DC-AC INVERTER UNIT CXA-0349 (QUAD OUTPUTS WITH DIMMING FUNCTION) DESCRIPTION : This low profile DC to AC Inverter is developed for quad lamps LCD back-light. Application includes LCD Monitor and Industrial PC. Applicable LCD; 15 inch quad lamp type Lamp Voltage 650Vrms Lamp Current 6,5mArms Lamp Start Up Voltage 2100Vrms (Vin : 12V) FEATURES : PWM dimming Current Feedback Circuit Regulated output current Silicon coating in High Voltage area TEMPERATURE & HUMDITY : Operating Temperature Range Storage Temperature Range Humidity -10°C ~ +70°C -30°C ~ +85°C 95 %RH max DIMENSIONS : Top View 180.0±0.5 （3.5） 80.0±0.3 93.0±0.3 （3.5） 1 37.0±0.5 28.0±0.3 CN04 CN05 CN03 1 1 CAUTIO N HIGH VOLTAG E L01 T02 C05 C35 T01 L02 1 CN01 7 1 CAUTION HIGH VOLTAGE CN02 3-φ3.0 3 2 1 3 （1） 12max. Side View . Bottom View Label(Example) MADE IN JAPAN CXA-0349 3529 Unit : mm 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 / 3) VER, 25 Sept. 2003 DC-AC INVERTER UNIT CXA-0349 (QUAD OUTPUTS WITH DIMMING FUNCTION) No. Part Description Qty. Note 1 PWB 1 UL94V-0 2 Connector CN1 1 S7B-PH-SM3 t=1.0mm (JST) 3 Connector CN2,3,4,5 4 SM02B-BHSS-1 (JST) CN2,CN3,CN4,CN5 : SM02B-BHSS-1 (JST) CN1 : S7B-PH-SM3 (JST) Pin Symbol CN1-1 Vin CN1-2 CN1-3 Note 10.8 ~ 13.2V GND 0V CN1-5 Vbr / Rbr 0 ~ 2.5V / 0 ~ 50k CN1-6 Vst *1 0V / 5V CN1-7 Vrmt 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-4 Pin Input Voltage Grand Symbol Note CN2-1 / CN2-2 Vhigh1 / Vlow1 6.5mArms (650Vrms) CN3-1 / CN3-2 Vhigh2 / Vlow2 6.5mArms (650Vrms) CN4-1 / CN4-2 Vhigh3 / Vlow3 6.5mArms (650Vrms) CN5-1 / CN5-2 Vhigh4 / Vlow4 6.5mArms (650Vrms) Brightness Control Alarm Signal Remote Terminal *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbol Output Current Iout (mArms) Vin (V) Specifications Vrmt (V) Vbr (V) / Rbr (kΩ ) Ta (°C ) RL1 ~ 4 (kΩ ) min. typ. max. 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 80 6.0 6.7 7.4 12 ± 1.2 5 ± 0.25 0/0 23 ± 5 80 6.2 6.7 7.2 12 ± 1.2 5 ± 0.25 2.5 / 50 -10 ~ 70 80 1.4 / 1.1 2.4 / 2.1 3.4 / 3.1 Input Current1 Iin1 (Adc) 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 80 - 1.56 2.0 Input Current2 Iin2 (mAdc) 12 ± 1.2 0 ± 0.25 0/0 -10 ~ 70 80 - - 1 Frequency FL (kHz) 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 80 40 45 50 5 ± 0.25 0/0 -10 ~ 70 ∞ 1800 2100 - 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 R1 open 4.5 5.0 55 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 R2 open 4.5 5.0 5.5 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 R3 open 4.5 5.0 5.5 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 R4 open 4.5 5.0 5.5 12 ± 1.2 5 ± 0.25 0/0 -10 ~ 70 All of connect - 0.1 0.5 Open Voltage Alarm Signal Note 1 : Vopen (Vrms)10.8 ± 1.2 Vst (Vdc) Open circuit on all lamps for more than 3 seconds, will shut the inverter down 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 / 3) VER, 25 Sept. 2003 DC-AC INVERTER UNIT CXA-0349 (QUAD OUTPUTS WITH DIMMING FUNCTION) TEST CIRCUIT: Vin 10.8~13.2V Iin A CN1-1 CN1-2 CN2-1 V SW3 RL1 A ~ CN2-2 CN1-3 CN1-4 CN3-1 SW4 RL2 A ~ a V b SW1 CN4-1 Rbr 0~50k Vrmt 0/5V SW5 RL3 A ~ Io3 CN4-2 CN1-6 Vst Io2 CN3-2 CN1-5 Vbr 0~2.5V Io1 CN5-1 V SW6 RL4 A ~ Io4 CN5-2 a V CN1-7 b SW2 Vbr=0V :Brightness MAX. Rbr=0 :Brightness MAX. Note2. SW1(ON/OFF) Operation is as following; Note3. SW2(ON/OFF) Operation is as following; SW1 Operation of unit SW2 Operation of unit a Voltage dimming Vbr=0~2.5V a Operation b Non operation b Variable resistance dimming VR=0~50k Open Non operation Note4. SW3~6(Open/Close) Operation is as following; Note 5 : SW3~5 Operation of warning signal Open Operation (5V output) Close Non operation (0V output) In the circuit; if any of switches SW3,SW4,SW5 or SW6 opens, then the alarm signal will be active (+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 (3 / 3) VER, 25 Sept. 2003