參數(shù)資料
型號(hào): KS0090
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Driver & Controller for Dot Matrix LCD(點(diǎn)陣LCD的驅(qū)動(dòng)器和控制器)
中文描述: 驅(qū)動(dòng)程序
文件頁數(shù): 31/48頁
文件大?。?/td> 695K
代理商: KS0090
26COM / 64SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
KS0090
31
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 (2) or (3).
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
The internal V
REF
of voltage regulator has the temperature compensation function, and the temperature coefficient
is approximately
0.05%/
°
C at range
20
°
C to
+
50
°
C.
Figure 14. Voltage Regulator Circuit
V0
1
Ra
Rb
+
VREF
×
=
............. (1)
_
+
Inside Chip
GND
Ra
Rb
V
SS
VOUT
V0
VR
V
REF
相關(guān)PDF資料
PDF描述
KS0094 34 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
KS0104B Dot matrix LCD Driver(點(diǎn)陣LCD的驅(qū)動(dòng)器)
KS0105 32 CH COMMON DRIVER FOR DOT MATRIX LCD
KS0107B Dot matrix LCD Driver(點(diǎn)陣LCD的驅(qū)動(dòng)器)
KS0108B Dot matrix LCD Driver(點(diǎn)陣LCD的驅(qū)動(dòng)器)
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參數(shù)描述
KS0093 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
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