CHARGE PUMP
DC-TO-DC CONVERTER
TC7662A
TYPICAL APPLICATIONS
Combined Negative Converter and Positive Multiplier
V+
1
8
CP2 +
10 µF
2
3 TC7662A
4
C P1
+
7
VD1
6
5 VOUT = –V+
CR2
+ 10 µF
VD2
+
VOUT = 2V+ –2VD
CR1
10 µF
Lowering Output Resistance by Paralleling Devices
V+
CP1 +
10 µF
1
8
2
7
3 TC7662A 6
4
5
CP2 +
10 µF
1
8
2
7
3 TC7662A 6
4
5
CR
10 µF +
VOUT
Positive Voltage Multiplier
V+
1
8
2
7
3 TC7662A 6
4
5
VD1
+
VD2
CP
+
10 µF
VOUT = 2V+–2 VD
CR
10 µF
CP +
10 µF
Split V+ In Half
V+
1
8
2
7
3 TC7662A 6
4
5
CR +
100 µF
VOUT =
V+
2
4-80
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