NL6448BC26-01 NEC Electronics, NL6448BC26-01 Datasheet - Page 7

• Manufacturer Part Number: NL6448BC26-01
• Manufacturer: NEC Electronics

Specifications of NL6448BC26-01

• Lead Free Status / Rohs Status: Not Compliant

3.3 ELECTRICAL CHARACTERISTICS
3.3.1 Driving for LCD panel signal processing board
3.3.2 Working for backlight lamp
Note1: Checkered flag pattern [by EIAJ ED-2522]
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,
Note3: In case "FO" is not the recommended value, beat noise may display on the screen, because of
Input voltage for DPSR
Logic input voltage for
display signals
Power supply voltage
Power supply voltage
Oscillation frequency
Power supply current
Power supply current
"VBLH" are the voltage value between low voltage side (Cold) and high voltage side (Hot).
power 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).
interference between "FO" and "1/th". Recommended value of "FO" is as following.
Starting voltage
Pb
signal
Pa
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
0
th: Horizontal synchronous cycle (See "3.9.4 Timing characteristics".)
n: Natural number (1, 2, 3 ⋅⋅⋅⋅⋅⋅⋅⋅)
Sa
1
4
×
High
High
Low
Low
th
1
× (2n-1)
Symbol
Symbol
VDLH
VFDH
VDLL
VFDL
VBLH
VCC
ICC
IBL
Sb
VS
FO
Data Sheet E0544EJ1V0DS
25
25
25
25
0.7Vcc
0.7Vcc
0
Ta
Min.
°C
°C
°C
°C
°C
3.0
4.7
0
0
-
-
Min.
900
700
3.0
50
270 Note1
105 Note1
-
Sa - Sb
Pa - Pb
Typ.
3.3
5.0
Pb
Sb
-
-
-
-
Typ.
410
5.0
54
-
-
× 100 ≤ 5 %
× 100 ≤ 5 %
0.3Vcc
0.3Vcc
Max.
400
Vcc
Vcc
3.6
5.3
-
Max.
5.5
58
-
-
-
mArms
NL6448BC26-01
Vrms
Vrms
Vrms
Unit
Unit
kHz
mA
mA
V
V
V
V
V
V
(Ta = 25°C)
for 3V system
for 5V system
VCC = 3.3V
VCC = 5.0V
CMOS level
Note1,Note2
Remarks
Remarks
Note1
Note2
Note3
7