dimming frequency of the inverter can be synchronized to the LCD frame rate via PIN 8 of CON1. All outputs are open and short circuit protected. MECHANICAL/ENVIRONMENTAL Weight = 20 grams Altitude = 10,000 ft max. Humidity < 85% non-condensing Size (L x W x H) = 5.4 IN x 0.7 IN x 0.357 IN PCB thickness = 0.062 IN Mounting Holes = 0.120 IN diameter (X2) Input Power & Control Connector = CON1 CCFL Output Connectors = CON2 and CON3 Page 1 of 2 AC3-12-1902 397 Route 281 P.O. Box 1175 Tully, New York 13159-1175 Phone: 315 696-6676 Fax: 315 696 9923 Email: sales@acipower.com www.acipower.com PRODUCT DATA SHEET 02/03/10 MAXIMUM RATINGS* Symbol Vin Vip Iop Pin Top Tstg Parameter Supply Voltage (Referenced to Ground) Voltage applied to any Input Pin (Referenced to Ground) Current sourced or sinked from any Output Pin Input Power (DC Input Voltage x DC Input Current) Operating Temperature (Still air ambient around Inverter) Storage Temperature Value -0.7 to 14.0 -0.7 to 5.7 +/- 10 16.3 0 to +70 -40 to +105 Unit Vdc Vdc mAdc W C C *Maximum Ratings are those values beyond which damage to the inverter may occur. RECOMMENDED OPERATING CONDITIONS Symbol Vin Lsv VSYif Vcntl Parameter Supply Voltage (Referenced to Ground) Cold Cathode Fluorescent Lamp Sustaining Voltage Vertical Synchronization Input Frequency Intensity Control Voltage Min 10.8 562 48 0.5 Max 13.2 938 62 4.5 Unit Vdc Vrms Hz Vdc ELECTRICAL CHARACTERISTICS Vin = +12.0V, Lsv = 750Vrms, Vcntl = +4.5V, Enable = +5V unless otherwise specified Symbol Parameter Test Conditions Min Lstart Lamp Starting Voltage Open Circuit 2000 Lout Lamp Output Current 7.2 Lfreq Lamp-Current Frequency 37.8 Pfreq PWM Dimming Frequency Vcntl (PIN 6) = +2.5V Vsync-In (Pin 8) = 0V 95 Vsync-In (PIN 8) = 60 Hz 119.8 Pdc PWM Duty Cycle Range Vcntl (PIN 6) = +0.5 to 0 +4.5V ENoff Enable Control unit OFF (Pin 5) ENon Enable Control unit ON (PIN 5) 2.0 VSYhi Vertical Sync In HI Level (PIN 8) 3.5 VSYlo Vertical Sync In LO Level (PIN 8) +5Vout +5V Reference Out (PIN 7) 10K Load to Ground 4.6 Iin Input Current Draw Eff Electrical Efficiency 90 Max 8.8 46.2 101 120.2 100 0.8 Unit Vrms mArms KHz Hz Hz % Vdc Vdc Vdc Vdc Vdc Adc % 0.8 5.25 1.3 Page 2 of 2 |
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