DC-AC INVERTER UNIT CXA-P1212-228 (R)( (8W DUAL OUTPUTS WITH DIMMING FUNCTION) DESCRIPTION : This low profile DC/AC inverter is developed for dual lamps and low power LCD backlight displays. Applicable LCD; 8 to 12 inches types of double lamps Lamp Voltage 570Vrms Lamp Current 5mArms Lamp Start Up Voltage 1700Vrms (Vin : 12V) FEATURES : Wide operating temperature range Signal alarm function PWM dimming function Current feedback circuit Silicon varnish in High Voltage areas TEMPERATURE & HUMDITY : Operating Temperature Range Storage Temperature Range Humidity 1 °C °C -10 °C ~ +50°C -30 ~ +85 95 %RH3max 2 2 - Ø3.5 ± 0.2 CN1 14 ± 0.3 CN1-1 CN1-7 1 CN2 CXA-P1212C-W JL 1415 MADE IN JAPAN 21.5 ± 0.5 DIMENSIONS : CAUTION HIGH VOLTAGE 107 ± 0.5 10.25 ± 0.5 Unit : mm Weight :25 (g) typ. 153 ± 0.5 No. 1 2 Part Description PWB Connector CN1 Qty. 1 1 3 Connector CN2 1 CN1 : 53261-0790 (Molex) Pin CN1-1 Symbol Note Vin 10.8 ~ 13.2V GND 0V CN1-5 Vrmt 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-6 Vst*1 0V / 5V CN1-7 Vbr / Rbr 0 ~ 2.5V / 0 ~ 50k CN1-2 CN1-3 CN1-4 8.5 MAX High Voltage generation area:75mm (1.0) Silicone Note UL94V-0 53261-0790 t=1.0mm (Molex) SM04(4.0)B-BHS-1 (JST) CN2 : SM03(7-D1)B-BHS-1 (JST) Pin Symbol Note CN2-1 Vhigh1 570Vrms (5mArms) 570Vrms (5mArms) CN2-2 Vhigh2 CN2-3 CN2-4 N.C. Vlow GND *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails General Information Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 (Japan) (USA) (EU) All specification are subject to change without notice. Page ( 1 / 2 ) CXA E VER, 2014/05/20 CTGB8V007-B DC-AC INVERTER UNIT CXA-P1212-228 (R)( (8W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Output Current Symbol Vin (V) Vbr (V) Vbr / VR Ta (°C ) 12 ± 1.2 5 ± 0.25 0V / 0 -10 ~ +50 0V / 0 23 ± 5 12 ± 0.6 Iout1 / Iout2 Specifications 5 ± 0.25 12 ± 0.6 5 ± 0.25 2.5V / 50k 23 ± 5 0V / 0 -10 ~ +50 Input Current 1 Iin1 12 ± 0.6 Input Current 2 Iin2 12 ± 0.6 0 ± 0.25 0V / 0 -10 ~ +50 Frequency FL 12 ± 0.6 5 ± 0.25 0V / 0 -10 ~ +50 Open Voltage Vopen 10.8 5 ± 0.25 0V / 0 -10 ~ +50 12 ± 1.2 5 ± 0.25 0V / 0 -10 ~ +50 12 ± 1.2 5 ± 0.25 0V / 0 -10 ~ +50 12 ± 1.2 5 ± 0.25 0V / 0 -10 ~ +50 Alarm Signal (Note 4) Vst 5 ± 0.25 RL1 (k) // CL1(pF) RL2 (k ) // CL2(pF) 85 ~ 95 // 5 85 ~ 95 // 5 max. 4.3 5.0 5.7 mArms 4.5 5.0 5.5 mArms 1.2 1.5 1.7 mArms - 0.8 1.0 Adc - - 1.0 mAdc 35 40 45 kHz 1500 1700 - Vrms 4.5 5.0 5.5 Vdc RL2 // CL2 open 4.5 5.0 5.5 Vdc RL1 // CL1 open - 0 0.5 Vdc Normal Max Brightness. 90 // 5 90 // 5 90 // 5 90 // 5 90 // 5 90 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 Please keep a minimum of 2mm clearance in all directions between inverter high voltage areas and any conductors as marked on mechanical drawing. Note 2 : Open circuit in all lamps can be detected and shut down within 3 sec. F Iin A Vopen CN1-1 CN1-2 CN2-1 b SW4 CN2-2 T1 a V Q6 RL2 C10 SW1 CL2 A ~ C25 Iout2 V Vst CN2-4 SW5 a V b RL1 CN1-5 CN1-6 Vbr 0~2.5V V ~ SW3 V CN1-3 CN1-4 Vrmt 0/5V Min Brightness. 1000:1 PROBE FL Vin 10.8~13.2V Note typ. Note 1 : TEST CIRCUIT : Unit min. CN1-7 SW2 CL1 A ~ Iout1 SW1 Operation of unit a Operation b Non operation SW2 Operation of unit a Voltage dimming Vbr=0~2.5V b Variable resistance dimming VR=0~50k Rbr 0~50k Note 3: In test 5pF capacitor circuit; across the load resistor is add to simulate LCD back-light stray capacitor. Note 4 : In test circuit; if any of switches SW3, Sw4 or SW5 opens , then the alarm signal will be activated (+5V). General Information Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 (Japan) (USA) (EU) All specification are subject to change without notice. Page ( 2 / 2 ) CXA E VER, 2014/05/20 CTGB8V007-B