page 1 of 2 397 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 AC9-V2R-1878 product data sheet 01/28/10 ccfl inverter (for quad tube applications) general description the AC9-V2R-1878 is designed to power typically 4 ccfls up to power levels of 20 watts from a nominal +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 +3.3v reference voltage is available at pin 7 of con1 for external use. all outputs are open and short circuit protected. this unit is rohs compliant. mechanical/environmental weight = 40 grams altitude = 10,000 ft max. humidity < 85% non-condensing size (l x w x h) = 6.34 in x 1.26 in x 0.360 in pcb thickness = 0.062 in mounting holes = 0.138 in diameter (x2) input power and control connector = con1 ccfl output connectors = con2 con5 ? ? ? ? 6.34 in 1.26 in con1 con3 con2 con5 con4 5.04 in 0.65 in 0.66 in 0.30 in 0.138 in dia hole (x2) 0.360 in 0.062 in (pcb) input connector con1 molex 53261-0871 pin # function 1 +12v(pwr) 2 +12v(pwr) 3 gnd(pwr) 4 gnd(pwr) 5 enable 6 vcntl 7 +3.3v ref out 8 tbd ? output connector con2 - con5 jst sm03(4.0)b-bhs-1-tb(lf) pin # function 1 ccfl hot 2 nc 3 ccfl cold
page 2 of 2 397 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 AC9-V2R-1878 product data sheet 01/28/10 maximum ratings* symbol parameter value unit vin supply voltage (referenced to ground) -0.7 to 14.0 vdc vip voltage applied to any input pin (referenced to ground) -0.7 to 3.6 vdc iop current sourced or sinked from any output pin +/- 10 madc pin input power (dc input voltage x dc input current) 27.5 w top operating temperature (still air ambient around inverter) 0 to +70 c tstg storage temperature -20 to +105 c *maximum ratings are those values beyond which damage to the inverter may occur recommended operating conditions symbol parameter min max unit vin supply voltage (referenced to ground) 10.8 13.2 vdc lsv cold cathode fluorescent lamp sustaining voltage 500 850 vrms vcntl intensity control voltage 0 5.0 vdc electrical characteristics vin = +12.0v, lsv = 675vrms, vcntl = +5v, enable = +3.3v unless otherwise specified symbol parameter test conditions min max unit lstart lamp starting voltage open circuit 1800 vrms lout lamp output current 6.75 8.25 marms lfreq lamp-current frequency 49 60 khz pfreq pwm dimming frequency vcntl (pin 6) = +2.5v 95 101 hz pdc pwm duty cycle range vcntl (pin 6) = 0 to + 5.0v 0 100 % enoff enable control, unit off (pin 5) 0.495 vdc enon enable control, unit on (pin 5) 1.6 vdc +3.3vout +3.3v reference out (pin 7) 10k load to ground 3.13 3.47 vdc iin input current draw 2.1 adc eff electrical efficiency 90 %
|
