參數(shù)資料
型號(hào): S6B0759
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD
中文描述: 81的COM / 128賽格驅(qū)動(dòng)
文件頁數(shù): 30/68頁
文件大?。?/td> 657K
代理商: S6B0759
81 COM / 128 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 1.2 S6B0759
26
Voltage Converter Circuits
These circuits boost up the electric potential between VCI and Vss 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]
Vss
VOUT
C5+
C3+
C1-
C1+
C2+
C2 -
C4+
Vss
VCI
C1
-
+
VOUT = 3 x VCI
C1
-
+
C1
-
+
-
Vss
VOUT
C5+
C3+
C1-
C1+
C2+
C2 -
C4+
Vss
VCI
C1
-
+
C1
-
+
C1
-
+
-
C1
-
+
-
VOUT = 4 x VCI
Figure 17. Three Times Boosting Circuit Figure 18. Four Times Boosting Circuit
Vss
VOUT
C5+
C3+
C1-
C1+
C2+
C2 -
C4+
Vss
VCI
C1
-
+
C1
-
+
C1
-
-
+
-
Vss
VOUT
C5+
C3+
C1-
C1+
C2+
C2 -
C4+
Vss
VCI
C1
-
+
C1
-
+
C1
-
-
+
-
C1
-
+
-
C1
-
+
-
C1
+
C1
+
VOUT = 5 x VCI
VOUT = 6 x VCI
C1
-
+
-
Figure 19. Five Times Boosting Circuit Figure 20. Six Times Boosting Circuit
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