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 CN2 CN1 17.0 ± 0.2 97.0 ± 0.2 (4) 30.0 ± 0.5 (3.0) CN3 DIMENSIONS : -10 °C ~ +70 °C -30 °C ~ +85 °C 95 %RH max 103 ± 0.5 2 - Ø2.9 ± 0.2 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 CN1 : 53261-0890 (Molex) Pin CN1-1 CN1-2 CN1-3 CN1-4 Symbol Note Vin 10.8 ~ 13.2V GND 0V CN1-5 Vrmt 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-6 CN1-7 CN1-8 Vbr1 / Rbr1 Vbr2 / Rbr2 Vst*1 0 ~ 2.5V / 0 ~ 50kΩ GND / 0 ~ 50kΩ 0V / 5V Power Systems – The Power Solution Web: Email: Note UL94V-0 53261-0890 SM02(8.0)B-BHS-1 t=1.0mm (Molex) (JST) 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 N.C. Vlow2 (2v) CN3-3 *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails www.Power-Systems.de [email protected] All specification are subject to change without notice. 8.0max (1.0) Unit : mm Weight :25 (g) typ. 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, 04 October 2002 DC-AC INVERTER UNIT CXA-0320 (5W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbol Vin (V) Vrmt (V) 12 5 Ta (°C ) Vbr (V) 0 Iout1 / Iout2 Output Current Specifications 12 5 3 23 ± 5 Iin1 12 5 0 23 ± 5 Input Current 2 Iin2 12 0 0 23 ± 5 Frequency F1 12 5 0 23 ± 5 Frequency (Duty) F2 12 5 3 23 ± 5 Open Voltage Vopen 12 5 0 23 ± 5 12 5 0 23 ± 5 12 5 0 23 ± 5 12 5 0 23 ± 5 Vst RL2 (kΩ) 63 23 ± 5 Input Current 1 Alarm SIgnal RL1 (kΩ) 63 63 63 63 63 63 63 63 63 63 63 ∞ ∞ 63 ∞ ∞ 63 (Note 4) 63 63 Unit Note 5.5 mArms Max Brightness. 2.2 2.7 mArms Min Brightness. - 0.40 0.75 Adc - - 1 mAdc 39 43 47 kHz 300 330 360 Hz 1200 1250 1500 Vrms 4.5 5.0 5.5 Vdc RL2 open 4.5 5.0 5.5 Vdc RL1 open - 0 0.5 Vdc Normal min. typ. max. 4.5 5.0 1.7 TEST CIRCUIT : F Vin 10.8~13.2V A 1000:1 PROBE F2 Iin CN1-1 CN1-2 CN1-3 CN1-4 IC02 Vrmt 0/5V Vbr 0~2.5V CN21 SW3 CN31 C05 SW4 V a V b T1 SW1 CN1-5 F1 Q04 a V b SW2 Rbr 0~50k Ω CN3-3 CN1-8 Vst CN2-3 SW1 Operation of unit a Operation b Non operation OPEN Non operation RL1 SW2 Io2 CN1-7 V RL2 C06 CN1-6 Vopen V ~ A ~ Io1 A ~ Operation of unit a Voltage Dimming Vbr=0~2.5V b Valiable resistance Dimming Rbr=0~50kΩ SW5 SW6 RL1,2:Load resistance (7W min.) Vbr=0V :brightness max. Rbr=0Ω :brightness max. SW3~6 Operation of warning signal Open Operation(5V Output) Close Non operation(0V Output) 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, 04 October 2002