Litemax Electronics ALF1051, Руководство пользователя

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3. Electrical Characteristics
The
HD1051
requires three power inputs. One is employed to power the LCD electronics and to drive the TFT
array and liquid crystal. The second input which powers the CCFL, is typically generated by an inverter. The inverter
is an external unit to the LCD. Third is for CCFL heater.
Parameter Symbol Values Units Notes
Min. Typ. Max.
MODULE:
Power Supply Input Voltage
Power Supply Input Current
Power Consumption
LAMP:
Operating Voltage
Operating Current
Established Starting Voltage
at 25
o
C
at 0
o
C
Operating Frequency
Power Consumption
Life Time
V
CC
I
CC
P
c
V
BL
I
BL
f
BL
P
BL
3.0
-
-
-
30
3.3
0.210
0.7
750
7.0
-
55
21.0
40,000
3.6
-
-
7.5
1800
2000
60
Vdc
A
Watts
mA
V
RMS
V
RMS
kHz
Watts
Hrs
Vcc = 3.3 V
1 Vcc = 3.3 V
3
4
5
6
7
Notes: 1. The current draw and power consumption specified is for 3.3 Vdc at 25
o
C
and fv at 60Hz.(at Black
pattern displayed)
2. Logic level are specified for Vcc of 3.3 Vdc at 25
o
C. The values specified apply to all logic inputs; Hsync, Vsync,
Clock, data signals, etc.
3. The variance of the voltage is ± 10%.
4. The output voltage at the transformer in the inverter must be high considering to the loss of the
ballast capacitor in the inverter.
5. Lamp frequency may produce interference with horizontal sync. frequency and may cause beat on the
display. Therefore lamp frequency shall be detached as much as from the horizontal sync. and from the
harmonics of horizontal synchronous to avoid interference.
6. The lamp power consumption shown above does not include loss of external inverter.
7. The life time is determined as the time at which brightness of lamp is 50% compare to that of initial
value at the typical lamp current.
*Due to the lamp specification only the approved inverters by
Litemax
LCD is recommended for this LCD module.
(See the end of spec. for inverter spec.)
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