DC-AC INVERTER UNIT CXA-0338 (8W DUAL OUTPUTS WITH DIMMING FUNCTION) PRELIMINARY INFORMATION 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) 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 Silicone 105 ± 0.5 82 ± 0.3 (2) 13 ± 0.5 CXA-0308 0X18 MADE IN JAPAN CN1 CN1-1 CAUTION HIGH VOLTAGE CN2 5 ± 0.5 15 ± 0.3 25 ± 0.5 DIMENSIONS : -10 °C ~ +70 °C -30 °C ~ +85 °C 95 %RH max CN2-3 CN2-1 CN1-8 8.5MAX 3 (2) 2 - Ø2.5 ± 0.2 2 Unit : mm Weight :20 (g) typ. 1 High Voltage generation area 60mm No. Part Description Qty. Note 1 PWB 1 UL94V-0 t=1.0mm 2 Connector CN1 1 53261-0890 (Molex) 3 Connector CN2 1 SM03(4.0)B-BHS (JST) CN1 : 53261-0890 (Molex) Pin CN1-1 CN1-2 CN1-3 Symbol Note Vin 10.8 ~ 13.2V GND 0V CN1-5 Vrmt 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-6 Vbr1 / Rbr1 0 ~ 2.5V / 0 ~ 50k Ω CN1-7 Vbr2 / Rbr2 GND / 0 ~ 50k Ω CN1-8 Vst*1 0V / 5V CN1-4 General Information Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 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 (Japan) (USA) (EU) 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) PRELIMINARY INFORMATION ELECTRICAL CHARACTERISTICS : Specifications Conditions Parameters Symbol Iout1 / Iout2 Output Current Vrmt (V) Vin (V) Vbr / VR Ta (°C ) 12 ± 1.2 5 ± 0.25 0V / 0 Ω -10 ~ +70 12 ± 0.6 5 ± 0.25 0V / 0 Ω 23 ± 5 12 ± 0.6 5 ± 0.25 2.5V / 50kΩ 23 ± 5 TBD TBD TBD TBD 12 ± 0.6 5 ± 0.25 0V / 0 Ω -10 ~ +70 Input Current 2 Iin2 12 ± 0.6 0 ± 0.25 0V / 0 Ω -10 ~ +70 Frequency F1 12 ± 0.6 5 ± 0.25 0V / 0 Ω -10 ~ +70 Frequency (Duty) F2 12 ± 0.6 5 ± 0.25 2.5V / 50kΩ -10 ~ +70 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 -10 ~ +70 TBD TBD TBD TBD TBD TBD TBD TBD ∞ ∞ TBD ∞ ∞ TBD (Note 4) Unit typ. max. TBD 5.0 TBD mArms TBD 5.0 TBD mArms TBD 2.0 TBD mArms - TBD TBD Adc - - 1 mAdc TBD (55) TBD kHz TBD 270 TBD Hz TBD TBD TBD Vrms 4.5 5.0 5.5 Vdc RL2 // CL2 open 4.5 5.0 5.5 Vdc RL1 // CL1 open TBD TBD - 0 0.5 Vdc 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. F TEST CIRCUIT : Vin 10.8~13.2V A Iin 1000:1 PROBE F CN1-1 CN1-2 Vbr 0~2.5V V b SW1 Q6 T1 C10 RL2 Iout2 b CN1-6 SW2 SW5 CN2-1 CN1-7 Rbr 0~50k CN1-8 Vst General Information CN1-5 SW1 SW4 CN2-2 C25 a V Note 3: Note 4 : Vopen V ~ CN2-3 a Min Brightness. SW3 V CN1-3 CN1-4 Vrmt 0/5V Note min. Max Brightness. TBD Iin1 Vst RL2 (k Ω) // CL2(pF) TBD Input Current 1 Alarm SIgnal RL1 (kΩ) // CL1(pF) V A ~ RL1 CL2 Iout1 A ~ CL1 Operation of unit a Operation b Non operation SW2 Operation of unit a Voltage dimming Vbr=0~2.5V b Variable resistance dimming VR=0~50kΩ 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) All specification are subject to change without notice. Page ( 2 / 2 ) CXA E VER, 2002/02/15 CTGB8V035-X