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PDF CA0723C Data sheet ( Hoja de datos )
| Número de pieza | CA0723C | |
| Descripción | Voltage Regulators Adjustable | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
CA723, CA723C
April 1999
File Number 788.4
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
PART
NUMBER
CA0723E
CA0723T
CA0723CE
TEMP. RANGE
(oC)
PACKAGE
-55 to 125 14 Ld PDIP
-55 to 125 10 Pin Can
0 to 70
14 Ld PDIP
PKG. NO.
E14.3
T10.C
E14.3
Features
• Up to 150mA Output Current
• Positive and Negative Voltage Regulation
• Regulation in Excess of 10A with Suitable Pass
Transistors
• 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
CA723 (PDIP)
TOP VIEW
NC 1
CURRENT
LIMIT
2
CURRENT
SENSE
3
INV
INPUT
4
NON-INV
INPUT
5
-
ERROR
AMP
+
VREF 6
VOLT
REF
V- 7
14 NC
13 FREQ
COMP
12
V+ UNREG
INPUT
11 VC
10 VO
9 VZ
8 NC
CA723C (CAN)
TOP VIEW
CURRENT
SENSE
CURRENT LIMIT
TAB
10
1
9
FREQ
COMP
INV
INPUT 2
NON-INV
INPUT
3
+
ERROR
A- MP
VOLT
REF
V+
8 UNREG
INPUT
7 VC
VREF 4
5 6 VO
V-, (CASE INTERNALLY
CONNECTED TO TERM 5)
3-3 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
1 page  
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CA723, CA723C
Typical Performance Curves (CA723) (Continued)
1.2
1.0
0.8
0.6
0.4
0.2
0
0
20 40 60 80 100
OUTPUT CURRENT (mA)
FIGURE 6. CURRENT LIMITING CHARACTERISTICS
OUTPUT VOLTAGE (VO) = REFERENCE
VOLTAGE (VREF)
LOAD CIRCUIT (IL) = 0
5
4
3 AMBIENT TEMPERATURE (TA) = -55oC
25oC
2
125oC
1
0
0 10 20 30 40
INPUT VOLTAGE (V)
FIGURE 7. QUIESCENT CURRENT vs INPUT VOLTAGE
150 MTHAEXR. MJUANLCRTEIOSNISTTEAMNCP.E(T=J1)5=01o5C0/WoC
QUIESCENT DISSIPATION (PQ) = 60mW
TO-5 STYLE PACKAGE WITH NO HEAT SINK
100
AMBIENT TEMPERATURE (TA) = 25oC
50
70oC
0
0 10 20 30 40
DIFFERENTIAL INPUT - OUTPUT VOLTAGE (V)
FIGURE 8. MAX LOAD CURRENT vs DIFFERENTIAL INPUT-
OUTPUT VOLTAGE
OUTPUT VOLTAGE (VO) = 5V
INPUT VOLTAGE (VI) = 12V
SHORT CIRCUIT PROTECTION
RESISTANCE (RSCP) = 0
0 AMBIENT TEMPERATURE (TA) = 25oC
0oC
-0.1 70oC
-0.2
0 20 40 60 80 100
OUTPUT CURRENT (mA)
FIGURE 10. LOAD REGULATION WITHOUT CURRENT
LIMITING
3-7
150 MTHAEXR. MJUANLCRTEIOSNISTTEAMNCP.E(T=J1)2=51o2C5/WoC
QUIESCENT DISSIPATION (PQ) = 60mW
DUAL - IN - LINE PLASTIC PACKAGE
WITH NO HEAT SINK
100
AMBIENT TEMPERATURE (TA) = 25oC
50
70oC
0
0 10 20 30 40
DIFFERENTIAL INPUT - OUTPUT VOLTAGE (V)
FIGURE 9. MAX LOAD CURRENT vs DIFFERENTIAL INPUT-
OUTPUT VOLTAGE FOR CA723CE
OUTPUT VOLTAGE (VO) = 5V
INPUT VOLTAGE (VI) = 12V
SHORT CIRCUIT PROTECTION
RESISTANCE (RSCP) = 10Ω
0 AMBIENT TEMPERATURE (TA) = 25oC
0oC
-0.1
70oC
-0.2
0
10 20
OUTPUT CURRENT (mA)
30
FIGURE 11. LOAD REGULATION WITH CURRENT LIMITING
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet CA0723C.PDF ] | |
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