B133XW03-V4 AUO, B133XW03-V4 Datasheet - Page 16

• Manufacturer Part Number: B133XW03-V4
• Description: TFT LCD Module
• Manufacturer: AUO

5.2 Backlight Unit
5.2.1 LED characteristics
B133XW03 V4 Document Version : 0.1
Note 1: Calculator value for reference P
Note 2: The LED life-time define as the estimated time to 50% degradation of initial luminous.
5.2.2 Backlight input signal characteristics
Backlight Power
Consumption
LED Life-Time
LED Power Supply
LED Enable Input
High Level
LED Enable Input
Low Level
PWM Logic Input
High Level
PWM Logic Input
Low Level
PWM Input Frequency
PWM Duty Ratio
Parameter
Parameter
Symbol
PLED
N/A
Product Specification
AU OPTRONICS CORPORATION
VPWM_EN
VLED_EN
Symbol
LED
FPWM
VLED
Duty
= V
15,000
Min
F
-
(Normal Distribution) * I
Min
100
6.0
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2.5
2.5
5
-
-
Typ
-
-
12.0
Typ
--
-
-
-
-
-
Max
2.2
F
-
(Normal Distribution) / Efficiency
Max
21.0
20K
100
5.5
0.8
5.5
0.8
[Watt]
Units
Hour
Units
[Volt]
[Volt]
[Volt]
[Volt]
[Volt]
Hz
%
(Ta=25℃), Note 1
Vin =12V
(Ta=25℃), Note 2
I
F
=20 mA
Condition
Define as
Connector
Interface
(Ta=25℃)
Remark
16 of 33
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