SLS System Logic Semiconductor
SL20T0081
Figure 9. Power supply circuits for various voltage boosting
VCI
VDD
C1
+
C1
+
VCI
VSS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
(a) 2-times voltage boosting configuration
(VOUT = 2VCI)
VCI
C1
+
+
C1
C1
+
+
C1
VDD
VCI
VSS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
(c) 4-times voltage boosting configuration
(VOUT = 3VCI)
VCI
C1
+
C1
+
+
C1
VDD
VCI
VSS
VOUT
C4+
C3+
C1-
C1+
C2+
C2-
(b) 3-times voltage boosting configuration
(VOUT = 3VCI)
VCI
VDD
C1
+
+
C1
C1
+
+
C1
+
C1
VCI
VSS
VOUT
CAP4+
CAP3+
CAP1-
CAP1+
CAP2+
CAP2-
(d) 5-times voltage boosting configuration
(VOUT = 5VCI)