DC-AC INVERTER UNIT CXA-P1212C-WJL (8W DUAL OUTPUTS WITH DIMMING FUNCTION) DESCRIPTION : This low profile DC to AC Inverter is developed for dual lamps, low power LCD back-light. Application includes industrial PC and LCD monitor. APPLICABLE LCD: 8 to 12 inches double lamp type Lamp Voltage 600Vrms Lamp Current 6mArms Lamp Start Up Voltage 1700Vrms (Vin : 12V) FEATURES : Wide operating temperature range Alarm signal function PWM dimming type. Current Feedback Circuit Silicon Coating in High Voltage area TEMPERATURE & HUMDITY : Operating Temperature Range Storage Temperature Range Humidity 2 3 1 DIMENSIONS : -10°C ~ +70°C -30°C~ +85°C 95 %RH max CN1-7 CN2 CXA-P1212C-WJL 1415 MADE IN JAPAN 1 21.5 ± 0.5 CN1 CN1-1 14 ± 0.3 2 - Ø3.5 ± 0.2 CAUTION HIGH VOLTAGE 107 ± 0.5 10.25 ± 0.5 153 ± 0.5 No. 1 2 3 Part Description PWB Connector CN1 Connector CN2 Qty. 1 1 1 CN1 : 53261-0790 (Molex) Pin CN1-1 CN1-2 CN1-3 CN1-4 Symbol Note Vin 10.8 ~ 13.2V GND 0V CN1-5 Vrmt 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-6 CN1-7 Vst*1 Vbr / Rbr (1.0) High Voltage generation area:75mm 8.5 MAX Silicone Note UL94V-0 t=1.0mm 53261-0790 (Molex) SM03(7-D1)B-BHS-1 or SM04(4.0)B-BHS Unit : mm Weight :25 (g) typ. (JST) CN2 : SM03(7-D1)B-BHS-1 or SM04(4.0)B-BHS-1 (JST) Pin Symbol Note CN2-1 Vhigh1 600Vrms (6mArms) 600Vrms (6mArms) CN2-2 Vhigh2 N.C. CN2-3 Vlow CN2-4 (2V) 0V / 5V 0 ~ 2.5V / 0 ~ 50k Ω *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails Power Systems – The Power Solution Web: Email: www.Power-Systems.de [email protected] All specification are subject to change without notice. Address: Dörnet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80 Page (1 / 2) VER, 04 February 2004 DC-AC INVERTER UNIT CXA-P1212C-WJL (8W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbol Vin (V) 12 ± 1.2 Output Current 12 ± 0.6 Iout1 / Iout2 12 ± 0.6 Vbr (V) 5 ± 0.25 5 ± 0.25 5 ± 0.25 Specifications Vbr / VR Ta (°C ) 0V / 0 Ω -10 ~ +70 0V / 0 Ω 23 ± 5 0V / 0 Ω -10 ~ +70 -10 ~ +70 12 ± 0.6 Input Current 2 Iin2 12 ± 0.6 0 ± 0.25 0V / 0 Ω Frequency FL 12 ± 0.6 5 ± 0.25 0V / 0 Ω Open Voltage Vopen 10.8 5 ± 0.25 0V / 0 Ω -10 ~ +70 12 ± 1.2 5 ± 0.25 0V / 0 Ω -10 ~ +70 12 ± 1.2 5 ± 0.25 0V / 0 Ω -10 ~ +70 12 ± 1.2 5 ± 0.25 0V / 0 Ω Vst 5.3 6.0 6.7 mArms 5.5 6.0 6.5 mArms 1.2 2.0 2.8 mArms Min Brightness. - 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 RL2 (k Ω) // CL2(pF) 85 ~ 95 // 5 85 ~ 95 // 5 Max Brightness. 90 // 5 Iin1 Alarm Signal (Note 4) max. 90 // 5 Input Current 1 -10 ~ +70 -10 ~ +70 90 // 5 90 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 ∞ Note typ. 90 // 5 23 ± 5 Unit min. 90 // 5 2.5V / 50kΩ 5 ± 0.25 RL1 (k Ω) // CL1(pF) 85 ~ 95 // 5 ∞ ∞ 85 ~ 95 // 5 85 ~ 95 // 5 85 ~ 95 // 5 Normal Note 1 : Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. Note 2 : Open circuit on all lamps for more than 3 seconds, will shut the inverter down. TEST CIRCUIT : Vin A F Iin 10.8~13.2V 1000:1 PROBE FL Vopen V ~ CN1-1 CN1-2 V CN2-1 CN1-3 CN1-4 a Vrmt 0/5V V b SW1 CN1-5 SW3 SW4 Q6 T1 CN2-2 C10 RL2 A A ~ ~ Iout2 Iout1 CN1-6 Vst V CN2-4 SW5 a Vbr 0~2.5V V b SW2 Operation of unit a Operation b Non operation RL1 CL2 C25 SW1 CL1 SW2 Operation of unit a Voltage dimming Vbr=0~2.5V b Variable resistance dimming VR=0~50k Ω CN1-7 Rbr 0~50k Ω Note 3: In test circuit; 5pF capacitor 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). Power Systems – The Power Solution Web: Email: www.Power-Systems.de [email protected] All specification are subject to change without notice. Address: Dörnet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80 Page (2 / 2) VER, 04 February 2004