Datasheet
11
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN3072.7
October 10, 2005
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”.
1
2
3
4
8
7
6
5
+
-
100µF
100µF
V
OUT
+
-
10µF
ICL7611
+
-
100Ω
50K
+8V
100K
50K
ICL8069
56K
+8V
800K
250K
VOLTAGE
ADJUST
-
+
ICL7660
ICL7660A
FIGURE 22. REGULATING THE OUTPUT VOLTAGE
1
2
3
4
8
7
6
5
+
-
+
-
10µF
16
TTL DATA
INPUT
15
4
10µF
13
14
12 11
+5V LOGIC SUPPLY
RS232
DATA
OUTPUT
IH5142
1
3
+5V
-5V
ICL7660
ICL7660A
FIGURE 23. RS232 LEVELS FROM A SINGLE 5V SUPPLY
ICL7660, ICL7660A