POWER-SYSTEMS PS-DA0253-240-BS

DC-AC INVERTER UNIT
PS-DA0253-240-B(S) (9 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.
Optimized for Sharp: LQ121K1LG11
APPLICABLE LCD:
10 to 15 inches dual lamp type
Lamp Voltage 660 Vrms
Lamp Current 2 x 6.5 mArms
Lamp Start Up Voltage 1.700 Vrms (Vin : 12 Vdc)
FEATURES :
Current Feedback Circuit
High Efficiency
Low noise with voltage resonant circuit
Regulated output current
RoHS compliant (S)
TEMPERATURE & HUMIDITY :
Operating Temperature Range
Storage Temperature Range
Humidity
DIMENSIONS :
LxBxH
-10°C ~ +50°C
-20°C ~ +85°C
95 %RH max
153 x 22 x 10 mm
Pin1
Pin1
Pin1
Unit : mm
Weight :40 (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)
53261-0790
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
Vbr
0 ~ 1.8 Vdc
CN 1-6
CN 1-7
Vbr
Note
t=1.6m m
Molex or equal
JST or equal
Output side CN2 ~ CN3:
Pin No.
Symbols
Ratings
Vhigh
660 Vrm s (6.5 m Arm s )
CN 2-1
N.C.
CN 2-2
Vlow
(GND)
CN 2-3
0 ~ 10kOhm
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 1.0, 30th June 2008
DC-AC INVERTER UNIT
PS-DA0253-240-B(S) (9 W DUAL OUTPUTS)
(PRELIMINARY INFORMATION)
ELECTRICAL CHARACTERISTICS :
Conditions
Parameters
Symbols
Output Current
Output Current
Input Current
Frequency
Open Circuit Voltage
No Load Shutdown
Iout
Iout
Iin
F
Vopen
Ts d
Note 1 :
Vin (V)
Vbr (V)
12±1.2
12±0.6
12±1.2
12±1.2
11.4
12±1.2
0.0
1.8
0.0
0.0
0.0
0.0
Specification
Tu (°C)
Min.
Typ.
Max.
0
0
0
0
0
0
6.0
1.3
32.5
1.500
1.0
6.5
2.0
0.75
40
1.700
-
7.0
2.7
1.0
47.5
1.900
-
~ +50
~ +50
~ +50
~ +50
~ +50
~ +50
Unit
Note
m Arm s
m Arm s
Adc
kHz
Vrm s
s ec
Dut y 100%
wit hout load
Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked
on mechanical drawing and any conductors.
TEST CIRCUIT :
F
Vin
10.8 ~ 13.2 V
Vopen
V
~
SW3
Iin
A
1000:1
PROBE
F
CN2-1
CN1-1
CN1-2
V
CN1-3
CN1-4
Vrmt
0 / 5 Vdc
CN2-2
b
SW1
RL1
CL1
T1
A
~
a
V
N.C.
CN2-3
CN1-5
Iout
1
SW4
SW5
CN3-1
c
Vbr
0 ~ 1.8 Vdc
V
CN1-6
d
Rbr
0 ~ 10 kOhm
N.C.
CN3-2
SW2
CL1
A
~
CN3-2
CN1-7
Operation of unit
Operation
c
Vbr 0 ~ 1.8 Vdc dimming
Non operation
b
Rbr 0 ~ 10 kOhm dimming
Operation of unit
a
b
Iout
2
SW6
SW2
SW 1
RL1
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 1.0, 30th June 2008