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PDF V420H1-L01 Data sheet ( Hoja de datos )
| Número de pieza | V420H1-L01 | |
| Descripción | TFT LCD Module | |
| Fabricantes | Chi Mei | |
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www.DataSheet.co.kr
Issued Date: Aug.31.05
Model No.: V420H1-L01
Preliminary
TFT LCD Preliminary Specification
MODEL NO.: V420H1 - L01
LCD TV Head Division
1
The information described in this technical specification is tentative and it is possible to be changed without prior
notice. Please contact CMO ’s representative while your product design is based on this specification. Version1.3
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Issued Date: Aug.31.05
Model No.: V420H1-L01
Preliminary
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item
Storage Temperature
Operating Ambient Temperature
Shock (Non-Operating)
Vibration (Non-Operating)
Symbol
TST
TOP
SNOP
VNOP
Value
Min. Max.
-20 +60
0 50
- (50)
- 1.0
Note (1) Temperature and relative humidity range is shown in the figure below.
Unit Note
ºC (1)
ºC (1), (2)
G (3), (5)
G (4), (5)
(a) 90 %RH Max. (Ta 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Note (2) The maximum operating temperature is based on the test condition that the surface temperature of
display area is less than or equal to 60 ºC with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in final product design to prevent the surface temperature
of display area from being over 60 ºC. The range of operating temperature may degrade in case of
improper thermal management in final product design.
Note (3) 11 ms, half sine wave, 1 time for ± X, ± Y, ± Z.
Note (4) 10 ~ 200 Hz, 10 min, 1 time each X, Y, Z.
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough so
that the module would not be twisted or bent by the fixture.
Relative Humidity (%RH)
100
90
80
60
Operating Range
40
20
10 Storage Range
-40 -20
0 20 40 60 80
Temperature (ºC)
5
The information described in this technical specification is tentative and it is possible to be changed without prior
notice. Please contact CMO ’s representative while your product design is based on this specification. Version1.3
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Issued Date: Aug.31.05
Model No.: V420H1-L01
Preliminary
and IL = 4.2 ~ 5.2 mArms.
Note (5) The power supply capacity should be higher than the total inverter power consumption PBL. Since
the pulse width modulation (PWM) mode was applied for backlight dimming, the driving current
changed as PWM duty on and off. The transient response of power supply should be considered for
the changing loading when inverter dimming.
3.2.3 INVERTER INTERTFACE CHARACTERISTICS
Parameter
Symbol
Test
Condition
Min.
Value
Typ.
Max.
Inverter Good Signal
HI VIG = High 2.0 - 5.0
VIG
LO
VIG =Low 0
- 0.8
On/Off Control Voltage ON VBLON - 2.0 - 5.0
OFF
- 0 - 0.8
Internal/External PWM
Select Voltage
HI VSEL
LO
-
-
2.0 - 5.0
0 - 0.8
Internal PWM Control
Voltage
MAX
MIN
VIPWM
VSEL = L
-
-
- 3.0
0-
External PWM Control
Voltage
HI 2.0 - 5.0
VEPWM VSEL = H
LO 0 - 0.8
Control Signal Rising Time
Tr - - - 100
Control Signal Falling Time
Tf - - - 100
Unit Note
V
Normal Output
Voltage
V
Abnormal Output
Voltage
V
V
V
V
V maximum duty ratio
V minimum duty ratio
V duty on
V duty off
ms
ms
PWM Signal Rising Time
PWM Signal Falling Time
Input impedance
BLON Delay Time1
BLON Off Time1
BLON Delay Time2
BLON Off Time2
TPWMR
TPWMF
RIN
Ton1
Toff1
Ton2
Toff2
-
-
-
-
-
-
-
- - 50 us
- - 50 us
1 - -M
1 - - ms
1 - - ms
1 - - ms
1 - - ms
Inverter Good Signal Delay Time
TIG,on
-
- - 3 sec
Note (1) The SEL signal should be valid before backlight turns on by BLON signal. It is inhibited to change
the internal/external PWM selection (SEL) during backlight turn on period.
Note (2) The power sequence and control signal timing are shown in the following figure.
Note (3) The power sequence and control signal timing must follow the figure below. For a certain reason,
the inverter has a possibility to be damaged with wrong power sequence and control signal
timing.
11
The information described in this technical specification is tentative and it is possible to be changed without prior
notice. Please contact CMO ’s representative while your product design is based on this specification. Version1.3
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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