LM7805AT [TAITRON]
1A Positive Voltage Regulator; 1A正电压稳压器
| 型号： | LM7805AT |
| 厂家： | 
TAITRON COMPONENTS INCORPORATED |
| 描述： | 1A Positive Voltage Regulator |
| 文件： | 总15页 (文件大小：443K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1A Positive
Voltage Regulator
LM78xxAT
1A Positive Voltage Regulator
General Description
• The TCI LM78xxAT family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that
required supply current up to 1A.
TO-220
• The LM78xxAT is available in TO-220 package.
.
Features
Applications
• Output Current up to 1A
• High Efficiency Linear Regulator
• Fixed Output Voltage of 5V, 8V, 9V,
12V,15V, 18V Available
• Post Regulation for Switching Supply
• Microprocessor Power Supply
• Mother Board
• Thermal Overload Shutdown Protection
• Short Circuit Current Limiting
• Output Transistor SOA Protection
• RoHS Compliance
Ordering Information
Rev. A/AH 2008-06-18
Page 1 of 15
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Tel:
(800)-TAITRON (800)-824-8766 (661)-257-6060
(800)-TAITFAX (800)-824-8329 (661)-257-6415
Fax:
1A Positive Voltage Regulator
LM78xxAT
Marking Information
Temperature
Outline
PN
Marking Code
AS7805AT-E1
AS7808AT-E1
AS7809AT-E1
AS7812AT-E1
AS7815AT-E1
AS7818AT-E1
Package Type
Range
LM7805AT
LM7808AT
LM7809AT
LM7812AT
LM7815AT
LM7818AT
TO-220
-40 to 125°C
Tube
Packing Information
Tubes/Inner
Box
Inner Boxes
/Outer Box
Package Type
Units/Tube
50
Units/Inner Box
TO-220
20
1000
5
Pin Configuration
Outline: TO-220
Rev. A/AH 2008-06-18
Page 2 of 15
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1A Positive Voltage Regulator
LM78xxAT
Functional Block Diagram
Rev. A/AH 2008-06-18
Page 3 of 15
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1A Positive Voltage Regulator
LM78xxAT
Absolute Maximum Ratings (Note 1)
Symbol
Description
Input Voltage
Ratings
Unit
V
VIN
IOUT
TLEAD
PD
36
Output Current
1
A
Lead Temperature (Soldering 10sec)
Power Dissipation
260
Internally Limited
150
° C
W
TJ
Junction Temperature
Storage Temperature Range
Thermal Resistance
° C
° C
° C/ W
V
TSTG
θJA
-65 to 150
60
ESD
ESD
ESD (Human Body Model)
ESD (Machine Model)
6000
500
V
Note: 1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. These are stress ratings only, and functional operation of the device at
these or any other conditions beyond those indicated under “Recommended Operating Conditions”
is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device
reliability.
Recommended Operating Conditions
Ratings
Symbol
Description
Unit
Min.
Max.
LM7805AT
LM7808AT
LM7809AT
LM7812AT
LM7815AT
LM7818AT
-
25
-
28
29
-
VIN
Input Voltage
V
-
-
32
32
-
32
TJ
Operating Junction Temperature Range
-40
125
° C
Rev. A/AH 2008-06-18
Page 4 of 15
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1A Positive Voltage Regulator
LM78xxAT
Electrical Characteristics
For LM7805AT (VIN=10V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7805AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
4.9
5.0
5.1
TJ=25° C
VOUT
Output Voltage
V
VIN=7.5V to 20V,
IOUT=5mA to 1A, PD≤15W
4.8
-
-
5.2
50
VIN=7.5V to 20V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
25
mV
VIN=10V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
-
20
50
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.2
0.3
0.08
70
6.0
VIN=10V, IOUT=0
VIN=8V to 25V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=8V to 18V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
10
0.05
2.2
0.4
80
A
VIN=35V, TA=25° C
VIN=10V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 5 of 15
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1A Positive Voltage Regulator
LM78xxAT
For LM7808AT (VIN=14V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7808AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
7.84
8
-
8.16
TJ=25° C
VOUT
Output Voltage
V
VIN=10.6V to 23V,
IOUT=5mA to 1A, PD≤15W
7.7
-
8.3
75
VIN=10.6V to 23V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
25
25
mV
VIN=14V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
-
75
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.2
0.3
0.08
62
6.0
VIN=14V, IOUT=0
VIN=10.6V to 23V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=11.5V to 21.5V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
10
0.2
2.2
0.64
80
A
VIN=35V, TA=25° C
VIN=14V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 6 of 15
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1A Positive Voltage Regulator
LM78xxAT
For LM7809AT (VIN=15V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7809AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
8.82
9
-
9.18
TJ=25° C
VOUT
Output Voltage
V
VIN=11.5V to 23V,
IOUT=5mA to 1A, PD≤15W
8.65
-
9.35
90
VIN=11.5V to 23V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
25
25
mV
VIN=14V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
-
100
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.2
0.3
0.08
61
6.0
VIN=15V, IOUT=0
VIN=11.5V to 23V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=11.5V to 21.5V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
10
0.2
2.2
0.72
80
A
VIN=35V, TA=25° C
VIN=15V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 7 of 15
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1A Positive Voltage Regulator
LM78xxAT
For LM7812AT (VIN=19V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7812AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
11.75
11.5
12
-
12.25
TJ=25° C
VOUT
Output Voltage
V
VIN=14.8V to 27V,
IOUT=5mA to 1A, PD≤15W
12.5
120
VIN=14.8V to 27V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
-
-
25
40
mV
VIN=19V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
120
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.4
0.3
0.08
60
6.0
VIN=19V, IOUT=0
VIN=14.8V to 30V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=15V to 25V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
11
0.2
2.2
0.96
80
A
VIN=35V, TA=25° C
VIN=18V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 8 of 15
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1A Positive Voltage Regulator
LM78xxAT
For LM7815AT (VIN=23V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7815AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
14.7
15
-
15.3
TJ=25° C
VOUT
Output Voltage
V
VIN=17.9V to 30V,
IOUT=5mA to 1A, PD≤15W
14.4
-
15.6
150
VIN=17.9V to 30V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
35
70
mV
VIN=23V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
-
150
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.4
0.3
0.08
58
6.0
VIN=23V, IOUT=0
VIN=17.9V to 30V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=18.5V to 28.5V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
11
0.2
2.2
1.2
80
A
VIN=35V, TA=25° C
VIN=21V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 9 of 15
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1A Positive Voltage Regulator
LM78xxAT
For LM7818AT (VIN=27V, IOUT=1A, TJ=-40 to 125° C, unless otherwise specified)
LM7818AT
Symbol
Description
Unit
Test Conditions
Min.
Typ.
Max.
17.64
17.3
18
-
18.36
TJ=25° C
VOUT
Output Voltage
V
VIN=21V to 33V,
IOUT=5mA to 1A, PD≤15W
18.7
180
VIN=21V to 33V, IOUT=500mA,
TJ=25° C
VRLINE
Line Regulation
-
-
45
85
mV
VIN=27V, IOUT=5mA to 1A,
TJ=25° C
VRLOAD
IQ
Load Regulation
180
mV
mA
mA
Quiescent Current
-
-
-
-
-
-
-
-
-
-
-
3.6
0.3
0.08
57
6.0
VIN=27V, IOUT=0
VIN=21V to 33V, IOUT=500mA,
TJ=25° C
0.8
Quiescent Current
Change
∆IQ
0.5
IOUT=5mA to 1A, TJ=25° C
VIN=22V to 32V, f=120Hz,
IOUT=500mA
PSRR
Ripple Rejection
-
-
-
-
-
-
-
-
dB
V
VDROP
Dropout Voltage
2.0
10
∆VOUT=1%, IOUT=1A, TJ=25° C
f=10Hz to 100kHz, TA=25° C
f=1kHz
NO
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
µV/VO
mΩ
RO
ISC
11
0.2
2.2
1.44
80
A
VIN=35V, TA=25° C
VIN=24V, TJ=25° C
IPK
A
∆VOUT/∆T
(∆VOUT/∆VOUT)/∆T
mV/° C
ppm/° C
Output Voltage
Temperature Coefficient
Rev. A/AH 2008-06-18
Page 10 of 15
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1A Positive Voltage Regulator
LM78xxAT
Typical Characteristics Curves
Fig.1- Peak Output Current vs. Input/Output
Differential Voltage
Fig.2- Output Voltage vs. Junction Temperature
VIN-VOUT (V)
Junction Temperature (°C)
Fig.3- Output Voltage vs. Output Current
Fig.4- Output Voltage vs. Input Voltage
Input Voltage (V)
Output Current (mA)
Rev. A/AH 2008-06-18
Page 11 of 15
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1A Positive Voltage Regulator
LM78xxAT
Typical Characteristics Curves (Continued)
Fig.5- Quiescent Current vs. Junction Temperature
Fig.6- Ripple Rejection vs. Frequency
Frequency (Hz)
Junction Temperature (°C)
Fig.7- Dropout Voltage vs. Junction Temperature
Fig.8- Power Dissipation vs. Junction Temperature
Junction Temperature (°C)
Junction Temperature (°C)
Rev. A/AH 2008-06-18
Page 12 of 15
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1A Positive Voltage Regulator
LM78xxAT
Typical Performance Characteristics
Fig.9- Line Transient
Fig.10- Load Transient
(Conditions: IOUT=500mA, COUT=0.1µF)
(Conditions: VIN=10V, CIN=0.33µF, COUT=0.1µF)
Time (40µs/Div)
Time (100µs/Div)
Typical Application
Rev. A/AH 2008-06-18
Page 13 of 15
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1A Positive Voltage Regulator
LM78xxAT
Dimensions in mm (inches)
TO-220
Rev. A/AH 2008-06-18
Page 14 of 15
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1A Positive Voltage Regulator
LM78xxAT
How to contact us:
US HEADQUARTERS
28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162
Tel: (800) TAITRON (800) 824-8766 (661) 257-6060
Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415
Email: taitron@taitroncomponents.com
Http://www.taitroncomponents.com
TAITRON COMPONENTS MEXICO, S.A .DE C.V.
BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P.
42970 MEXICO
Tel: +52-55-5560-1519
Fax: +52-55-5560-2190
TAITRON COMPONETS INCORPORATED E REPRESENTAÇÕES DO BRASIL LTDA
RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL
Tel: +55-11-5574-7949
Fax: +55-11-5572-0052
TAITRON COMPONETS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE
METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA
Tel: +86-21-5424-9942
Fax: +86-21-5424-9931
Rev. A/AH 2008-06-18
Page 15 of 15
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