Inverter Board; Description; Electrical Characteristics - Acer AL922 Manual

5. INVERTER BOARD

5.1 Description

The Inverter board is designed for lighting up the back-lights of LCD module.

5.2 Electrical characteristics

5.2.1 FOR Fujitsu PANEL FLC48SXC8V
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
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.
MIN. TYP.
11.4V 12.0V
-------- 2A
-------- 700V rms.
--------. 7mA rms
40KHz 50KHZ
-------- 80%
-------- 1S
-------- 3S
10% --------
0V _
_ 220cd/m
1600 Vrms _
20,000 hrs _
27
MAX.
12.6V
_
--------
8mA rms
60KHz
--------
--------
_
100%
3.3V
2
_
_
_
COMMENT
12V±5%
Vin=12V,
Vbrite=3.3V
Vin = 12V,max
brightness
Open lamp
protection time
3.3V, brightness
Max.
(note)