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LTM230HT01 Fiches technique(PDF) 14 Page - Samsung semiconductor

No de pièce LTM230HT01
Description  SAMSUNG TFT-LCD PRODUCT INFORMATION
PDF  35 Pages
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Fabricant  SAMSUNG [Samsung semiconductor]
Site Internet  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

LTM230HT01 Fiches technique(HTML) 14 Page - Samsung semiconductor

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LTM230HT01
MODEL
PRODUCT INFORMATION
PRODUCT INFORMATION
The back light unit is an edge - lighting type with 2 dual CCFTs ( Cold Cathode
Fluorescent Tube ) The characteristics of two dual lamps are shown in the following tables.
Ta=25 ± 2°C
25℃: (1,450)
(5)
Vrms
0℃ : (1,800)
-
-
Vs
Startup Voltage
1.5554
1.414
1.2726
Wdis
Distortion
rate
(4)
%
10
-
-
Wasy
Asymmetry
rate
Inverter
waveform
(3)
Hour
-
-
(50,000)
Hr
Operating Life Time
(2)
kHz
(800
-
(40)
f
L
Lamp Frequency
Vrms
-
(850)
-
V
L
Lamp Voltage
(1)
mArms
(8.0)
(7.5)
(4.0)
I
L
Lamp Current
Note
Unit
Max.
Typ.
Min.
Symbol
Item
Note (1) Specified values are for a single lamp.
Lamp current is measured with current meter for high frequency as shown below.
Refer to the following block diagram of the back light unit for more information.
Fig. Measurement point of Lamp Current
3.2 Back Light Unit
HOT(RED)
COLD(WHITE)
HOT(BLUE)
COLD(GRAY)
I
1
I
2
I
3
I
4
INVERTER
(SI1700)
HOT(RED)
COLD(WHITE)
HOT(BLUE)
COLD(GRAY)
A
A
A
A
LCD Module



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