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COG-VLGT6566-03 Datasheet, PDF (10/18 Pages) Varitronix international limited – 4.3” TFT, 480 x RGB x 272 dots, 16M Colors, positive, transmissive dot matrix LCD module.
5. Electrical Specifications
VL-FS-COG-VLGT6566-03 REV.A
(COG-VLGT6566-03)
JUL/2010
PAGE 10 OF 18
5.1 Typical Electrical Characteristics
At Ta = 25 °C, VDD=3.0±0.1V, VSS=0V.
Parameter
Power supply voltage
(Logic)
Input signal voltage
Supply current (Logic)
Supply voltage of
white LED backlight
Symbol
VDD
VIH
VIL
IDD
VLED
Luminance (on the
backlight surface)
Table 5
Conditions
“H” level
“ L” level
VDD=3.0V
Forward current
=20 mA @25°C
No. of LED dies
= 7 x 1 = 7 dies
Min. Typ. Max. Unit
2.9 3.0 3.1
V
0.8VDD - VDD V
0
- 0.2VDD V
-
-
30 mA
-
23.1 -
V
2800
-
-
cd/m2
Note: Do not display the fixed pattern for a long time because it may develop image sticking due to
the LCD structure. It should change pattern frequently. If the screen is displayed with fixed
pattern, use a screen saver.