LQ14D412 Datasheet, PDF (7/19 Pages) Sharp Electrionic Components – TENRI LIQUID CRYSTAL DISPLAY GROUP SHARP CORPORATION SPECIFICATION

[Notel ]
Vcc-turrt-on conditions
Vcc
4. 5V
LD-7606- 5
O<tlslolns
o<t2sloms
o<t3sls
Vcc
V&p conditions
1) 2.7V ~ VCC < 4.5V
td~loms
2 ) Vcc < 2.7V
t
< ^td _>
Vcc-dip conditions shodd also follow the Vcc-tum-on conditions
toff> 1s
Vcc
A
>
>_t. ’‘.^ITn
m_{v v}
7
Ov
/—.
[Off
>
[Note2] Typical current situation : 16-gray-bar pattern.
480 line mode
VCC=+5.OV
[Note3 ] cqo-R7,Go--G7,Bo-B7 fiync,vs~c$NM
[Note41 cmo-R7,M7,Bo-B7yspc, vsync
[Note5] ENAB
RGB ~GB
RGS
ifGB
8GB
G30
,16
’32
CS24
cs~ss
,: .:: ”:. :
m ^{— .!:,,.:.,,,,,::.;.,~:w,,:.,!y:..,,:,...:,:,,,...,:....f,:,,..}:^{.X.i...:::”.,.,,....,.,.,::}
6-2. Backlight driving
The backlight system is an edge-lighting type with double CCFT (Cold Cathode Fluorescent
Tube). The characteristics of lamps are shown in the following table.
Ta=25~
Parameter
Symbol Min. Typ Max. unit Remark
+12V Supply Voltage
VDD
10.8
12.0 13.2 v
+12V Supply Current
IDD
–
700 900 mA VDD = 12.ov
+5V Supply Voltage
VEE
4.75
5.0 5.25 v
+5V Supply Current
IEE
–
3.3 5.0 mA
Bright Control Voltage e vcON
o
– 3.5 _{v [Notel ]}
Lamp OFF Voltage
vcON 4.5 – 5,0 v
Bright Control Current
ICON
–
–
1.0
11A
Lamp Status Voltage (Lamp ON)
vST VEE -0.5 VEE –
v _{[Note2 ]}
Lamp status voltage (Lamp OFF) VST
o
– 0.5 v
Lamp life time
LL 10000 – – _{H [Note3 ]}
Permissive input ripple voltage VDD _v~~D)
–
VEE v~(EE)
–
– 150 mVp-p [Note4 ]
– 100 mVp-p
A²
Vcon v~(con) –
– 100 mVp-p