Backlight Unit; Parameter Guideline For Lcd - Advantech IDK-121R-42XGA1 User Manual

Tft-lcd 12” xga (led backlight)
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Differential Input Low
Threshold
Input Differential Voltage VID
Differential Input Com-
mon Mode Voltage
Note
LVDS Signal Waveform.
2.2

Backlight Unit

2.2.1

Parameter guideline for LCD

The following characteristics are measured under a stable conditions using an
inverter at 25°C (Room Temperature):
Parameter
Input Voltage
Input Current
Power Consumption
Dimming Frequency
Swing Voltage
Dimming Duty Cycle
VTL
100
-
100
400
VICM
1.15
1.2
Value
Symbol
Min.
Typ.
VCC
10.8
12
I
-
0.6
VCC
P
-
7.2
VCC
F
200
-
PWM
3
3.3
5
-
9
-
[mV]
VICM=1.2V
600
[mV]
1.45
[V]
VTH/VTL=100mV
Unit
Remark
Max.
12.6
[Volt]
-
[A]
100% PWM Duty
10
[Watt] 100% PWM Duty
20K
[Hz]
5.5
[Volt]
100
%
IDK-121R User Manual

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