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參數(shù)資料
| 型號(hào)： | S6A0090 |
| 廠(chǎng)商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 64賽格/ 26 COM驅(qū)動(dòng)程序 |
| 文件頁(yè)數(shù)： | 36/54頁(yè) |
| 文件大小： | 549K |
| 代理商： | S6A0090 |
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S6A0090
64 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD
32
VOLTAGE REGULATOR
The Voltage Regulator circuit is used to obtain an appropriate LCD panel driving voltage. This voltage is obtained
by adjusting resistors Ra and Rb as shown in equation (1), and by setting electronic contrast control data bits, see
equation (1), (2)
The potential of V0 pin can be adjusted within V
REF
to VOUT. V
REF
is the internal constant voltage source of the
chip and this value is 2.0V in the condition V
DD
≥
2.4V
Voltage regulation by adjusting resistors Ra, Rb
Rb
V0 = ( 1 + ---------- )
×
V
REF
– – – – – – – (1)
Ra
The internal V
REF
of the voltage regulator has the temperature compensation function, and the temperature
coefficient is approximately –0.05%/
o
C.
_
+
Inside Chip
GND
Ra
Rb
V
SS
VOUT
V0
VR
V
REF
Figure 19. Voltage Regulator Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| S6A0092 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:80 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| S6A0093 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:80 SEG / 26 COM DRIVER & CONTROLLER FOR STN LCD |
| S6A0094 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:80 SEG / 34 COM DRIVER & CONTROLLER FOR STN LCD |
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