參數(shù)資料
型號(hào): S6B1741
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 128 SEG / 129 COM DRIVER %26 CONTROLLER FOR 4 GRAY SCALE STN LCD
中文描述: 賽格128/129 COM驅(qū)動(dòng)程序及4級(jí)灰度STN液晶顯示控制器
文件頁數(shù): 34/78頁
文件大小: 472K
代理商: S6B1741
S6B1741
128SEG/129COM DRIVER & CONTROLLER FOR STN LCD
30
Voltage Converter Circuits
These circuits boost up the electric potential between VCI and V
SS
to 3, 4, 5 or 6 times toward positive side and
boosted voltage is outputted from VOUT pin. It is possible to select the lower boosting level in any boosting circuit by
"Set DC-DC Step-up" instruction. When the higher level is selected by instruction, VOUT voltage is not valid.
[C1 = 1.0 to 4.7
m
F]
VOUT = 3 x VCI
VOUT
C4+
C2+
C2-
C1
C3+
V
SS
VCI
V
SS
C5+
C1-
C1+
-
+
C1
-
+
C1
-
+
Figure 17. Three Times Boosting Circuit
VOUT = 4 x VCI
VOUT
C4+
C2+
C2-
C1
C3+
V
SS
VCI
V
SS
C5+
C1-
C1+
-
+
C1
-
+
C1
-
+
-
+C1
Figure 18. Four Times Boosting Circuit
VOUT = 5 x VCI
VOUT
C4+
C2+
C2-
C3+
V
SS
VCI
V
SS
C5+
C1-
C1+
C1
-
+
C1
-
+
-
+C1
C1
-
+
-
+
C1
Figure 19. Five Times Boosting Circuit
VOUT = 6 x VCI
VOUT
C4+
C2+
C2-
C3+
V
SS
VCI
V
SS
C5+
C1-
C1+
C1
-
+
C1
-
+
-
+
C1
C1
-
+
-
+
C1
-
+
C1
Figure 20. Six Times Boosting Circuit
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