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參數(shù)資料
| 型號： | KS0724 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD |
| 中文描述： | 65的COM / 132賽格驅(qū)動 |
| 文件頁數(shù)： | 28/66頁 |
| 文件大?。?/td> | 899K |
| 代理商： | KS0724 |
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65 COM / 132 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.8 KS0724
24
Voltage Converter Circuits
These circuits boost up the electric potential between VCI and V
SS
to 2, 3, 4 or 5 times toward positive side and
boosted voltage is outputted from VOUT pin.
[C1 = 1.0 to 4.7
μ
F]
VOUT= 2
×
VCI
V
SS
VCI
C1
+
-
-
+
-
+
C1
C1
C1
+
-
-
+
C1
VCI
V
SS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
VCI
V
SS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
VOUT= 3
×
VCI
V
SS
VCI
VCI
VDD
VDD
VCI
Figure 11. Two Times Boosting Circuit Figure 12. Three Times Boosting Circuit
C1
C1
C1
+
-
-
+
+
-
-
+
+C1
C1
C1
+
-
-
+
-
+C1
C1
+
C1
VOUT= 4
×
VCI
V
SS
VCI
VCI
V
SS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
VOUT= 5
×
VCI
VCI
V
SS
VCI
V
SS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
VCI
VCI
VDD
VDD
Figure 13. Four Times Boosting Circuit Figure 14. Five Times Boosting Circuit
* The VCI voltage range must be set so that the VOUT voltage does not exceed the absolute maximum
rated value
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