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DC-AC INVERTER UNIT
CXA-0338 (8W 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; NL8060BC31-20 / NL8060BC31-17 (NEC) Lamp Voltage 600Vrms Lamp Current 5mArms Lamp Start Up Voltage 1250Vrms (Vin : 12V)
PRELIMINARY INFORMATION
FEATURES :
Wide operating temperature range Alarm signal function PWM dimming type. Current Feedback Circuit Silicon Coating in High Voltage area
TEMPERATURE & HUMDITY :
Operating Temperature Range Storage Temperature Range Humidity
5 0.5
-10 C ~ +70 C -30 C ~ +85 C 95 %RH max
105 0.5
Silicone
DIMENSIONS :
(2)
82 0.3
13 0.5 CN2-3 CN2-1
3
25 0.5
15 0.3
CN1-1 CN1-8 8.5MAX
2
CN1
CXA-0308 0X18 MADE IN JAPAN
CAUTION HIGH VOLTAGE
CN2
2 - O2.5 0.2
1
(2)
Unit : mm Weight :20 (g) typ.
High Voltage generation area 60mm
No. 1 2 3
Part Description PWB Connector CN1 Connector CN2
Qty. 1 1 1 UL94V-0 53261-0890
Note t=1.0mm (Molex) (JST)
SM03(4.0)B-BHS
CN1 : 53261-0890 (Molex) Pin CN1-1 CN1-2 CN1-3 CN1-4 CN1-5 CN1-6 CN1-7 CN1-8
General Information
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
(Japan) (USA) (EU)
CN2 : SM03(4.0)B-BHS (JST) Pin Symbol Vlow CN2-1 CN2-2 CN2-3 Vhigh2 Vhigh1
Note (2V) 600Vrms (5mArms) 600Vrms (5mArms)
*1. This is an output pin and it is active high (+5V) if any Lamp opens / fails
Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206
All specification are subject to change without notice.
Page ( 1 / 2 )
CXA E VER, 2002/02/15
CTGB8V035-X
DC-AC INVERTER UNIT
CXA-0338 (8W DUAL OUTPUTS WITH DIMMING FUNCTION)
ELECTRICAL CHARACTERISTICS :
Conditions Parameters Symbol Vin (V)
12 1.2
PRELIMINARY INFORMATION
Specifications Ta (C ) -10 ~ +70
23 5 23 5
Vrmt (V)
5 0.25 5 0.25 5 0.25 5 0.25
Vbr / VR 0V / 0 0V / 0 2.5V / 50k 0V / 0 0V / 0 0V / 0 2.5V / 50k 0V / 0 0V / 0 0V / 0 0V / 0
RL1 (k) // CL1(pF) RL2 (k ) // CL2(pF) TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD TBD
min. TBD TBD TBD TBD TBD TBD 4.5 4.5 -
typ. 5.0 5.0 2.0 TBD (55) 270 TBD 5.0 5.0 0
max. TBD TBD TBD TBD 1 TBD TBD TBD 5.5 5.5 0.5
Unit
Note
mArms
Max Brightness.
Output Current
Iout1 / Iout2
12 0.6 12 0.6 12 0.6
mArms mArms Adc mAdc kHz Hz Vrms Vdc Vdc Vdc
RL2 // CL2 open
Min Brightness.
Input Current 1 Input Current 2 Frequency Frequency (Duty) Open Voltage
Iin1 Iin2 F1 F2 Vopen
-10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70 -10 ~ +70
12 0.6 12 0.6 12 0.6
0 0.25 5 0.25 5 0.25
10.8
12 1.2
5 0.25 5 0.25 5 0.25 5 0.25
Alarm SIgnal (Note 4)
Vst
12 1.2 12 1.2
RL1 // CL1 open
Normal
Note 1 : Note 2 :
Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. Open circuit on all lamps for more than 3 seconds, will shut the inverter down.
F Iin V CN1-3 CN1-4 Vrmt 0/5V CN1-1 CN1-2
CN2-3 SW4
TEST CIRCUIT :
Vin 10.8~13.2V A
F
1000:1 PROBE
Vopen V ~
SW3
SW1
RL1 CL2 Iout1
Operation of unit Operation Non operation
a
V
b
SW1
CN1-5
Q6
T1
CN2-2
C10 C25
RL2 A ~
a
CL1
Vbr 0~2.5V
a
V Rbr 0~50k Vst V
Iout2
A ~
b
CN1-6 SW2 CN1-7 CN1-8
CN2-1
b
SW5
SW2 a b
Operation of unit
Voltage dimming Vbr=0~2.5V Variable resistance dimming VR=0~50k
Note 3: Note 4 :
General Information
In test circuit; 5pF capacitor across the load resistor is add to simulate LCD back-light stray capacitor. In test circuit; if any of switches SW3, Sw4 or SW5 opens , then the alarm signal will be activated (+5V).
Tel : +81-3-5201-7206 Tel : +1-847-390-4439 Tel : +44-118-921-6206 (Japan) (USA) (EU) Page ( 2 / 2 ) CXA E VER, 2002/02/15 CTGB8V035-X
All specification are subject to change without notice.

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