Pk070011400/Lienhang Inverter Board; Description; Electrical Characteristics - Acer AL722 Manual

5. PK070011400/LIENHANG INVERTER BOARD

A. Description
The LI-2098 Inverter board is designed for lighting up the back-lights of LCD module.
B. Electrical characteristics
B-1 FOR FUJITSU PANEL (FLC44SXC8V)
INPUT VOLTAGE
INPUT CURRENT
Normal BACKLIGHT
VOLTAGE
LAMP CURRENT
DRIVING
FREQUENCY
EFFICIENCY
PWM dimming
frequency
Vin ON/OFF
sequence
OLP TIME
BRIGHTNESS
RANGE
Brightness control
Brightness
Strike voltage at 0°C
Strike voltage at 25°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 =12 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.
All manuals and user guides at all-guides.com
MIN. TYP.
11.4V 12.0V
-------- 2.1A
-------- 700 Vrms.
4m 6mArms
40KHz 50KHZ
-------- 78%
160Hz 180Hz
-------- 0.5S
-------- 1S
30% --------
0V _
2
170 cd/m 220cd/m
_ _
_ 1300 Vrms
50,000 hrs _
14
MAX. COMMENT
12.6V
Vin=12V,Vbrite=3.7
_
--------
Each CCFL
7m
60KHz
Vin = 12V,max
--------
200Hz
--------
Open lamp
_
protection time
100%
3.75V, brightness
3.75V
2
_
1500 Vrms
1500 Vrms
_
12V±5%
5V
brightness
max
(note)