S E M I C O N D U C T O R
CA723, CA723C
Description
The CA723 and CA723C are silicon monolithic integrated cir-
cuits designed for service as voltage regulators at output volt-
ages ranging from 2V to 37V at currents up to 150mA.
Each type includes a temperature-compensated reference
ampli鏗乪r, an error ampli鏗乪r, a power series pass transistor, and
a current-limiting circuit. They also provide independently acces-
sible inputs for adjustable current limiting and remote shutdown
and, in addition, feature low standby current drain, low tempera-
ture drift, and high ripple rejection.
The CA723 and CA723C may be used with positive and nega-
tive power supplies in a wide variety of series, shunt, switching,
and 鏗俹ating regulator applications. They can provide regulation
at load currents greater than 150mA and in excess of 10A with
the use of suitable n-p-n or p-n-p external pass transistors.
The CA723 and CA723C are supplied in the 10 lead TO-100
metal can(T suf鏗亁), and the 14 lead dual-in-line plastic package
(E suf鏗亁), and are direct replacements for industry types LM723,
LM723C in packages with similar terminal arrangements.
April 1994
Voltage Regulators Adjustable from 2V to 37V at Output
Currents Up to 150mA Without External Pass Transistors
Features
鈥?Up to 150mA Output Current
鈥?Positive and Negative Voltage Regulation
鈥?Regulation in Excess of 10A with Suitable Pass
Transistors
鈥?Input and Output Short-Circuit Protection
鈥?Load and Line Regulation . . . . . . . . . . . . . . . . . . . 0.03%
鈥?Direct Replacement for 723 and 723C Industry Types
鈥?Adjustable Output Voltage . . . . . . . . . . . . . . . 2V to 37V
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Series and Shunt Voltage Regulator
Floating Regulator
Switching Voltage Regulator
High-Current Voltage Regulator
Temperature Controller
Ordering Information
PART
CA723E
CA723T
CA723CE
CA723CT
TEMPERATURE
-55
o
C to +125
o
C
-55
o
C to +125
o
C
0
o
C to +70
o
C
0
o
C to +70
o
C
PACKAGE
14Lead Plastic DIP
10 Pin Metal Can
14 Lead Plastic DIP
10 Pin Metal Can
Pinouts
CA723 (PDIP)
TOP VIEW
NC 1
CURRENT 2
LIMIT
CURRENT 3
SENSE
INV 4
INPUT
NON-INV 5
INPUT
V
REF
6
14 NC
13 FREQ
COMP
12 V+ UNREG
INPUT
Functional Block Diagram
V+
TEMPERATURE-
COMPENSATED
ZENER
V
REF
FREQUENCY
UNREGULATED COMPENSATION
INPUT
-
ERROR
AMP
11 V
C
10 V
O
VOLT
REF
INVERTING
INPUT
V
C
+
VOLT
REF
AMP
-
ERROR
AMP
+
SERIES PASS
TRANSISTOR
V
O
REGULATED
OUTPUT
V
Z
9 V
Z
8 NC
NON-INVERTING
INPUT
V- 7
CA723C (CAN)
TOP VIEW
CURRENT LIMIT
TAB
10
CURRENT
FREQ
9 COMP
SENSE 1
INV
INPUT
NON-INV
INPUT
2
+
ERROR
AMP
V-
CURRENT
LIMIT
CURRENT
SENSE
CURRENT
LIMITER
V+
8 UNREG
INPUT
7 V
C
6
5
-
3
VOLT
REF
V
REF
4
V
O
V-, (CASE INTERNALLY
CONNECTED TO TERM 5)
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures.
Copyright
漏
Harris Corporation 1994
File Number
788.3
7-3
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英文版
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Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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Voltage Regulators Adjustable from 2V to 37V at Output Curre...
INTERSIL [...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
HARRIS [Ha...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
HARRIS [Ha...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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Positive Adjustable Voltage Regulator
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Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
HARRIS [Ha...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
HARRIS [Ha...
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英文版
Positive Adjustable Voltage Regulator
ETC
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
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英文版
Voltage Regulators Adjustable from 2V to 37V at Output Curre...
HARRIS [Ha...
HARRIS
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