Advantech IDK-1110WR-50WSA1, Руководство пользователя

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IDK-1110WR User Manual 10
2.2 Backlight Unit
2.2.1 Parameter Guidelines for LED Backlight
The following characteristics are measured under a stable condition using an inverter
at 25°C (Room Temperature):
Note1:
Condition: Ta=25°C, continuous lighting
Life time is estimated data. Definitions of failure:
1. LCM brightness becomes half of the minimum value.
2. LED doesn’t light normally.
Parameter Symbol
Value
Unit Note
Min. Typ. Max.
LED Driver Voltage LED_VCCS 9 12 15 V
Input Current ILED - 225 270 mA
VLED=12V
(duty 100%)
Power Consumption PLED - 2.7 3.3 W
LED_EN Voltage
BL On 2.3 - 5 V
BL Off 0 - 0.5 V
PWM Frequency FPWM 190 2000 Hz
PWM Duty Ratio DPWM 10 - 100 %
PWM Control Level
High Level 2.3 - 5
V
Low Level 0 - 0.5
LED Life Time 50,000 Hour