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 AC-1302A product data sheet 02/04/13 ccfl inverter (for single tube applications) general description the AC-1302A is designed to power 1 ccfl tube to a nominal power level of 3 watts from an input voltage of +12vdc. intensity control is accomplished by the user providing a variable dc voltage level at pin 2. the AC-1302A is custom designed for palomar display products. enable control is accomplished at pin 3. all outputs are open and short circuit protected. mechanical/environmental weight = 15.3 grams altitude = 32,800 ft max. humidity < 85% non-condensing size (l x w x h) = 2.20 in x 1.15 in x 0.372 in pcb thickness = 0.062 in input power and control pins = pins 1, 2, 3, and 4 ccfl output pins = pins 5 and 7 high voltage area coated with 3m dp-190. entire assembly conformally coated with humiseal 1b73. 0.625 in 2.200 in pin 7 (0.975, 0.100) pin 5 (0.175, 0.100) pin 6 (0.575, 0.100) pin 4 (0.175, 2.100) pin 3 (0.775, 2.100) pin 2 (0.875, 2.100) pin 1 (0.975, 2.100) hole (0.100, 1.945) r 0.050 hole (1.050, 1.945) r 0.040 0.062 in (pcb) 1.150 in (0.00, 0.00) pin# function 1 +12v 2 vcntl 3 enable 4 gnd 5 hv out 1 6 n/c 7 hv common 0.372 in
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 AC-1302A product data sheet 02/04/13 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 5.7 vdc iop current sourced or sinked from any output pin +/- 10 madc pin input power (dc input voltage x dc input current) 4.0 w top operating temperature (still air ambient around inverter) -20 to +70 c tstg storage temperature -40 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 400 660 vrms vcntl intensity control 0.31 3.8 vdc electrical characteristics vin = +12.0v, lsv = 530vrms, vcntl = +3.8v, enable = +5.0v unless otherwise specified symbol parameter test conditions min nom max unit lstart lamp starting voltage open circuit 1650 vrms lout lamp output current 5.0 5.5 6.0 marms lfreq lamp-current frequency 42 46.5 51 khz pfreq pwm dimming frequency vcntl (pin 2) = +1.9v 95 101 hz pdc pwm duty cycle range vcntl (pin 2) = +0.31v to +3.8v 0 100 % enoff enable control, unit off (pin 3) 0.8 vdc enon enable control, unit on (pin 3) 2.0 vdc iin input current draw 0.32 adc eff electrical efficiency 90 %
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