NL10276BC20_07Y NEC, NL10276BC20_07Y Datasheet - Page 8

• Manufacturer Part Number: NL10276BC20_07Y
• Description: Display Module
• Manufacturer: NEC

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4.3 ELECTRICAL CHARACTERISTICS
4.3.1 Driving for LCD panel signal processing board
4.3.2 Working for backlight lamp
Note1: Checkered flag pattern (by EIAJ ED-2522)
Note2: Pattern for maximum current
Note3: Common mode voltage for LVDS receiver
Note1: The power supply voltage cycle between lamps should be kept on a same phase. "VS" and
Note2: The asymmetric ratio of working waveform for lamps (Power supply voltage peak ratio, power
Note3: The lamp holder of this product contains two backlight lamps. The low voltage terminal of
Note4: In case "FO" is not the recommended value, beat noise may display on the screen, because of
Differential input threshold
voltage for LVDS receiver
Input voltage for LVDS
Input voltage for DPSR
Lamp oscillation frequency
Lamp starting voltage
Power supply voltage
Power supply current
"VBLH" are the voltage value between low voltage side (Cold) and high voltage side (Hot).
supply current peak ratio and waveform space ratio) should be less than 5 % (See the
following figure.). If the waveform is asymmetric, DC (Direct current) element apply into the
lamp. In this case, a lamp lifetime may be shortened, because a distribution of a lamp
enclosure substance inclines toward one side between low voltage terminal (Cold terminal)
and high voltage terminal (Hot terminal).
both lamps is connected to one contact point. Also above power supply current specification is
one lamp duty. Therefore, this lamp holder becomes twice as many power supply current as
above value on low voltage (Cold) line. The measurement for the power supply current value
of one lamp should measure on high voltage (Hot) line to each lamp.
interference between "FO" and "1/th". Recommended value of "FO" is as following.
receiver
Lamp voltage
Lamp current
signal
Pa: Supply voltage/current peak for positive, Pb: Supply voltage/current peak for negative
Sa: Waveform space for positive part, Sb: Waveform space for negative part
FO =
Parameter
Parameter
th: Horizontal synchronous cycle (See "4.9.3 Timing characteristics".)
n: Natural number (1, 2, 3
Pb
Pa
0
1
4
PRELIMINARY DATA SHEET DOD-M-1348 (2nd edition)
Sa
High
High
High
Low
Low
Low
th
1
Symbol
VBLH
(2n-1)
Symbol
VDRH
VDRL
VFDH
IBL
VFDL
VS
FO
VCC
VTH
VTL
ICC
Sb
25 C
25 C
25 C
25 C
0 C
Ta
)
-100
min.
3.0
2.0
2.0
0
0
-
-
1,100
min.
850
2.0
60
-
300 Note1
Sa - Sb
Pa - Pb
Sb
Pb
typ.
3.3
-
-
-
-
-
-
typ.
520
5.0
65
-
-
100 5 %
500 Note2
100 5 %
+100
VCC
max.
3.6
0.8
2.4
0.8
max.
-
5.5
70
NL10276BC20-07Y
-
-
-
mArms
Vrms
Vrms
Vrms
Unit
Unit
kHz
mA
mV
mV
V
V
V
V
V
(Ta = 25 C)
Note2, Note3
VCC = 3.3V
Note1,Note2
VCM=1.2V
Remarks
Remarks
Note3
Note1
Note4
-
-
-
8
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