Acer AM778 Manual - Página 29

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5.3 Inverter (DC to AC Section)

5.4 Electrical characteristics

5.4.1 FOR AU PANEL M170EN05
INPUT VOLTAGE
INPUT CURRENT
Normal BACKLIGHT
VOLTAGE
LAMP CURRENT
DRIVING
FREQUENCY
EFFICIENCY
Vin ON/OFF
sequence
OLP TIME
BRIGHTNESS
RANGE
Brightness control
Brightness
Strike voltage at 0°C
Operating life time
PWM dimming
frequency
Note:
Life time (hr) can be defined as the time in which it continues to operate under the condition:
Ta=25±2°C, IL =7 mArms until one of the following event occurs:
1. When the brightness becomes 50 %
2. When the startup voltage (Vs) at 0°C becomes higher than the maximal value of Vs specified above.
TYP.
MIN.
12.0V
11.4V
--------
2A
--------
700V rms.
3mA rms.
7mA rms
40KHz
50KHZ
--------
75%
--------
0.5S
--------
1S
30%
--------
0.4V
_
_
260cd/m
1700 Vrms
_
30,000 hrs
_
160Hz
180Hz
29
MAX.
12.6V
--------
--------
7.5mA rms
80KHz
--------
--------
_
100%
3.3V
2
_
_
_
200Hz
COMMENT
12V±5%
Vin=12V,
Vbrite=3.3V
Vin = 12V,max
brightness
Open lamp
protection time
3.3V, brightness
max.
(note)