DC-AC INVERTER UNIT CXA-0308 (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: 10 to 12 inches double lamp type Lamp Voltage 600Vrms Lamp Current 5m Arms Lamp Start Up Voltage 1250Vrms (Vin : 12V) FEATURES : Wide operating tem perature range Alarm signal function PW M dimming type. Current Feedback Circuit Silicon Coating in High Voltage area TEMPERATURE & HUMDITY : Operating Temperature Range Storage Temperature Range Humidity 82 ± 0.3 13 ± 0.5 C XA-0308 0X18 MADE IN JAPAN CN1-1 CN2 (2) CN1 15 ± 0.3 25 ± 0.5 Silicone 105 ± 0.5 5 ± 0.5 DIMENSIONS : -10°C ~ +70°C -30°C~ +85°C 95 %RH m ax CAUTI ON HIGH VOLTAGE CN2-3 CN2-1 8.5MAX CN1-8 3Unit 2 - Ø2.5 ± 0.2 2 (2) : mm Weight :20 (g) typ. 1 High Voltage generation area 60mm No. 1 2 3 Part Description PWB Connector CN1 Connector CN2 CN1 : 53261-0890 (Molex) Pin Symbol CN1-1 Vin CN1-2 CN1-3 GND CN1-4 CN1-5 Vrmt CN1-6 CN1-7 CN1-8 Vbr1 / Rbr1 Vbr2 / Rbr2 Vst*1 Qty. 1 1 1 Note 10.8 ~ 13.2V 0V 0 ~ 0.4V : OFF 2.5V ~ Vin : ON 0 ~ 2.5V / 0 ~ 50k Ω GND / 0 ~ 50k Ω 0V / 5V Note UL94V-0 53261-0890 SM03(4.0)B-BHS t=1.0mm (Molex) (JST) CN2 : SM03(4.0)B-BHS (JST) Pin Symbol Vlow CN2-1 CN2-2 Vhigh2 Vhigh1 CN2-3 Note (2V) 600Vrms (5mArms) 600Vrms (5mArms) *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, 12 Juni 2003 DC-AC INVERTER UNIT CXA-0308 (8W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Param eters Symbol Output Current Iout1 / Iout2 Input Current 1 Iin1 Input Current 2 Iin2 Frequency F1 Frequency (Duty) F2 Open Voltage Vopen Alarm SIgnal (Note 4) Vst Specifications RL1 (k Ω) // CL1(pF) Vin (V) Vrmt (V) Vbr / VR Ta ( °C ) RL2 (k Ω) // CL2(pF) 95 ~ 105 // 5 12 ± 1.2 5 ± 0.25 0V / 0Ω -10 ~ +70 95 ~ 105 // 5 100 // 5 12 ± 0.6 5 ± 0.25 0V / 0Ω 23 ± 5 100 // 5 95 ~ 105 // 5 12 ± 0.6 5 ± 0.252.5V / 50kΩ 23 ± 5 95 ~ 105 // 5 100 // 5 12 ± 0.6 5 ± 0.25 0V / 0Ω -10 ~ +70 100 // 5 95 ~ 105 // 5 12 ± 0.6 0 ± 0.25 0V / 0Ω -10 ~ +70 95 ~ 105 // 5 95 ~ 105 // 5 12 ± 0.6 5 ± 0.25 Ω 0V / 0 -10 ~ +70 95 ~ 105 // 5 95 ~ 105 // 5 12 ± 0.6 5 ± 0.252.5V / 50kΩ -10 ~ +70 95 ~ 105 // 5 ¥ 5 ± 0.25 0V / 0Ω 10.8 -10 ~ +70 ¥ 95 ~ 105 // 5 12 ± 1.2 5 ± 0.25 0V / 0Ω -10 ~ +70 ¥ ¥ Ω 12 ± 1.2 5 ± 0.25 0V / 0 -10 ~ +70 95 ~ 105 // 5 95 ~ 105 // 5 12 ± 1.2 5 ± 0.25 0V / 0Ω -10 ~ +70 95 ~ 105 // 5 max. Unit Note min. typ. 4.3 5.0 5.7 mArms 4.5 5.0 5.5 mArms 1.8 2.5 3.2 mArms Min Bright. - 0.55 0.9 Adc - - 1 mAdc 50 55 60 kHz 220 250 280 Hz Max Bright.. 1200 1250 1500 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 Note 1 : Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as m arked on m echanic al drawing and any c onductors. Note 2 : Open circuit on all lam ps for more than 3 seconds, will shut the inverter down. TEST CIRCUIT : F Vin 10.8~13.2V A Iin 1000:1 PROBE F CN1-1 CN1-2 SW3 V CN2-3 CN1-3 CN1-4 Vrmt 0/5V Vbr 0~2.5V a V Vopen V ~ b SW1 CN1-5 Q6 CN2-2 C10 CL2 Iout2 b CN1-6 SW2 A ~ Iout1 SW5 CN2-1 CN1-7 Rbr 0~50k 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 Ω RL1 RL2 C25 a V SW4 T1 SW1 CL1 A ~ CN1-8 Vst V 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, 12 Juni 2003