NL6448AC33-13 NEC, NL6448AC33-13 Datasheet - Page 4

• Manufacturer Part Number: NL6448AC33-13
• Description: TFT Clolr LCD Module
• Manufacturer: NEC

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Backlight
Signals
(2) Backlight
SUPPLY VOLTAGE SEQUENCE
4
Lamp current
Lamp voltage
Lamp turn on voltage
Oscillator frequency
Note
V
CC
3.0 (4.75 V)
Parameter
Recommended value of “Ft”
If Ft is out of the recommended value, interference between Ft frequency and Hsync frequency may cause
beat on the display.
• Ft is within the specification.
• Ft =
and
0s<t<35 ms
4Th
1
2Tv
Symbol
V
V
Ft
I
L
L
S
(2n-1)
0s<t<35 ms
Min.
650
450
2.0
50
–
0<
Th : Hsync period
n : a natural number (1, 2, 3, ····)
1200
Typ.
480
600
2.5
54
3.0 (4.75 V)
Max.
5.0
58
–
–
–
*1 The supply voltage for input signals should
*2 Apply VHV within the LCD operation period.
*3 When the power is off, please keep whole
mArms
Vrms
Vrms
Vrms
Unit
kHz
be same as V
When the backlight turns on before LCD
operation or the LCD operation turns off
before the backlight turns off, the display
may momentarily become white.
signals (Hsync, Vsync, CLK, data) low
level or high impedance.
70 cd/m
90 cd/m
T
T
Note
a
a
= 0 ˚C
= 25 ˚C
2
2
: 2.5 mArms (Typ.)
: 3.1 mArms (Typ.)
CC
.
Remarks
NL6448AC33-13
T
a
= 25 ˚C