CA723E Intersil Corporation, CA723E Datasheet

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CA723E

Manufacturer Part Number
CA723E
Description
Manufacturer
Intersil Corporation
Datasheet

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Voltage Regulators Adjustable from 2V to
37V at Output Currents Up to 150mA
without External Pass Transistors
The CA723 and CA723C are silicon monolithic integrated
circuits designed for service as voltage regulators at output
voltages ranging from 2V to 37V at currents up to 150mA.
Each type includes a temperature-compensated reference
amplifier, an error amplifier, a power series pass transistor,
and a current-limiting circuit. They also provide
independently accessible inputs for adjustable current
limiting and remote shutdown and, in addition, feature low
standby current drain, low temperature drift, and high ripple
rejection.
The CA723 and CA723C may be used with positive and
negative power supplies in a wide variety of series, shunt,
switching, and floating regulator applications. They can
provide regulation at load currents greater than 150mA and
in excess of 10A with the use of suitable NPN or PNP
external pass transistors.
Ordering Information
CA0723E
CA0723T
CA0723CE
NUMBER
PART
TEMP. RANGE
-55 to 125
-55 to 125
0 to 70
(
o
C)
3-3
14 Ld PDIP
10 Pin Can
14 Ld PDIP
PACKAGE
Data Sheet
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
E14.3
T10.C
E14.3
PKG. NO.
http://www.intersil.com or 407-727-9207
Features
• Up to 150mA Output Current
• Positive and Negative Voltage Regulation
• Regulation in Excess of 10A with Suitable Pass
• Input and Output Short-Circuit Protection
• Load and Line Regulation . . . . . . . . . . . . . . . . . . . .0.03%
• Direct Replacement for 723 and 723C Industry Types
• Adjustable Output Voltage . . . . . . . . . . . . . . . . . 2V to 37V
Applications
• Series and Shunt Voltage Regulator
• Floating Regulator
• Switching Voltage Regulator
• High-Current Voltage Regulator
• Temperature Controller
Pinouts
Transistors
NON-INV
CURRENT
CURRENT
NON-INV
INPUT
INPUT
SENSE
INPUT
INPUT
CURRENT
April 1999
LIMIT
V
INV
REF
INV
SENSE
NC
V-
V
REF
3
2
1
2
3
4
5
6
7
+
ERROR
AMP
-
ERROR
AMP
4
+
1
-
CA723C (CAN)
CA723 (PDIP)
CURRENT LIMIT
TOP VIEW
TOP VIEW
VOLT
VOLT
REF
REF
CA723, CA723C
|
10
5
Copyright
V-, (CASE INTERNALLY
CONNECTED TO TERM 5)
File Number 788.4
TAB
6
9
14
12
11
13
10
©
9
8
FREQ
COMP
V
8
O
Intersil Corporation 1999
7 V
NC
FREQ
COMP
V+ UNREG
INPUT
V
V
V
NC
C
O
Z
V+
UNREG
INPUT
C

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CA723E Summary of contents

Page 1

... CA723 (PDIP) TOP VIEW FREQ 2 13 COMP V+ UNREG 3 12 INPUT ERROR AMP + VOLT REF CA723C (CAN) TOP VIEW CURRENT LIMIT TAB 10 FREQ 1 9 COMP UNREG + INPUT ERROR AMP - VOLT REF 4 6 REF V-, (CASE INTERNALLY CONNECTED TO TERM 5) © | Copyright Intersil Corporation 1999 ...

Page 2

Functional Block Diagram TEMPERATURE- COMPENSATED ZENER V+ UNREGULATED R1 R3 INPUT 500 25k 6.2V R2 15k Q1 Q6 FIGURE 1. EQUIVALENT SCHEMATIC DIAGRAM OF THE CA723 AND CA723C 3-4 CA723, CA723C FREQUENCY V+ UNREGULATED COMPENSATION INPUT INVERTING ...

Page 3

... LIM 3-5 CA723, CA723C Thermal Information Thermal Resistance (Typical, Note 1) PDIP Package . . . . . . . . . . . . . . . . . . . Metal Can Device Dissipation CA723T CA723E, CA723CE CA723T, Above T CA723E, CA723CE, Above T Maximum Storage Temperature Range . . . . . . . . . . -65 Maximum Lead Temperature, During Soldering . . . . . . . . . . 265 At a distance 1/16” for 10s Max o ...

Page 4

DC Electrical Specifications T Unless Otherwise Specified. Divider impedance R Terminal 5 = 10k . (Figure 20) (Continued) PARAMETER Equivalent Noise RMS Output Voltage (Note 3) NOTES: 2. Line and load regulation specifications are given for condition of ...

Page 5

Typical Performance Curves (CA723) 1.2 1.0 0.8 0.6 0.4 0 OUTPUT CURRENT (mA) FIGURE 6. CURRENT LIMITING CHARACTERISTICS MAX. JUNCTION TEMP. (T THERMAL RESISTANCE = 150 150 QUIESCENT DISSIPATION (P TO-5 STYLE PACKAGE WITH ...

Page 6

Typical Performance Curves (CA723) 1.2 AMBIENT TEMPERATURE ( 1.0 0.8 0.6 0.4 0 OUTPUT CURRENT (mA) FIGURE 12. CURRENT LIMITING CHARACTERISTICS Typical Performance Curves (CA723 and CA723C) ...

Page 7

Typical Performance Curves (CA723 and CA723C) 6 INPUT VOLTAGE ( OUTPUT VOLTAGE (V 0 INPUT VOLTAGE ( 12V I OUTPUT VOLTAGE ( LOAD CURRENT ( 1mA L -2 ...

Page 8

Typical Application Circuits REF CURRENT LIMIT CURRENT SENSE INV. NON INPUT 1 INV COMP INPUT C 1 100pF Circuit Performance Data: Line Regulation ( ...

Page 9

... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out 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 ...

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