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PDF LK520D3LZ18 Data sheet ( Hoja de datos )
| Número de pieza | LK520D3LZ18 | |
| Descripción | TFt LCD Module | |
| Fabricantes | Sharp | |
| Logotipo |  |
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1 page  
45 GND
46 GND
47
VCC
+12V Power Supply
48
VCC
+12V Power Supply
49
VCC
+12V Power Supply
50
VCC
+12V Power Supply
51
VCC
+12V Power Supply
[note]GND of a liquid crystal panel drive part has connected with a module chassis.
LD- 19606-3
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[Note 1] Display reversal function
Normal (Default)
R/L : L (GND) U/D: L (GND)
CN1
Horizontal reverse image
R/L : H (3.3V) U/D: L (GND)
CN1
Vertical reverse image
R/L : L (GND) U/D: H (3.3V)
CN1
Horizontal and vertical reverse image
R/L : H(3.3V) U/D: H (3.3V)
CN1
[Note 2]The equivalent circuit figure of the terminal
100Ω
Terminal
Min : 16.5KΩ
Typ : 47KΩ
Max : 330KΩ
[Note 3]The equivalent circuit figure of the terminal
3.3V
Terminal
4.7KΩ
100Ω
Min : 16.5KΩ
Typ : 60KΩ
Max : 330KΩ
5 Page 
LD- 19606-9
[Note 2]Brightness Control
PWM brightness control is regulated by analog input voltage (0V to 3.3V).
Input voltage [V]
[Reference]
Brightness ratio %
MIN
0
20
TYP
<->
<->
MAX
3.3
100
Ta=25
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0V: Dark - 3.3V: Bright
[Note] PWM frequency : 275±10Hz
[Note]There is a case that lamp mura may happen, depending on ambient temperature and dimming.
Dimming level should be set according to your evaluation of actual display performance.
(Minimum input voltage 1.4V at below 15 )
4.4. The back light system characteristics
The back light system is direct type with 24 CCFTs (Cold Cathode Fluorescent Tube).
The characteristics of the lamp are shown in the following table. The value mentioned below is at the case of one
CCFT.
Item
Life time
Symbol
TL
Min.
-
Typ.
60000
Max.
-
Unit
Hour
Remarks
[Note]
[Note]
• Lamp life time is defined as the time when brightness becomes 50% of the original value in the continuous
operation under the condition of Ta=25°C and brightness control(VBRT=100%).
• Above value is applicable when the long side of LCD module is placed horizontally (Landscape position).
(Lamp lifetime may vary if LCD module is in portrait position due to the change of mercury density inside
the lamp.)
5. Absolute Maximum Ratings
Parameter
Symbol
Input voltage
(for Control)
VI
12V supply voltage
(for Control)
VCC
Input voltage
(for Inverter)
24V supply voltage
(for Inverter)
VON
VBRT
VINV
Condition
Ta=25 °C
Ta=25 °C
Ta=25 °C
Ta=25 °C
Ratings
-0.3 ~ 3.6
0 ~ + 14
0~+6
0 ~ +29
Storage temperature
Tstg
-
-25 ~ +60
Operation temperature
(Ambient)
Topa
-
[Note 1] SELLVDS, R/L, U/D, FRAME, O/S_set, TEMP1~3
0 ~ +50
[Note 2] Humidity 95%RH Max.(Ta 40°C)
Maximum wet-bulb temperature at 39 °C or less.(Ta>40°C)
No condensation.
Unit Remark
V [Note 1]
V
V
V
°C
[Note 2]
°C
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet LK520D3LZ18.PDF ] | |
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