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9 IDK-1107WP User Manual
Chapter 2 Electrical Characteristics
2.2 Backlight Unit
2.2.1 Parameter Guideline for LED Backlight
Following characteristics are measured under a stable condition using an inverter at
25°C (Room Temperature):
Note 1: LED current is measured by utilizing a high frequency current meter as
shown below:
Note 2: The lifetime of the LED is defined as the time when it continues to operate
under the conditions at Ta=25±2°C and I
LED
=50mADC (LED forward cur-
rent) until the brightness becomes <=50% of its original value.
Table 2.3: Parameter Guideline for LED Backlight
Parameter Symbol Min. Typ. Max. Unit Remark
Converter Power Supply Voltage V
i
10.8 12 13.2 V
Converter Power Supply Current I
i
-0.25-A @ Vi=12V
(Duty 100%)
Converter Power
Consumption
P
LED
-3-W @ Vi=12V
(Duty 100%)
EN Control Level
Backlight on 2.0 - 3.3 V
Backlight off 0 - 0.8 V
PWM Control Level
PWM High
Level
2.0 - 3.3 V
PWM Low
Level
0 - 0.15 V
PWM Control Duty Ratio 20 100 %
PWM Control Frequency f
PWM
190 200 210 Hz
LED Life Time L
L
50,000 Hrs
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Productinformatie
| Merk | Advantech |
| Model | IDK-1107W |
| Categorie | Monitor |
| Taal | Nederlands |
| Grootte | 3518 MB |
