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| DC-AC INVERTER UNIT CXA-0320 (5W 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; NL3224BC35-20 (NEC 5.5 inch dual lamp type) Lamp Voltage 340Vrms Lamp Current 5mArms Lamp Start Up Voltage 1250Vrms FEATURES : Wide operating temperature range Alarm signal function PWM dimming type. 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 103 0.5 97.0 0.2 DIMENSIONS : (3.0) 30.0 0.5 17.0 0.2 (4) CN1 CN2 2 - O2.9 0.2 CN3 Unit : mm Weight :25 (g) typ. 8.0max (1.0) Note 1 : Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. No. 1 2 3 Part Description PWB Connector CN1 Connector CN2 , CN3 Qty. 1 1 2 Note UL94V-0 53261-0890 SM02(8.0)B-BHS-1 t=1.0mm (Molex) (JST) CN1 : 53261-0890 (Molex) Pin CN1-1 CN1-2 CN1-3 CN1-4 CN1-5 CN1-6 CN1-7 CN1-8 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 GND / 0 ~ 50k 0V / 5V CN2 : SM02(8.0)B-BHS-1 (JST) Pin Symbol Note Vhigh1 340Vrms / 5mArms CN2-1 CN2-2 CN2-3 N.C. Vlow1 (2V) CN3 : SM02(8.0)B-BHS-1 (JST) Pin Symbol Note Vhigh2 340Vrms / 5mArms CN3-1 CN3-2 CN3-3 N.C. Vlow2 (2v) Power Systems - The Power Solution Web: Email: www.Power-Systems.de Info@Power-Systems.de All specification are subject to change without notice. *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80 Page ( 1 / 2 ) VER, 04 October 2002 DC-AC INVERTER UNIT CXA-0320 (5W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbol Vin (V) 12 Output Current Iout1 / Iout2 12 Input Current 1 Input Current 2 Frequency Frequency (Duty) Open Voltage Iin1 Iin2 F1 F2 Vopen 12 12 12 12 12 12 Alarm SIgnal (Note 4) 12 5 0 23 5 Specifications Ta (C ) 23 5 23 5 23 5 23 5 23 5 23 5 23 5 23 5 23 5 Vrmt (V) 5 5 5 0 5 5 5 5 5 Vbr (V) 0 3 0 0 0 3 0 0 0 RL1 (k) RL2 (k) 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 min. 4.5 1.7 39 300 1200 4.5 4.5 - typ. 5.0 2.2 0.40 43 330 1250 5.0 5.0 0 max. 5.5 2.7 0.75 1 47 360 1500 5.5 5.5 0.5 Unit Note mArms mArms Adc mAdc kHz Hz Vrms Vdc Vdc Vdc Max Brightness. Min Brightness. RL2 open Vst 12 RL1 open Normal TEST CIRCUIT : F Iin V CN1-3 CN1-4 IC02 Vrmt 0/5V F2 CN1-1 CN1-2 CN21 T1 SW1 CN1-5 F1 Q04 SW2 CN1-6 CN3-3 CN1-7 CN1-8 Vst V CN2-3 CN31 C05 C06 Io2 SW5 SW6 SW3 SW4 RL2 A ~ RL1 1000:1 PROBE SW1 Vopen V ~ Operation of unit Operation Non operation Non operation Vin 10.8~13.2V A a b OPEN a V b SW2 Io1 A ~ Operation of unit Voltage Dimming Vbr=0~2.5V Valiable resistance Dimming Rbr=0~50k Operation of warning signal Operation(5V Output) Non operation(0V Output) Vbr 0~2.5V a V Rbr 0~50k a b b RL1,2:Load resistance (7W min.) SW3~6 Open Close Vbr=0V :brightness max. Rbr=0 :brightness max. Power Systems - The Power Solution Web: Email: www.Power-Systems.de Info@Power-Systems.de Page ( 2 / 2 ) Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80 VER, 04 October 2002 All specification are subject to change without notice. |
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