Advantech IDK-2119 Series, User Manual

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7 IDK-2119 User Manual
Chapter 2
E
lectrical
Characteristics
2.2 Backlight Driving Conditions
Parameter guideline for LED Light Bar Driver is under stable conditions at 25°C
(Room Temperature):
Note1 The "LED lift time" is defined as the module brightness decrease to 50% orig-
inal brightness that the ambient temperature is 25°C and typical LED Current at 900
mA.
Note2 The LED driving condition is defined for each LED module.(6 LED Serial, a
LED includes 1 Chip).
Note3 The variance of LED Light Bar power consumption is 10%. Calculator value
for reference (IL x VL x 2 = PLED)
Table 2.3: Backlight driving conditions
Item Symbol Values Unit Condition
Min. Typ. Max.
LED Voltage VL 17.7 17.7 V Note 2
LED Current IL 890 900 mA Note 2
LED life time - 50,000 - - Hr Note 1