DC-AC INVERTER UNIT
PS-DA0253-01-E-B
(9 W DUAL OUTPUTS)
DESCRIPTION :
This DC to AC Inverter was developed for many other low LCD
Backlight power supply as low profile applications.
Optimized for Sharp: LQ080Y5DR02
APPLICABLE LCD:
10 to 15 inches dual lamp type
Lamp Voltage 470 Vrms
Lamp Current 2 x 5.0 mArms
Lamp Start Up Voltage 1.800 Vrms (Vin : 12 Vdc)
FEATURES :
Current Feedback Circuit
High Efficiency
Low noise with voltage resonant circuit
Regulated output current
TEMPERATURE & HUMDITY :
Operating Temperature Range
Storage Temperature Range
Humidity
DIMENSIONS :
Pin1
(PRELIMINARY INFORMATION)
-30°C ~ +85°C
(for Sharp LQ080Y5DR02 only,
for other display please request factory)
-35°C ~ +85°C
95 %RH max
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 Discription
PCB
Connector CN1
Connector CN2
Qty.
1
1
1
Material
UL94V-0 (FR-4 or CEM-3)
53261-0790
SM04(4.0)B-BHS-1-TB
Note
t=1m m
Molex or equal
JST or equal
Input side CN1:
Pin No.
CN 1-1+2
CN 1-3+4
CN 1-5
CN 1-6
CN 1-7
Symbols
Vin
GND
Vrm t
Vbr
Vbr
Ratings
10.8 ~ 13.2 Vdc
0 ~ 0.4 = OFF
/ 2.5 ~ Vin = ON
0 ~ 1.8 Vdc
0 ~ 10kOhm
Output side CN2
Pin No.
CN 2-1
CN 2-2
CN 2-3
CN 2-4
Symbols
Vhigh
Vhigh
N.C.
Vlow
Ratings
470 Vrms (5.0 mArms)
470 Vrms (5.0 mArms)
-
(GND)
Power Systems – The Power Solution
Web:
Email:
www.Power-Systems.de
Info@Power-Systems.de
Page (1)
Address: Dörnet 8 ; 74360 Ilsfeld-Auenstein / Germany
Tel. :
+ 49 / 70 62 / 67 59 - 6
Fax:
+ 49 / 70 62 / 67 59 - 800
Version 1.0, 26 May 2006
All specification are subject to change without notice.
DC-AC INVERTER UNIT
PS-DA0253-01-E-B
(9 W DUAL OUTPUTS)
ELECTRICAL CHARACTERISTICS :
Conditions
Vrmt
Tu (°C)
(V)
5±0.25 0 ~ +50
5±0.25 0 ~ +50
5±0.25 0 ~ +50
5±0.25 0 ~ +50
5±0.25 0 ~ +50
5±0.25 0 ~ +50
Specification
Min.
4.5
1.7
-
32.5
1.500
-
Typ.
5.0
2.0
0.75
40
1.800
1.0
Max.
5.5
2.4
1.0
47.5
1.900
-
Unit
mArms
mArms
Adc
kHz
Vrms
sec
Note
Duty 100%
Vbr = 1.8Vdc
(PRELIMINARY INFORMATION)
Parameters
Output Current
Output Current
Input Current
Frequency
Open Circuit Voltage
No Load Shutdown
Symbols
Iout
Iout
Iin
F
Vopen
Tsd
Vin (V)
12±1.2
12±0.6
12±1.2
12±1.2
11.4
12±1.2
without load
Note 1 :
Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked
on mechanical drawing and any conductors.
DIMMING CHARACTERISTICS (Reference)
6,0
5,0
4,0
Iout (mArm
3,0
2,0
1,0
0,0
0,0
0,4
0,7
1,1
1,4
1,8
Vbr (VDC)
TEST CIRCUIT :
Vin
10.8 ~ 13.2 V
A
Iin
V
F
F
1000:1
PROBE
Vopen
V
~
CN1-1
CN1-2
CN1-3
CN2-1
SW 1
a
b
SW3
CN2-2
Operation of unit
Operation
Non operation
Vrmt
0 / 5 Vdc
V
CN1-4
T1
a
b
a
SW1
CN1-5
SW2
RL2
A
Iout1
RL1
CL2
Iout
~
2
SW4
CL1
Operation of unit
Vbr 0 ~ 1.8 Vdc dimming
Rbr 0 ~ 10 kOhm dimming
a
b
A
~
Vbr
0 ~ 1.8 Vdc
V
b
SW2
CN1-6
CN2-4
Rbr
0 ~ 10 kOhm
CN1-7
Power Systems – The Power Solution
Web:
Email:
www.Power-Systems.de
Info@Power-Systems.de
Page (2)
Address: Dörnet 8 ; 74360 Ilsfeld-Auenstein / Germany
Tel. :
+ 49 / 70 62 / 67 59 - 6
Fax:
+ 49 / 70 62 / 67 59 - 800
Version 1.0, 26 May 2006
All specification are subject to change without notice.
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