CXA-0338

DC-AC INVERTER UNIT CXA-0338 (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; NL8060BC31-20 / NL8060BC31-17 (NEC) Lamp Voltage 600Vrms Lamp Current 5mArms Lamp Start Up Voltage 1250Vrms (Vin : 12V) PRELIMINARY INFORMATION 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 5 ± 0.5 -10 °C ~ +70 °C -30 °C ~ +85 °C 95 %RH max 105 ± 0.5 Silicone DIMENSIONS : (2) 82 ± 0.3 13 ± 0.5 CN2-3 CN2-1 3 25 ± 0.5 15 ± 0.3 CN1-1 CN1-8 8.5MAX 2 CN1 CXA-0308 0X18 MADE IN JAPAN CAUTION HIGH VOLTAGE CN2 2 - Ø2.5 ± 0.2 1 (2) Unit : mm Weight :20 (g) typ. High Voltage generation area 60mm No. 1 2 3 Part Description PWB Connector CN1 Connector CN2 Qty. 1 1 1 UL94V-0 53261-0890 Note t=1.0mm (Molex) (JST) SM03(4.0)B-BHS CN1 : 53261-0890 (Molex) Pin CN1-1 CN1-2 CN1-3 CN1-4 CN1-5 CN1-6 CN1-7 CN1-8 General Information Symbol Vin GND Vrmt Vbr1 / Rbr1 Vbr2 / Rbr2 Vst*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 (Japan) (USA) (EU) CN2 : SM03(4.0)B-BHS (JST) Pin Symbol Vlow CN2-1 CN2-2 CN2-3 Vhigh2 Vhigh1 Note (2V) 600Vrms (5mArms) 600Vrms (5mArms) *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 All specification are subject to change without notice. Page ( 1 / 2 ) CXA E VER, 2002/02/15 CTGB8V035-X DC-AC INVERTER UNIT CXA-0338 (8W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbol Vin (V) 12 ± 1.2 PRELIMINARY INFORMATION Specifications Ta (°C ) -10 ~ +70 23 ± 5 23 ± 5 Vrmt (V) 5 ± 0.25 5 ± 0.25 5 ± 0.25 5 ± 0.25 Vbr / VR 0V / 0 Ω 0V / 0 Ω 2.5V / 50kΩ 0V / 0 Ω 0V / 0 Ω 0V / 0 Ω 2.5V / 50kΩ 0V / 0 Ω 0V / 0 Ω 0V / 0 Ω 0V / 0 Ω RL1 (kΩ) // CL1(pF) RL2 (k Ω) // CL2(pF) TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD ∞ ∞ TBD ∞ ∞ TBD TBD TBD min. TBD TBD TBD TBD TBD TBD 4.5 4.5 - typ. 5.0 5.0 2.0 TBD (55) 270 TBD 5.0 5.0 0 max. TBD TBD TBD TBD 1 TBD TBD TBD 5.5 5.5 0.5 Unit Note mArms Max Brightness. Output Current Iout1 / Iout2 12 ± 0.6 12 ± 0.6 12 ± 0.6 mArms mArms Adc mAdc kHz Hz Vrms Vdc Vdc Vdc RL2 // CL2 open Min Brightness. Input Current 1 Input Current 2 Frequency Frequency (Duty) Open Voltage Iin1 Iin2 F1 F2 Vopen -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 12 ± 0.6 12 ± 0.6 12 ± 0.6 0 ± 0.25 5 ± 0.25 5 ± 0.25 10.8 12 ± 1.2 5 ± 0.25 5 ± 0.25 5 ± 0.25 5 ± 0.25 Alarm SIgnal (Note 4) Vst 12 ± 1.2 12 ± 1.2 RL1 // CL1 open Normal Note 1 : Note 2 : Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. Open circuit on all lamps for more than 3 seconds, will shut the inverter down. F Iin V CN1-3 CN1-4 Vrmt 0/5V CN1-1 CN1-2 CN2-3 SW4 TEST CIRCUIT : Vin 10.8~13.2V A F 1000:1 PROBE Vopen V ~ SW3 SW1 RL1 CL2 Iout1 Operation of unit Operation Non operation a V b SW1 CN1-5 Q6 T1 CN2-2 C10 C25 RL2 A ~ a CL1 Vbr 0~2.5V a V Rbr 0~50k Vst V Iout2 A ~ b CN1-6 SW2 CN1-7 CN1-8 CN2-1 b SW5 SW2 a b Operation of unit Voltage dimming Vbr=0~2.5V Variable resistance dimming VR=0~50kΩ Note 3: Note 4 : General Information In test circuit; 5pF capacitor across the load resistor is add to simulate LCD back-light stray capacitor. In test circuit; if any of switches SW3, Sw4 or SW5 opens , then the alarm signal will be activated (+5V). Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 (Japan) (USA) (EU) Page ( 2 / 2 ) CXA E VER, 2002/02/15 CTGB8V035-X All specification are subject to change without notice.