Backlight Driving Conditions - Advantech IDK-2108 Series User Manual

2.2

Backlight Driving Conditions

Parameter guidelines for LED light bar driver are under stable conditions at 25°C
(Room Temperature):
Table 2.3: Backlight Driving Conditions
Item
LED Voltage
LED Current
LED Life Time
Note 1: "LED life Time" is defined as a module brightness decrease of 50% original
brightness, and an ambient temperature of 25°C with typical LED current at 500mA.
Note 2: "LED Driving Condition" is defined for each LED module. (3 Serial LEDs, an
LED includes 1 chip).
Note 3: The LED Light Bar power consumption variance is 10%. Calculator value for
reference (IL x VL = PLED)
Symbol
Min. Typ.
VL 8.9
IL 490
- 50,000 -
7
Values Unit
Max.
8.9 V
500 mA
- Hr
IDK-2108 User Manual
Condition
Note 2
Note 2
Note 1