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參數(shù)資料
| 型號： | LQ295T3LZ31 |
| 英文描述： | TFT Displays|Product Specifications |
| 中文描述： | 液晶顯示技術(shù)|產(chǎn)品規(guī)格 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大?。?/td> | 585K |
| 代理商： | LQ295T3LZ31 |
LD-14350B 8/16
6-2. Inverter driving for back light
The back light system is under-lighting type with 12 CCFTs (Cold Cathode Fluorescent Tube).
Ta=25
Parameter
Symbol
Min.
Current dissipation
I
INV
TBD
12V
Supply voltage
V
INV
11
Permissive input ripple
voltage
Input voltage (Low)
V
ONL
-
Input voltage (High)
V
ONH
3
Brightness control
voltage(100%)
Brightness control voltage
V
BRT
0.7
Typ.
(6.5)
12
-
Max.
TBD
13
100
Unit
A
V
mVp-p
Remark
V
BRT
= 0V
Note 1
V
INV
= +12V
V
RF
-
-
-
-
0.5
5.0
0.3
V
V
V
Note 2
impedance=24.7k
Note 3
impedance=20.6k
V
BRT
0
5.0
V
Note 4
Note 1
1)V
INV
-turn-on condition
T5
T6
T7
100
1ms
1ms
s
2) V
INV
-turn-off condition
T8
T9
1ms
1ms
Note 2
Note 3
Note 4
V
ON
V
BRT
Refrain from using the device under the condition of V
BRT
=0.5
on display. In case of V
BRT
>5.0V,the protective circuit may stop driving the inverter.
0.2
because of the possibility of flicker
T5
INV
11V
0V
12V
T6
T7
0
5V
BRT
0V
5V
ON
0V
12V
INV
0V
T9
T8
0
5V
BRT
0V
5V
ON
0V
sharp
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