PS_PS-DA0253-308-B.pdf

DC-AC INVERTER UNIT
PS-DA0253-308-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.
Optimized for LQ170M1LGxx
APPLICABLE LCD:
10 to 17 inches dual lamp type
Lamp Voltage 710 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
-10°C ~ +50°C
-20°C ~ +85°C
95 %RH max
DIMENSIONS :
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
Part Description
PCB
Connector CN1
Qty.
1
1
Material
UL94V-0 (FR-4 or CEM-3)
53261-0790
Note
t=1mm
Molex or equal
3
Connector CN2 ~ CN3
2
SM02B-BHSS-1-TB
JST or equal
Input side CN1:
Pin No.
CN 1-1+2
CN 1-3+4
Output side CN2 ~ CN3
Symbols
Vin
GND
Ratings
10.8 ~ 13.2 Vdc
CN 1-5
Vrmt
CN 1-6
Vbr
0 ~ 0.4 = OFF
/ 2.5 ~ Vin = ON
0 ~ 1.8 Vdc
CN 1-7
Vbr
0~10kOhm
Pin No.
CN 2-1
Symbols
Vhigh
Ratings
710 Vrms (6.5 mArms)
CN 2-2
Vlow
(GND)
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, 29th July 2007
DC-AC INVERTER UNIT
PS-DA0253-308-B(S) (9 W DUAL OUTPUTS)
(PRELIMINARY INFORMATION)
ELECTRICAL CHARACTERISTICS :
Parameters
Symbols
Output Current
Output Current
Input Current
Frequency
Open Circuit Voltage
No Load Shutdown
Iout
Iout
Iin
F
Vopen
Tsd
Note 1 :
Vin (V)
12±1.2
12±0.6
12±1.2
12±1.2
11.4
12±1.2
Conditions
Vrmt
Tu (°C)
(V)
5±0.25 -10 ~ +50
5±0.25 -10 ~ +50
5±0.25 -10 ~ +50
5±0.25 -10 ~ +50
5±0.25 -10 ~ +50
5±0.25 -10 ~ +50
Specification
Min.
Typ.
Max.
6.0
1.7
32.5
1.500
1.0
6.5
2.0
0.75
40
1.700
-
7.0
2.4
1.0
47.5
1.900
-
Unit
Note
mArms
mArms
Adc
kHz
Vrms
sec
Duty 100%
Vbr = 1.8 Vdc
without 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
SW3
Iin
A
1000:1
PROBE
F
CN1-3
CN1-4
Vrmt
0 / 5 Vdc
b
SW1
CN1-5
Operation of unit
a
Operation
b
Non operation
SW2
Operation of unit
a
Vbr 0 ~ 1.8 Vdc dimming
b
Rbr 0 ~ 10 kOhm dimming
RL1
CL1
T1
A
~
a
V
SW 1
CN2-1
CN1-1
CN1-2
V
V
~
CN2-2
Iout
1
SW4
SW5
CN3-1
a
Vbr
0 ~ 1.8 Vdc
V
Rbr
0 ~ 10 kOhm
b
SW2
CN1-6
RL1
CL1
A
~
CN1-7
CN3-2
Iout
2
SW6
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, 29th July 2007