ICL7660 Datasheet, PDF (10/10 Pages) Intersil Corporation – CMOS Voltage Converters

ICL7660, ICL7660A
Other Applications
Further information on the operation and use of the ICL7660
and ICL7660A may be found in AN051 “Principals and
Applications of the ICL7660 and ICL7660A CMOS Voltage
Converter”.
+8V
56K
50K
100K
50K
+8V
-
ICL7611
+
ICL8069
+
100 F _-
100
-
10 F
+
1
8
2 _ICL7660 7
3 ^ICL7660A 6
4
5
V_OUT
800K
250K
VOLTAGE
ADJUST
-
100 F
+
FIGURE 22. REGULATING THE OUTPUT VOLTAGE
+5V LOGIC SUPPLY
TTL DATA
INPUT
+
10 F _-
16
4
15
1
8
2 _ICL7660 7
3 ^ICL7660A 6
4
5
-
10 F ₊
12 11
1
3
IH5142
13 14
RS232
+ 5V
DATA
OUTPUT _-5V
FIGURE 23. RS232 LEVELS FROM A SINGLE 5V SUPPLY