POWER-SYSTEMS CXA-0454

DC-AC INVERTER UNIT
CXA-0454 (8 W DUAL OUTPUTS)
(PRELIMINARY INFORMATION)
DESCRIPTION :
This DC to AC Inverter was developed for many other low LCD
Backlight power supply as low profile applications,
either for LCD Monitor or Industrial PC
APPLICABLE LCD:
10 to 15 inches double lamp type
Lamp Voltage 600 Vrms
Lamp Current 2 x 6 mArms
Lamp Start Up Voltage 1.700 Vrms (Vin : 12 Vdc)
FEATURES :
PWM dimming type
Current Feedback Circuit
High Efficiency
Low noise with voltage resonant circuit
Regulated output current
High Temperature range
RoHs compliant (R)
TEMPERATURE & HUMIDITY :
Operating Temperature Range
Storage Temperature Range
Humidity
DIMENSIONS :
LxWxH
-30°C ~ +80°C
-30°C ~ +85°C
95 %RH max
153 x 21.5 x 8.5mm
Pin 1
Pin 1
Unit : mm
Weight :21.2 (g) typ.
Note: Please use plastic screw in case of a non-insulating mounting base!
Components
No.
1
2
3
Part Description
PCB
Connector CN1
Connector CN2 ~ CN3
Qty.
1
1
2
Material
UL94V-0 (FR-4 or CEM-3)
53261-0771
SM02(8.0)B-BHS-1-TB
Input side CN1:
Pin No.
Symbols
Ratings
Vin
10.8 ~ 13.2 Vdc
CN 1-1+2
GND
CN 1-3+4
Vrm t
0 ~ 0.4 = OFF / 2.5 ~ Vin = ON
CN 1-5
CN 1-6
CN 1-7
Vs t
Vbr / Rbr
Note
t=1m m
Molex or equal
JST or equal
Output side CN2 ~ CN3
Pin No.
Symbols
Ratings
Vhigh
600 Vrm s (6.0 m Arm s )
CN 2-1
N.C.
CN 2-2
Vlow
(GND)
CN 2-3
0 / 5.0 Vdc *Note 2
0 ~ 2.5 Vdc / 0 ~ 50 kΩ
Power Systems – The Power Solution
Web:
Email:
www.Power-Systems.de
[email protected]
All specifications are subject to change without notice.
Address: Hauptstr. 48 ; 74360 Ilsfeld-Auenstein / Germany
Tel. :
+ 49 / 70 62 / 67 59 - 6
Fax:
+ 49 / 70 62 / 67 59 - 800
Page (1)
Version 1.1, 15th August 2007
DC-AC INVERTER UNIT
CXA-0454 (8 W DUAL OUTPUTS)
(PRELIMINARY INFORMATION)
ELECTRICAL CHARACTERISTICS :
Parameters
Output Current
Input Current
Frequency
Frequency (duty)
Open Circuit Voltage
Note 2 :
Iout1
Iout2
Iout1
Iout2
Iin1
Iin2
F1
F2
Vopen
Vs t
Alarm Signal
Note 1 :
Symbols
Vin (V)
12±1.2
12±0.6
12±1.2
12±0.6
12±0.6
12±0.6
12±0.6
12±0.6
12±1.2
12±1.2
12±1.2
12±1.2
Conditions
Vbr (V) /
Tu (°C)
Rbr (k Ω )
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
2.5 / 50 -30 ~ +80
2.5 / 50 -30 ~ +80
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
2.5 / 50 -30 ~ +80
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
0.0/0.0 -30 ~ +80
Specification
Min.
Typ.
Max.
5.3
5.5
1.1
1.2
58
200
1.500
4.5
4.5
-
6.0
6.0
2.0
2.0
0.7
63
250
1.700
5.0
5.0
0
6.7
6.5
2.9
2.8
1.0
1.0
68
300
1.900
5.5
5.5
0.5
Unit
Note
m Arm s
m Arm s
m Arm s
m Arm s
Adc
m Adc
kHz
Hz
Vrm s
Vdc
Vdc
Vdc
Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked
on mechanical drawing and any conductors.
This is an output pin and it is active high (+5) if any lamp opens / fails.
TEST CIRCUIT :
SW1
a
b
Operation of unit
Operation
Non operation
SW2
Operation of unit
Voltage dim m ing
Vbr = 0 ~ 2.5 Vdc
Variabel res is tance
dim m ing
Rbr = 0~ 50 kΩ
a
b
DIMMING CHARACTERISTICS :
7,0
Iout (mArms)
6,0
5,0
4,0
3,0
2,0
1,0
0,0
0,0
0,5
1,0
1,5
2,0
2,5
Vbr (VDC)
Power Systems – The Power Solution
Web:
Email:
www.Power-Systems.de
[email protected]
All specifications are subject to change without notice.
Address: Hauptstr. 48 ; 74360 Ilsfeld-Auenstein / Germany
Tel. :
+ 49 / 70 62 / 67 59 - 6
Fax:
+ 49 / 70 62 / 67 59 - 800
Page (2)
Version 1.1, 15th August 2007