PS_PS-P1212-228.pdf

DC-AC INVERTER UNIT
CXA-P1212-228 (R)( (8W DUAL OUTPUTS WITH DIMMING FUNCTION)
DESCRIPTION :
This low profile DC/AC inverter is developed for dual lamps and low power LCD
backlight displays.
Applicable LCD;
8 to 12 inches types of double lamps
Lamp Voltage 570Vrms
Lamp Current 5mArms
Lamp Start Up Voltage 1700Vrms (Vin : 12V)
FEATURES :
Wide operating temperature range
Signal alarm function
PWM dimming function
Current feedback circuit
Silicon varnish in High Voltage areas
TEMPERATURE & HUMDITY :
Operating Temperature Range
Storage Temperature Range
Humidity
1
°C
°C
-10 °C ~ +50°C
-30 ~ +85
95 %RH3max
2
2 - Ø3.5 ± 0.2
CN1
14 ± 0.3
CN1-1
CN1-7
1
CN2
CXA-P1212C-W JL
1415
MADE IN JAPAN
21.5 ± 0.5
DIMENSIONS :
CAUTION
HIGH VOLTAGE
107 ± 0.5
10.25 ± 0.5
Unit : mm
Weight :25 (g) typ.
153 ± 0.5
No.
1
2
Part Description
PWB
Connector CN1
Qty.
1
1
3
Connector CN2
1
CN1 : 53261-0790 (Molex)
Pin
CN1-1
Symbol
Note
Vin
10.8 ~ 13.2V
GND
0V
CN1-5
Vrmt
0 ~ 0.4V : OFF
2.5V ~ Vin : ON
CN1-6
Vst*1
0V / 5V
CN1-7
Vbr / Rbr
0 ~ 2.5V / 0 ~ 50k 
CN1-2
CN1-3
CN1-4
8.5 MAX
High Voltage generation area:75mm
(1.0)
Silicone
Note
UL94V-0
53261-0790
t=1.0mm
(Molex)
SM04(4.0)B-BHS-1
(JST)
CN2 : SM03(7-D1)B-BHS-1 (JST)
Pin
Symbol
Note
CN2-1
Vhigh1
570Vrms (5mArms)
570Vrms (5mArms)
CN2-2
Vhigh2
CN2-3
CN2-4
N.C.
Vlow
GND
*1. This is an output pin and it is active high (+5V) if any Lamp opens / fails
General Information
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 ( 1 / 2 )
CXA E VER, 2014/05/20
CTGB8V007-B
DC-AC INVERTER UNIT
CXA-P1212-228 (R)( (8W DUAL OUTPUTS WITH DIMMING FUNCTION)
ELECTRICAL CHARACTERISTICS :
Conditions
Parameters
Output Current
Symbol
Vin (V)
Vbr (V)
Vbr / VR
Ta (°C )
12 ± 1.2
5 ± 0.25
0V / 0 
-10 ~ +50
0V / 0 
23 ± 5
12 ± 0.6
Iout1 / Iout2
Specifications
5 ± 0.25
12 ± 0.6
5 ± 0.25
2.5V / 50k 
23 ± 5
0V / 0 
-10 ~ +50
Input Current 1
Iin1
12 ± 0.6
Input Current 2
Iin2
12 ± 0.6
0 ± 0.25
0V / 0 
-10 ~ +50
Frequency
FL
12 ± 0.6
5 ± 0.25
0V / 0 
-10 ~ +50
Open Voltage
Vopen
10.8
5 ± 0.25
0V / 0 
-10 ~ +50
12 ± 1.2
5 ± 0.25
0V / 0 
-10 ~ +50
12 ± 1.2
5 ± 0.25
0V / 0 
-10 ~ +50
12 ± 1.2
5 ± 0.25
0V / 0 
-10 ~ +50
Alarm Signal
(Note 4)
Vst
5 ± 0.25
RL1 (k) // CL1(pF)
RL2 (k ) // CL2(pF)
85 ~ 95 // 5
85 ~ 95 // 5
max.
4.3
5.0
5.7
mArms
4.5
5.0
5.5
mArms
1.2
1.5
1.7
mArms
-
0.8
1.0
Adc
-
-
1.0
mAdc
35
40
45
kHz
1500
1700
-
Vrms
4.5
5.0
5.5
Vdc
RL2 // CL2 open
4.5
5.0
5.5
Vdc
RL1 // CL1 open
-
0
0.5
Vdc
Normal
Max Brightness.
90 // 5
90 // 5
90 // 5
90 // 5
90 // 5
90 // 5
85 ~ 95 // 5
85 ~ 95 // 5
85 ~ 95 // 5
85 ~ 95 // 5

85 ~ 95 // 5


85 ~ 95 // 5
85 ~ 95 // 5
85 ~ 95 // 5
Please keep a minimum of 2mm clearance in all directions between inverter high voltage areas
and any conductors as marked on mechanical drawing.
Note 2 :
Open circuit in all lamps can be detected and shut down within 3 sec.
F
Iin
A
Vopen
CN1-1
CN1-2
CN2-1
b
SW4
CN2-2
T1
a
V
Q6
RL2
C10
SW1
CL2
A
~
C25
Iout2
V
Vst
CN2-4
SW5
a
V
b
RL1
CN1-5
CN1-6
Vbr
0~2.5V
V
~
SW3
V
CN1-3
CN1-4
Vrmt
0/5V
Min Brightness.
1000:1
PROBE
FL
Vin
10.8~13.2V
Note
typ.
Note 1 :
TEST CIRCUIT :
Unit
min.
CN1-7
SW2
CL1
A
~
Iout1
SW1
Operation of unit
a
Operation
b
Non operation
SW2
Operation of unit
a
Voltage dimming
Vbr=0~2.5V
b
Variable resistance dimming
VR=0~50k 
Rbr
0~50k
Note 3:
In test 5pF capacitor circuit; across the load resistor is add to simulate LCD back-light stray capacitor.
Note 4 :
In test circuit; if any of switches SW3, Sw4 or SW5 opens , then the alarm signal will be activated (+5V).
General Information
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, 2014/05/20
CTGB8V007-B