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*7. Audio noise: less than 36db@10cm distance
NOTE: *8. Wave form requirement: 1.27<=Ip/Irms<=1.8
LCD Inverter Specification FOR 15.0"
Panel Lis
No.
LCD Type
15.0" XGA TFT
15.0" SXGA
TFT
This Inverter is desigened for the CCFL of
PWM duty to control the LCD brightness.
Features
1. +5V fixed input voltage
2. Brightness adjustment by PWM duty cycle.
3. Build with Current limited function and open lamp protection function, meet with safety requirement.
Inverter Characteristics
No
Parameter
.
1
Input
voltage
2
Input
current
3
Lamp
Current
4
Lamp
voltage
5
Frequency
6
Output
power
7
Efficiency
8
Starting
voltage
9
Enable
10
PWM
signals *3
30
Vendor
LG
LP150X1-
G2CP (XGA
TFT)
IBM
ITSX95C
α
Symbol
Min.
Vin
4.7
Iin
--
ILmas
5.5
VL
--
F
45
Pout
--
80
Vs
1550
VIH
2.4
VIL
--
--
VIH
2.4
VIL
30
Frequency range
Model No.
Min./Typ./Max
40/60/80KHz
40/.../60KHz
550 15.1" LCD which are using on the
Typ.
Max.
4.8
4.9
---
1.2
5.75
6.0
3.0
--
690
55
65
--
4.6
85
--
--
--
--
0.8
150
--
0.8
--
100
Lamp current
(mArms)
Min/Typ/Max
3.0/6.0/8.0mA
3.0/6.5/7.0mA
α
550 notebook. We use
Unit
Conditions
V
A
mArms
Enable= H,
PWM Duty = 100%
mArms
Enable = H,
PWM Duty = 30%
At IL = 5.5 mArms
Vrms
kHz
*2
W
%
Vrms
At 0 degree C
V
Compal Output H: 3.3V
Compal Output L: 0V
V
Hz
PWM signal frequency
V
Compal OUtput H: 5.0V
V
Compal Output L: 0V
%
Chapter 1
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