T315HW04_V8 AUO, T315HW04_V8 Datasheet - Page 14

• Manufacturer Part Number: T315HW04_V8
• Description: LCD Module
• Manufacturer: AUO

3.7 Backlight Specification (Inverter Type)
Note 1 : Dimming ratio= 100% (MAX)
Note 2 : Measurement condition Rising time = 20ms (VDDB : 10%~90%);
Note 3 :
For External PWM application,
For External PWM application, no backlight shutdown when 0% dimming hold time <10sec
© Copyright AUO Optronics Corp. 2009 All Rights Reserved.
3.7.1 Electrical specification
The backlight unit contains 4U CCFLs (Cold Cathode Fluorescent Lamp)
On/Off control voltage
On/Off control current
Operating Frequency
External PWM Duty
Dimming Control
Dimming Control
Control Voltage
Control Current
Dimming Ratio
Inrush Current
External PWM
External PWM
External PWM
Internal PWM
Internal PWM
Internal PWM
Input Voltage
Input Current
Input Power
Frequency
Voltage
Current
Item
ratio
≧
V_EPWM
V_IPWM
5 % dimming is function well and no backlight shutdown.
V
D_EPWM
F_EPWM
R_IPWM
BLON
I_EPWM
Symbol
I_IPWM
（
V
P
I
I
FBL
I
RUSH
BLON
DDB
DDB
DDB
T a=25±5 , Turn on for 45minutes
MAX
MAX VDDB=24V
OFF
MIN
MIN
ON
℃
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
VDDB=24V
Condition
-
21.6
3.09
74.1
Min
140
3.0
53
10
10
2
0
2
0
-
-
-
-
-
T315HW04 V8 Product Specification
Spec
3.25
Typ
180
24
78
55
0
-
-
-
-
-
-
-
-
-
-
-
）
Max
26.4
3.41
81.9
5.25
100
100
240
5.5
0.8
1.5
3.3
3.3
0.8
57
2
2
-
mADC
mADC
VDC
ADC
ADC
VDC
VDC
VDC
VDC
Unit
KHz
mA
Hz
W
%
%
Page 14 / 29
Note
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Rev. 0.4