DC-AC INVERTER UNIT CXA-0321 (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: 5 to 8 inches double lamp type Lamp Voltage 375Vrms Lamp Current 5mArms Lamp Start Up Voltage 1100Vrms FEATURES : Wide operating temperature range Alarm signal function PWM dimming type. Silicon Coating in High Voltage area TEMPERATURE & HUMDITY : Operating Temperature Range -10°C ~ +70°C Storage Temperature Range -30°C ~ +85°C Humidity 95 %RH max DIMENSIONS : 103.0 ± 0.5 1 CN1 17.0 ± 0.2 CN3 97.0 ± 0.2 CN2 (4) 30.0 ± 0.5 (3.0) No. 1 2 3 Part Description PWB Connector CN1 Connector CN2 , CN3 Qty. 1 1 2 CN1 : 53261-0890 (Molex) Pin Symbol CN1-1 Vin CN1-2 CN1-3 GND CN1-4 Note 5V 0V 0 ~ 0.4V : OFF 2.5V ~ Vin : ON CN1-6 Vbr 0 ~ 2.5V CN1-7 GND 0V CN1-8 Vst*1 0V / 5V *1. This is an output pin and it is active high (+5V) if any Lamp opens / fails CN1-5 Vrmt Note UL94V-0 53261-0890 SM02(8.0)B-BHS-1 8.0max Note 1: Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. (1.0) Unit : mm Weight :25 (g) typ. t=1.0mm (Molex) (JST) CN2 : SM02(8.0)B-BHS-1 (JST) Pin Symbol Vhigh1 CN2-1 CN2-2 N.C. Vlow1 CN2-3 Note 375Vrms (5mArms) 0V CN3 : SM02(8.0)B-BHS-1 (JST) Pin Symbol Vhigh2 CN3-1 CN3-2 N.C. Vlow2 CN3-3 Note 375Vrms (5mArms) 0V 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 / 2) VER, 02 Jan. 2004 DC-AC INVERTER UNIT CXA-0321 (5W DUAL OUTPUTS WITH DIMMING FUNCTION) ELECTRICAL CHARACTERISTICS : Specifications Conditions Parameters Output Current Symbol Vin (V) Vrmt (V) 5 5 Vbr (V) 0 Ta (°C ) 75 75 Iout1 / Iout2 5 5 3 5 5 0 Input Current 2 Iin2 5 0 0 Frequency F1 5 5 0 Frequency (Duty) F2 5 5 3 23 ± 5 Open Voltage Vopen 5 5 0 23 ± 5 5 5 0 23 ± 5 5 5 0 23 ± 5 5 5 0 Vst 75 23 ± 5 Iin1 Unit RL2 (kΩ ) 23 ± 5 Input Current 1 Alarm SIgnal RL1 (kΩ ) 75 75 23 ± 5 75 75 23 ± 5 75 75 23 ± 5 75 75 75 ∞ ∞ 75 ∞ ∞ 75 (Note 4) 75 23 ± 5 75 Note min. typ. max. 4.5 5.0 5.5 mArms Max Brightness. TBD 2.4 TBD mArms Min Brightness. - 1.0 TBD Adc - - 2 mAdc TBD 42 TBD kHz TBD 350 TBD Hz TBD 1100 - Vrms 4.5 5.0 5.5 Vdc RL2 open 4.5 5.0 5.5 Vdc RL1 open - 0 0.5 Vdc Normal Note 2: In test circuit; if any of switches SW2, Sw3 or SW4 opens , then the alarm signal will be activated (+5V). TEST CIRCUIT : F F1 Iin Operation of unit a Operation CN3-1 b Non operation CN2-1 Open Non operation SW2~4 Operation of warning signal Open Operation (5V output) Close Non operation (0V output) CN1-1 CN1-2 A Vin 5V SW1 1000:1 PROBE F2 V IC02 CN1-3 CN1-4 Vrmt 0/5V a V T1 C10 RL1 CN1-5 b SW1 C25 V CN1-7 RL2 A ~ Q05 CN1-6 (Q06) Vbr 0~2.5V Vopen V ~ Io1 CN2CN33 3 A ~ Io2 CN1-8 V Vst 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, 02 Jan. 2004