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參數(shù)資料
| 型號： | M170EG01VA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 17.0” SXGA Color TFT-LCD |
| 中文描述： | 17.0“SXGA彩色TFT - LCD |
| 文件頁數(shù)： | 15/26頁 |
| 文件大?。?/td> | 337K |
| 代理商： | M170EG01VA |
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AU OPTRONICS CORPORATION
Product Specification
document version 0.1 15/26
M170EG01 VA
5.2 Backlight Unit
Parameter guideline for CCFL Inverter is under stable conditions at 25
(Room Temperature):
Parameter
Min.
Typ.
Max.
Unit
Condition
CCFL Standard Current(ISCFL)
7.0
7.5
8.0
[mA] rms
Note 2
CCFL Operation Current(IRCFL)
3.0
7.5
8.0
[mA] rms
Note 2
CCFL Frequency(FCFL)
40
60
80
[KHz]
Note 3,4
CCFL Ignition Voltage(ViCFL, Ta= 0
)
1500
-
-
[Volt] rms
CCFL Ignition Voltage(ViCF, Ta= 25
)
1150
-
-
[Volt] rms
Note 5
CCFL Operation Voltage (VCFL)
-
660
(@ 7.5mA)
700
(@ 3.0mA)
[Volt] rms Note 6
CCFL Power Consumption(PCFL)
-
19.8
21.8
[Watt]
Note 6
CCFL Life Time(LTCFL)
40,000
50,000
-
[Hour]
Note 1: Typ. are AUO recommended design points.
*1 All of characteristics listed are measured under the condition using the AUO test inverter.
*2 In case of using an inverter other than listed, it is recommended to check the inverter carefully.
Sometimes, interfering noise stripes appear on the screen, and substandard luminance or flicker
at low power may happen.
*3 In designing an inverter, it is suggested to check safety circuit very carefully. Impedance of
CCFL, for instance, becomes more than 1 [M ohm] when CCFL is damaged.
*4 Generally, CCFL has some amount of delay time after applying kick-off voltage. It is
recommended to keep on applying kick-off voltage for 1 [Sec] until discharge.
*5 Reducing CCFL current increases CCFL discharge voltage and generally increases CCFL
discharge frequency. So all the parameters of an inverter should be carefully designed so as not
to produce too much leakage current from high-voltage output of the inverter.
Note 2: It should be employed the inverter which has “Duty Dimming”, if IRCFL is less than 4mA.
Note 3: CCFL discharge frequency should be carefully determined to avoid interference between inverter
and TFT LCD.
Note 4: The frequency range will not affect to lamp life and reliability characteristics.
Note 5: CCFL inverter should be able to give out a power that has a generating capacity of over 1,500
voltage. Lamp units need 1,500 voltage minimum for ignition.
Note 6: The variance of CCFL power consumption is ±10%. Calculator value for reference (ISCFL × VCFL ×
4 = PCFL)
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