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KA723

Precision Voltage Regulator
Features
Positive or Negative Supply Operation 0.01% Line and Load Regulation Output Voltage Adjustable from 2V to 37V Output Current to 150mA Without External Pass Transistor

Description
The KA723 are monolithic integrated circuit voltage regulators featuring high ripple rejection, excellent output and load regulation, excellent temperature stability, and low standby current. The KA723 are also useful in a wide range of other applications such as a shunt regulator, a current regulator or a temperature controller.
14-DIP

1

14-SOP

1

Internal Block Diagram
VCC INVERT INPUT FREQUENCY COMPENS VC

12 TEMP COMPENS ZENER

4

13

11

REF AMP ERROR AMP

SERIES PASS TRANSISTOR

10
VO

6
VREF

7
-VCC

5

NON INVERT CURRENT CURRENT INPUT LIMIT SENSE

2

3

9
VZ

Rev. 1.0.1
2002 Fairchild Semiconductor Corporation

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KA723 DATASHEET