FN3072 Rev.7.00

Page 11 of 11

Oct 5, 2010

ICL7660, ICL7660A

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in the quality certifications found at www.intersil.com/en/support/qualandreliability.html

Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice, provided that such

modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets 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

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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

+

-

100

F

100

F

+

-

10

F

ICL7611

+

-

100



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

+

-

+

-

10

F

16

TTL DATA

INPUT

15

4

10

F

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