LQ150X1LG55 Sharp Electronics, LQ150X1LG55 Datasheet - Page 13

• Manufacturer Part Number: LQ150X1LG55
• Manufacturer: Sharp Electronics

Specifications of LQ150X1LG55

• Lead Free Status / Rohs Status: Compliant

【Note1】A lamp can be light in the range of lamp current shown above.
【Note2】Referential data per one CCFT by calculation ( I
【Note3】Lamp frequency of inverter may produce interference with horizontal synchronous frequency, and this
【Note4】The open output voltage of the inverter shall be maintained for more than 1s; otherwise
【Note5】Above value is applicable when lamp (the long side of LCD module) is placed horizontally.
7-2. Backlight △1, △2
Lamp current range
Lamp voltage
Lamp power consumption
Lamp frequency
Kick-off voltage
Lamp life time
The back light system is an edge-lighting type with 2 CCFTs (Cold Cathode Fluorescent Tube).
The characteristics of the lamp are shown in the following table.
The value mentioned below is at the case of only CCFT.
Parameter
（When using it outdoors and ON/OFF is repeated frequently）
In case of such usage under lower temp environment, periodical lamp check and exchange is recommended.
The life of a lamp is accelerated when using it in the environment where a lamp cannot get warm easily.
Maximum rating for current is measured by high frequency current measurement equipment
connected to V
(Note : To keep enough kick-off voltage and necessary steady voltage for CCFT.)
Panel surface temperature : 0∼60℃
The data don’t include loss at inverter. (I
the lamp may not be turned on.
Lamp life time is defined that it applied either ① or ② under this condition
(Continuous turning on at Ta=25
(Lamp life time may vary if lamp is in portrait position due to the change of mercury density inside
Lamp life time shortens according to the used state and environment.
In case of operating under lower temp environment, the lamp exhaustion is accelerated
and the brightness becomes lower.(Continuous operating for around 1 month under lower temp
condition may reduce the brightness to half of the original brightness.)
may cause horizontal beat on the display. Therefore, adjust lamp frequency, and keep inverter as far as
from module or use electronic shielding between inverter and module to avoid interference.
(Landscape position)
① Brightness becomes 50% of the original value under standard condition.
② Kick-off voltage at Ta=0
the lamp.)
Module
LOW
Symbol
at circuit showed below.
CN2,3：1pin
CN2,3：3pin
V
Vs
P
F
T
I
L
L
L
L
L
50,000
o
Min.
C exceeds maximum value, (1,400)Vrms.
3.5
−
−
40
−
o
C, I
Ａ
∼
L
=6.5mArms)
Typ.
L
660
6.5
4.3
55
−
−
=6.5 mArms)
L
Ｖ
∼
1,400
Max.
× V
7.5
−
−
70
−
Inverter
output voltage
L
) .
mArms 【Note1】
Vrms
Vrms
hour
kHz
Unit
W
【Note2】
【Note3】
【Note5】
Inverter output 【Note4】Ta=0℃
I
L
=6.5 mArms Ta=25℃ 55kHz
Inverter
Remark
LD19512C-10