Power Systems CXA-0338 Dc-ac inverter unit 8w dual outputs with dimming function Datasheet

DC-AC INVERTER UNIT
CXA-0338 (8W DUAL OUTPUTS WITH DIMMING FUNCTION)
PRELIMINARY INFORMATION
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)
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
Silicone
105 ± 0.5
82 ± 0.3
(2)
13 ± 0.5
CXA-0308
0X18
MADE IN JAPAN
CN1
CN1-1
CAUTION
HIGH VOLTAGE
CN2
5 ± 0.5
15 ± 0.3
25 ± 0.5
DIMENSIONS :
-10 °C ~ +70 °C
-30 °C ~ +85 °C
95 %RH max
CN2-3
CN2-1
CN1-8
8.5MAX
3
(2)
2 - Ø2.5 ± 0.2
2
Unit : mm
Weight :20 (g) typ.
1
High Voltage generation area 60mm
No.
Part Description
Qty.
Note
1
PWB
1
UL94V-0
t=1.0mm
2
Connector CN1
1
53261-0890
(Molex)
3
Connector CN2
1
SM03(4.0)B-BHS
(JST)
CN1 : 53261-0890 (Molex)
Pin
CN1-1
CN1-2
CN1-3
Symbol
Note
Vin
10.8 ~ 13.2V
GND
0V
CN1-5
Vrmt
0 ~ 0.4V : OFF
2.5V ~ Vin : ON
CN1-6
Vbr1 / Rbr1
0 ~ 2.5V / 0 ~ 50k Ω
CN1-7
Vbr2 / Rbr2
GND / 0 ~ 50k Ω
CN1-8
Vst*1
0V / 5V
CN1-4
General Information
Tel : +81-3-5201-7206
Tel : +1-847-390-4439
Tel : +44-118-921-6206
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
(Japan)
(USA)
(EU)
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)
PRELIMINARY INFORMATION
ELECTRICAL CHARACTERISTICS :
Specifications
Conditions
Parameters
Symbol
Iout1 /
Iout2
Output Current
Vrmt (V)
Vin (V)
Vbr / VR
Ta (°C )
12 ± 1.2
5 ± 0.25
0V / 0 Ω
-10 ~ +70
12 ± 0.6
5 ± 0.25
0V / 0 Ω
23 ± 5
12 ± 0.6
5 ± 0.25
2.5V / 50kΩ
23 ± 5
TBD
TBD
TBD
TBD
12 ± 0.6
5 ± 0.25
0V / 0 Ω
-10 ~ +70
Input Current 2
Iin2
12 ± 0.6
0 ± 0.25
0V / 0 Ω
-10 ~ +70
Frequency
F1
12 ± 0.6
5 ± 0.25
0V / 0 Ω
-10 ~ +70
Frequency (Duty)
F2
12 ± 0.6
5 ± 0.25
2.5V / 50kΩ
-10 ~ +70
Open Voltage
Vopen
10.8
5 ± 0.25
0V / 0 Ω
-10 ~ +70
12 ± 1.2
5 ± 0.25
0V / 0 Ω
-10 ~ +70
12 ± 1.2
5 ± 0.25
0V / 0 Ω
-10 ~ +70
12 ± 1.2
5 ± 0.25
0V / 0 Ω
-10 ~ +70
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
∞
∞
TBD
∞
∞
TBD
(Note 4)
Unit
typ.
max.
TBD
5.0
TBD
mArms
TBD
5.0
TBD
mArms
TBD
2.0
TBD
mArms
-
TBD
TBD
Adc
-
-
1
mAdc
TBD
(55)
TBD
kHz
TBD
270
TBD
Hz
TBD
TBD
TBD
Vrms
4.5
5.0
5.5
Vdc
RL2 // CL2 open
4.5
5.0
5.5
Vdc
RL1 // CL1 open
TBD
TBD
-
0
0.5
Vdc
Normal
Note 1 :
Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on
mechanical drawing and any conductors.
Note 2 :
Open circuit on all lamps for more than 3 seconds, will shut the inverter down.
F
TEST CIRCUIT :
Vin
10.8~13.2V
A
Iin
1000:1
PROBE
F
CN1-1
CN1-2
Vbr
0~2.5V
V
b
SW1
Q6
T1
C10
RL2
Iout2
b
CN1-6
SW2
SW5
CN2-1
CN1-7
Rbr
0~50k
CN1-8
Vst
General Information
CN1-5
SW1
SW4
CN2-2
C25
a
V
Note 3:
Note 4 :
Vopen V
~
CN2-3
a
Min Brightness.
SW3
V
CN1-3
CN1-4
Vrmt
0/5V
Note
min.
Max Brightness.
TBD
Iin1
Vst
RL2 (k Ω) // CL2(pF)
TBD
Input Current 1
Alarm SIgnal
RL1 (kΩ) // CL1(pF)
V
A
~
RL1
CL2
Iout1
A
~
CL1
Operation of unit
a
Operation
b
Non operation
SW2
Operation of unit
a
Voltage dimming
Vbr=0~2.5V
b
Variable resistance dimming
VR=0~50kΩ
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)
All specification are subject to change without notice.
Page ( 2 / 2 )
CXA E VER, 2002/02/15
CTGB8V035-X
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