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| 型号： | S6B0717X01-xxXN |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | CAT5 SHLD, PVC PATCH CBL STRGHT PIN, 100MHZ-YELLOW |
| 中文描述： | 55的COM / 100赛格驱动 |
| 文件页数： | 29/65页 |
| 文件大小： | 910K |
| 代理商： | S6B0717X01-XXXN |
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S6B0717
55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD
25
Voltage Regulator Circuits
The function of the internal Voltage Regulator circuits is to determine liquid crystal operating voltage, V0, by
adjusting resistors, Ra and Rb, within the range of |V0| < |VOUT|. Because VOUT is the operating voltage of
operational-amplifier circuits shown in figure 16, it is necessary to be applied internally or externally.
For the Eq. 1, we determine V0 by Ra, Rb and V
EV
. The Ra and Rb are connected internally or externally by INTRS
pin. And V
EV
called the voltage of electronic volume is determined by Eq. 2, where the parameter
α
is the value
selected by instruction, "Set Reference Voltage Register", within the range 0 to 63. V
REF
voltage at Ta = 25
°
C is
shown in table 14-1.
Rb
V0 = ( 1 +
) x V
EV
[V] ------ (Eq. 1)
Ra
(63 -
α
)
V
EV
= ( 1 -
) x V
REF
[V] ------ (Eq. 2)
162
Table 14-1. V
REF
voltage at Ta = 25
°
C
REF
V
REF
[V]
H (internal)
2.1
L (external)
VEXT
Table 14-2. Reference Voltage Parameter (
a
)
SV5
SV4
SV3
SV2
SV1
SV0
Reference voltage parameter (
a
)
0
0
:
:
1
1
0
0
:
:
1
1
0
0
:
:
1
1
0
0
:
:
1
1
0
0
:
:
1
1
0
1
:
:
0
1
0
1
:
:
62
63
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| S6B0717 | 55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD |
| S6B0718 | 104 SEG / 81 COM DRIVER & CONTROLLER FOR STN LCD |
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相关代理商/技术参数 |
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| S6B0718 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:104 SEG / 81 COM DRIVER & CONTROLLER FOR STN LCD |
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| S6B0721X01-B0CY | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
| S6B0721X01-B0CZ | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD |
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