T460HW03-VF View Datasheet(PDF) - AU Optronics
Part Name
Description
MFG CO.
'T460HW03-VF' PDF : 29 Pages View PDF
3.7 Backlight Specification
T460HW03 VF Product Specification
Rev. 1.0
The backlight unit contains 12 CCFLs (Cold Cathode Fluorescent Lamp)
3.7.1: Electrical specification
Item
Symbol
Spec
Condition
Unit Note
Min Typ Max
Input Voltage
VDDB
-
21.6 24 26.4 VDC -
Input Current
IDDB
VDDB=24V 6.745 7.1 7.455 ADC 1
Input Power
PDDB
VDDB=24V 161.88 170.4 178.92 W 1
Inrush Current
IRUSH
VDDB=24V -
- TBD ADC 2
On/Off control voltage
VBLON
ON
2
VDDB=24V
OFF
0
- 5.5
-
VDC
- 0.8
-
On/Off control current
IBLON
VDDB=24V -
- 1.5 mA -
MAX
3.0
-
3.3 VDC -
Dimming Control Voltage V_DIM
VDDB=24V
MIN
-
0
- VDC -
Dimming Control Current
I_DIM
VDDB=24V -
-
2 mADC -
Internal Dimming Ratio
DIM_R
VDDB=24V 10
- 100 % 3
External PWM
Control Voltage
MAX VDDB=24V 2
V_EPWM
MIN VDDB=24V 0
- 3.3
-
VDC
- 0.8
-
External PWM
Control Current
I_EPWM
VDDB=24V -
-
2 mADC -
External PWM Duty ratio D_EPWM
VDDB=24V 10
- 100 % 3
（ ℃ ） External PWM
Frequency
F_EPWM
VDDB=24V 140 180 240
Note 1 : Dimming ratio= 100% (MAX) Ta=25±5 , Turn on for 45minutes
Hz
-
Note 2: Measurement condition Rising time = 20ms (VDDB : 10%~90%);
Note 3: Less than10% dimming control is functional well and no backlight shutdown happened.
© Copyright AUO Optronics Corp. 2009 All Rights Reserved.
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