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DC-AC INVERTER UNIT
CXA-L0624-VJL (4.0W SINGLE OUTPUT WITH DIMMING FUNCTION)
DESCRIPTION : This DC to AC Inverter was developed for notebook computer and many other low LCD Backlight power supply as low profile applications, either for Note Book PC or Industrial. APPLICABLE LCD: 10 to 12 inches single lamp type Lamp Voltage 600V Lamp Current 6mA FEATURES : Current Feedback Circuit High Efficiency Low noise with voltage resonant circuit Regulated output current TEMPERATURE & HUMDITY : Operating Temperature Range Storage Temperature Range Humidity 0 C ~ +60C -30 C ~ +85C 95 %RH max (PRELIMNARY, STANDARD)
DIMENSIONS : 95.5 max 820.2 Unit : mm Weight : 13.7 (g) typ.
(4.5) 20 max 12.80.2
(4)
CN1
2
1
2-2.20.1
1
CN2 3
1
8 max 1.0 max
No. 1 2 3
Part Discription PCB Connector CN1 Connector CN2
Qty. 1 1 1
Material UL94V-0 ( CEM-3) 53261-0590 SM02(8.0)B-BHS-1
Note t=1.0mm Molex JST
Power Systems - The Power Solution
Web: Email: www.Power-Systems.de Info@Power-Systems.de
Page ( 1 / 4 )
Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80
VER, 04 Octoberl 2002
All specification are subject to change without notice.
DC-AC INVERTER UNIT
CXA-L0624-VJL (4.0W SINGLE OUTPUT WITH DIMMING FUNCTION)
(PRELIMNARY, STANDARD)
Input Side CN1:
Pin No. Symbols Vin CN 1-1 GND CN 1-2 CN 1-3 CN 1-4 CN 1-5 Vrmt Vbr N.C. Ratings 20~28V 0V 2.5~Vin (Active High)/ 0~0.5V 0~3V -
Output Side CN2:
Pin CN CN CN
No. Symbols Ratings VHIGH 600Vrms 2-1 N.C. 2-2 (2V) VLOW 2-3
ELECTRICAL CHARACTERISTICS:
Items Output Current Input Current Frequency Open Circuit Voltage Output Pow er
Symbols Iout1 Iout2 Iout3 Iin F Vopen Pout
Vin [V] 20~28 24 20~28 24 20~28 20~28 20~28
Conditions Vbr [V] Ta [C] 0~60 0 235 3 0 0~60 0 0~60 0 0 0~60 0~60
RL [K ] 90~110 100 226 90~110 90~110 90~110
Specification Min. Typ. Max. 5.4 2.7 35 6 3 200 45 6.6 3.3 250 55 4
Unit mArms mA DC kHz Vrms W
1400 1500 -
DIMMING CHARACTERISTICS (Reference):
7,0 6,0
Iout (m Arm s)
5,0 4,0 3,0 2,0 1,0 0,0 0,0 0,5 1,0 1,5 2,0 2,5 3,0
Vbr (VDC)
Power Systems - The Power Solution
Web: Email: www.Power-Systems.de Info@Power-Systems.de
Page ( 2 / 4 )
Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80
VER, 04 Octoberl 2002
All specification are subject to change without notice.
DC-AC INVERTER UNIT
CXA-L0624-VJL (4.0W SINGLE OUTPUT WITH DIMMING FUNCTION)
(PRELIMNARY, STANDARD) APPLICATION (for example) Voltage Dimming Type
CN1-1(Vin) Vin SW Active On CN1-2(GND) CN1-3(Vrmt) CN1-4(Vbr) CN1-5(NC) CN2-1(Iout) CXA-L0612-VJL SM02(8.0)B-BHS (JST)
Vrmt Vbr 0~3V
CCFL RL
CN2-3(Iout-ret)
Resistor Dimming Type
CN1-1(Vin) Vin SW Active On CN1-2(GND) CN1-3(Vrmt) Vbr 3V 10k CN1-4(Vbr) CN1-5(NC) CN2-1(Iout) CXA-L0612-VJL SM02(8.0)B-BHS (JST)
Vrmt
CCFL RL
CN2-3(Iout-ret)
None Dimming Type
CN1-1(Vin) Vin CN1-2(GND) CN1-3(Vrmt) CN1-4(Vbr) CN1-5(NC) CN2-1(Iout) CXA-L0612-VJL SM02(8.0)B-BHS (JST)
CCFL RL
CN2-3(Iout-ret)
TEST CIRCUIT:
Vin 20~28V Vbr 0~3V
lin A V Vin a b SW
CN1-1 (Vin) CN1-2 (GND) CN1-3 (Vrmt) CN1-4 (Vbr)
CN2-1 (VHIGH)
RL
Vrmt 5V
Iout
CN2-3 (VLOW)
NC
CN1-5 (NC)
A V
F
1000:1
Power Systems - The Power Solution
Web: Email: www.Power-Systems.de Info@Power-Systems.de
Page ( 3 / 4 )
Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80
VER, 04 Octoberl 2002
All specification are subject to change without notice.
DC-AC INVERTER UNIT
CXA-L0624-VJL (4.0W SINGLE OUTPUT WITH DIMMING FUNCTION)
(PRELIMNARY, STANDARD)
REMOTE TERMINAL CIRUCIT (Reference):
CN1-1 Vin CN1-3 Vrmt 47k 10k 22k IC1
10k
Note 1. Note 2. Note 3. Note 4.
For circuit connection, please prefer to test circuit diagram. Please use minimum of 2mm clearance (all directions) between inverter high voltage area and any conductors. Please refer to mechanical drawing for marking of high voltage area. Open voltage (strike voltage) is measured across the transformer secondary winding at no load as the reading at the output connector would be less than the actual value. If the start up voltage falls below Cold Cathode Tube strike voltage, the CCFL will not light up easily specially at lower ambient temperature. Please review mounting instruction to avoid any abnormal operation due to coupling/leakage capacitance of inverter high voltage area to any surrounding conductor. Please check your lamp characteristic for minimum operational current and set the limit point in your design to avoid flickering and/or abnormal operation. For proper operation of circuit protection (FUSE or IC PROTECTOR), please use minimum of 1A capacity for input power supply.
Note 5. Note 6.
Power Systems - The Power Solution
Web: Email: www.Power-Systems.de Info@Power-Systems.de
Page ( 4 / 4 )
Address: Dornet 8 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 80
VER, 04 Octoberl 2002
All specification are subject to change without notice.

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