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PDF LC320WXE-SBB1 Datasheet ( Hoja de datos )

Número de pieza LC320WXE-SBB1
Descripción WXGA TFT LCD Module
Fabricantes LG 
Logotipo LG Logotipo
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LC320WXE-SBB1 datasheet

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LC320WXE-SBB1 pdf
Product Specification
RECORD OF REVISIONS
Revision No.
0.1
0.2
Revision Date
Jun, 30, 2008
Jul, 14, 2008
0.3 Aug, 12, 2008
0.4 Aug, 20, 2008
Page
Description
- Preliminary Specification(First Draft)
21,22 Change of Mechanical drawing(Cover bottom)
1,A3-6,14 Change of Model Name(SBD1ÆSBB1)
22 Change of Mechanical drawing(UDM Hole Size)
- Change of TDB SPEC
LC320WXE
Ver. 0.4
3 / 27
Free Datasheet http://www.datasheet4u.net/

5 Page

LC320WXE-SBB1 arduino
Product Specification
9. The reference method of burst dimming duty ratio.
It is recommended to use synchronous V-sync frequency for prevent waterfall
(Vsync x 2 =Burst Frequency)
PWM
T
A
LC320WXE
+3.3V TTL
Output of Inverter to Lamp
90%
PWM duty={ A/T } * 100
Point A
Point A : rising time 90% of Iout point .
Point B : falling starting point .
I out duty = { a/T } * 100
PWM Frequency = 1/T
a
Point B
I-out
We recommend not to be much different between PWM duty and Iout duty .
Dimming current output rising and falling time may produce humming and inverter trans’ sound noise.
Burst dimming duty should be 100% for 1second after turn on
Equipment
Oscilloscope :TDS3054B(Tektronix)
Current Probe : P6022 AC (Tektronix)
High Voltage Probe: P5100(Tektronix)
10. The Cable between the backlight connector and its inverter power supply should be connected directly
with a minimized length. The longer cable between the backlight and the inverter may cause the lower
luminance of lamp and may require more higher starting voltage ( Vs ).
11. The operating current must be measured as near as backlight assembly input.
12. The operating current unbalance between left and right must be under typ ± 10%.
Ver. 0.4
9 / 27
Free Datasheet http://www.datasheet4u.net/

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