LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATORS
The LM78XX series of three-terminal positive regulators are available in
the TO-220/D-PAK package and with several fixed output voltages, making
them useful in a wide range of applications. Each type employs internal
current limiting, thermal shut-down and safe area protection, making it
essentially indestructible. If adequate heat sinking is provided, they can
deliver over 1A output current. Although designed primarily as fixed voltage
regulators, these devices can be used with external components to obtain
adjustable voltages and currents.
FEATURES
Output Current up to 1A
Output Voltages of 5, 6, 8, 9, 10, 11, 12, 15, 18, 24V
Thermal Overload Protection
Short Circuit Protection
Output Transistor SOA Protection
KA78XXCT
4%
KA78XXAT
2%
KA78XXIT
TO-220
-40 ~ +125
C
KA78XXR
KA78XXAR
2%
KA78XXIR
4%
D-PAK
-40 ~ +125
C
0 ~ +125
C
0 ~ +125
C
TO-220
D-PAK
1: Input 2: GND 3: Output
BLOCK DIAGRAM
1
ORDERING INFORMATION
Device
Operating Temperature
4%
Output Voltage
Tolerance
Packag
e
1999 Fairchild Semiconductor Corporation
Rev. B
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
ABSOLUTE MAXIMUM RATINGS
(T
A
= +25
C, unless otherwise specified)
LM7805/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
< T
J
< T
MAX
, I
O
= 500mA, V
I
= 10V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
*
Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects
must be taken into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Value
Unit
Input Voltage (for V
O
= 5V to 18V)
(for V
O
= 24V)
V
I
V
I
35
40
V
V
Thermal Resistance Junction-Cases
R
JC
5
C/W
Thermal Resistance Junction-Air
R
JA
65
C/W
Operating Temperature Range KA78XX/A/R/RA
KA78XXI/RI
T
OPR
0 ~ +125
-40 ~ +125
C
C
Storage Temperature Range
T
STG
-65 ~ +150
C
LM7805I
LM7805
Min Typ Max Min Typ Max
T
J
=+25
C
4.8
5.0
5.2
4.8
5.0
5.2
Output Voltage
V
O
5.0mA
I
O
1.0A, P
O
15W
V
I
= 7V to 20V
V
I
= 8V to 20V
4.75
5.0
5.25
4.75
5.0
5.25
V
V
O
= 7V to 25V
4.0
100
4.0
100
V
I
= 8V to 12V
1.6
50
1.6
50
I
O
= 5.0mA to1.5A
9
100
9
100
I
O
=250mA to 750mA
4
50
4
50
Quiescent Current
I
Q
T
J
=+25
C
5.0
8
5.0
8
mA
I
O
= 5mA to 1.0A
0.03
0.5
0.03
0.5
Quiescent Current Change
I
Q
V
I
= 7V to 25V
0.3
1.3
mA
V
I
= 8V to 25V
0.3
1.3
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-0.8
-0.8
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
42
42
V/Vo
Ripple
Rejection
RR
f = 120Hz
V
O
= 8 to 18V
62
73
62
73
dB
Dropout Voltage
V
O
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
15
15
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
230
230
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Characteristic
Symbol
Test Conditions
Unit
Line Regulation
V
O
V
O
Load Regulation
T
J
=+25
C
T
J
=+25
C
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7806/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
=500mA, V
I
= 11V C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7806I
LM7806
Min
Typ
Max
Min
Typ
Max
T
J
=+25
C
5.75
6.0
6.25
5.75
6.0
6.25
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 8.0V to 21V
V
I
= 9.0V to 21V
5.7
6.0
6.3
5.7
6.0
6.3
V
V
I
= 8V to 25V
5
120
5
120
V
I
= 9V to 13V
1.5
60
1.5
60
I
O
=5mA to 1.5A
9
120
9
120
I
O
=250mA to750A
3
60
3
60
Quiescent Current
I
Q
T
J
=+25
C
5.0
8
5.0
8
mA
I
O
= 5mA to 1A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 8V to 25V
1.3
mA
V
I
= 9V to 25V
1.3
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-0.8
-0.8
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
45
45
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 9V to 19V
59
75
59
75
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
D
f = 1KHz
19
19
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Line Regulation
Load Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
mV
mV
Characteristic
Symbol
Test Conditions
Unit
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7808/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test Circuit, T
MIN
<T
J
< T
MAX
, I
O
= 500mA, V
I
= 14V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7808I
LM7808
Min Typ
Max
Min
Typ
Max
T
J
=+25
C
7.7
8.0
8.3
7.7
8.0
8.3
Output Voltage
V
O
5.0mA
I
O
1.0A, P
O
15W
V
I
= 10.5V to 23V
V
I
= 11.5V to 23V
7.6
8.0
8.4
7.6
8.0
8.4
V
V
I
= 10.5V to 25V
5.0
160
5.0
160
V
I
= 11.5V to 17V
2.0
80
2.0
80
I
O
= 5.0mA to 1.5A
10
160
10
160
I
O
= 250mA to 750mA
5.0
80
5.0
80
Quiescent Current
I
Q
T
J
=+25
C
5.0
8
5.0
8
mA
I
O
= 5mA to 1.0A
0.05
0.5
0.05
0.5
Quiescent Current Change
I
Q
V
I
= 10.5A to 25V
0.5
1.0
mA
V
I
= 11.5V to 25V
0.5
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-0.8
-0.8
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
52
52
V/Vo
Ripple
Rejection
RR
f = 120Hz, V
I
= 11.5V to 21.5
56
73
56
73
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
17
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
230
230
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Characteristic
Symbol
Test Conditions
Unit
Line Regulation
Load Regulation
V
O
V
O
T
J
=+ 25
C
T
J
= +25
C
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7809/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit. T
MIN
< T
J
<T
MAX
, I
O
= 500mA, V
I
= 15V, C
I
= 0.33
F, C
O
= 0.1
F. unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7809I
LM7809
Min Typ Max Min Typ Max
T
J
=+25
C
8.65
9
9.35 8.65
9
9.35
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 11.5V to 24V
V
I
= 12.5V to 24V
8.6
9
9.4
8.6
9
9.4
V
V
I
= 11.5V to 25V
6
180
6
180
V
I
= 12V to 25v
2
90
2
90
I
O
= 5mA to 1.5A
12
180
12
180
I
O
= 250mA to 750mA
4
90
4
90
Quiescent Current
I
Q
T
J
=+25
C
5.0
8
5.0
8
mA
I
O
= 5mA to 1.0A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 11.5V to 26V
1.3
mA
V
I
= 12.5V to 26V
1.3
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
58
58
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 13V to 23V
56
71
56
71
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
17
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
= +25
C
2.2
2.2
A
Characteristic
Symbol
Test Conditions
Line Regulation
Load Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
mV
mV
Unit
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7810/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
= 500mA, V
I
=16V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7810I
LM7810
Min Typ
Max
Min Typ
Max
T
J
=+25
C
9.6
10
10.4
9.6
10
10.4
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 12.5V to 25V
V
I
= 13.5V to 25V
9.5
10
10.5
9.5
10
10.5
V
V
I
= 12.5V to 25V
10
200
10
200
V
I
= 13V to 25V
3
100
3
100
I
O
= 5mA to 1.5A
12
200
12
200
I
O
= 250mA to 750mA
4
400
4
400
Quiescent Current
I
Q
T
J
=+25
C
5.1
8
5.1
8
mA
I
O
= 5mA to 1.0A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 12.5V to 29V
1.0
mA
V
I
= 13.5V to 29V
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
58
58
V/Vo
Ripple
Rejection
RR
f = 120Hz
V
I
= 13V to 23V
56
71
56
71
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
17
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7811/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
= 500mA, V
I
=18V, C
I
=0.33
F, C
O
= 0.I
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7811I
LM7811
Min Typ
Max
Min Typ
Max
T
J
=+25
C
10.6
11
11.4
10.6
11
11.4
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 13.5V to 26V
V
I
= 14.5V to 26V
10.5
11
11.5
10.5
11
11.5
V
V
I
= 13.5V to 25V
10
220
10
220
V
I
= 14V to 21V
3.0
110
3
110
I
O
= 5.0mA to 1.5A
12
220
12
220
I
O
= 250mA to 750mA
4
110
4
110
Quiescent Current
I
Q
T
J
=+25
C
5.1
8
5.1
8
mA
I
O
= 5mA to 1.0A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 13.5V to 29V
1.0
mA
V
I
= 14.5V to 29V
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
70
70
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 14V to 24V
55
71
55
71
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
18
18
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7812/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
=500mA, V
I
=19V, C
I
= 0.33
F, C
O
= 0.1.
F, unless otherwise specified)
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7812I
LM7812
Min Typ
Max
Min Typ
Max
T
J
=+25
C
11.5
12
12.5
11.5
12
12.5
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 14.5V to 27V
V
I
= 15.5V to 27V
11.4
12
12.6
11.4
12
12.6
V
V
I
= 14.5V to 30V
10
240
10
240
V
I
= 16V to 22V
3.0
120
3.0
120
I
O
= 5mA to 1.5A
11
240
11
240
I
O
= 250mA to 750mA
5.0
120
5.0
120
Quiescent Current
I
Q
T
J
=+25
C
5.1
8
5.1
8
mA
I
O
= 5mA to 1.0A
0.1
0.5
0.1
0.5
Quiescent Current Change
I
Q
V
I
= 14.5V to 30V
0.5
1.0
mA
V
I
= 15V to 30V
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
0.5
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
76
76
mV/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 15V to 25V
55
71
55
71
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
18
18
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
230
230
mA
Peak Current
I
PK
T
J
= +25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7815/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
=500mA, V
I
=23V, C
I
=0.33
F, C
O
=0.1
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7815I
LM7815
Min Typ
Max
Min
Typ
Max
T
J
=+25
C
14.4
15
15.6
14.4
15
15.6
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 17.5V to 30V
V
I
= 18.5V to 30V
14.2
5
15
15.75 14.25
15
15.75
V
V
I
= 17.5V to 30V
11
300
11
300
V
I
= 20V to 26V
3
150
3
150
I
O
= 5mA to 1.5A
12
300
12
300
I
O
= 250mA to 750mA
4
150
4
150
Quiescent Current
I
Q
T
J
=+25
C
5.2
8
5.2
8
mA
I
O
= 5mA to 1.0A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 17.5V to 30V
1.0
mA
V
I
= 18.5V to 30V
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
90
90
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 18.5V to 28.5V
54
70
54
70
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
19
19
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7818/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
=500mA, V
I
=27V, C
I
=0.33
F, C
O
=0.1
F,
unless otherwise specified
)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7818I
LM7818
Min Typ
Max
Min Typ
Max
T
J
=+25
C
17.3
18
18.7
17.3
18
18.7
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 21V to 33V
V
I
= 22V to 33V
17.1
18
18.9
17.1
18
18.9
V
V
I
= 21V to 33V
15
360
15
360
V
I
= 24V to 30V
5
180
5
180
I
O
= 5mA to 1.5A
15
360
15
360
I
O
= 250mA to 750mA
5.0
180
5.0
180
Quiescent Current
I
Q
T
J
=+25
C
5.2
8
5.2
8
mA
I
O
= 5mA to 1.0A
0.5
0.5
Quiescent Current Change
I
Q
V
I
= 21V to 33V
1
mA
V
I
= 22V to 33V
1.0
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1
-1
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100Khz, T
A
=+25
C
110
110
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 22V to 32V
53
69
53
69
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
22
22
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7824/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, T
MIN
<T
J
<T
MAX
, I
O
= 500mA, V
I
= 33V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
*
T
MIN
<T
J
<T
MAX
LM78XXI/RI: T
MIN
= - 40
C, T
MAX
= +125
C
LM78XX/R: T
MIN
= 0
C, T
MAX
= +125
C
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7824I
LM7824
Min Typ
Max
Min Typ
Max
T
J
=+25
C
23
24
25
23
24
25
Output Voltage
V
O
5.0mA
I
O
1.0A, P
D
15W
V
I
= 27V to 38V
V
I
= 28V to 38V
22.8
24
25.2
22.8
24
25.25
V
V
I
= 27V to 38V
17
480
17
480
V
I
= 30V to 36V
6
240
6
240
I
O
= 5mA to 1.5A
15
480
15
480
I
O
= 250mA to 750mA
5.0
240
5.0
240
Quiescent Current
I
Q
T
J
=+25
C
5.2
8
5.2
8
mA
I
O
= 5mA to 1.0A
0.1
0.5
0.1
0.5
Quiescent Current Change
I
Q
V
I
= 27V to 38V
0.5
1
mA
V
I
= 28V to 38V
0.5
1
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.5
-1.5
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz, T
A
=+25
C
160
60
V/V
O
Ripple
Rejection
RR
f = 120Hz
V
I
= 28V to 38V
50
67
50
67
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
2
V
Output Resistance
R
O
f = 1KHz
28
28
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
230
230
mA
Peak Current
I
PK
T
J
=+25
C
2.2
2.2
A
Unit
Line Regulation
V
O
V
O
T
J
=+25
C
T
J
=+25
C
Load Regulation
Characteristic
Symbol
Test Conditions
mV
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7805A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +I25
C, I
O
= 1A, V
I
= 10V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
*Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
4.9
5
5.1
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
5W
V
I
= 7.5 to 20V
4.8
5
5.2
V
V
I
= 7.5 to 25V
I
O
= 500mA
5
50
Line Regulation
V
O
V
I
= 8V to 12V
3
50
V
V
I
= 7.3V to 25V
5
50
V
I
= 8V to 12V
1.5
25
T
J
=+25
C
I
O
= 5mA to 1.5A
9
100
I
O
= 5mA to 1A
9
100
I
O
= 250 to 750mA
4
50
Quiescent Current
I
Q
T
J
=+25
C
5.0
6
mA
I
O
= 5mA to 1A
0.5
Quiescent Current Change
I
Q
V
I
= 8 V to 25V, I
O
= 500mA
0.8
mA
V
I
= 7.5V to 20V, T
J
=+25
C
0.8
Output Voltage Drift
-0.8
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 8V to 18V
68
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
V
Output Resistance
R
O
f = 1KHz
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
= +25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/
T
I
O
= 5mA
V/V
O
V
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7806A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to+150
C, I
O
= 1A, V
I
= 11V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
5.58
6
6.12
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 8.6 to 21V
5.76
6
6.24
V
V
I
= 8.6 to 25V
I
O
= 500mA
5
60
Line Regulation
V
O
V
I
= 9V to 13V
3
60
mV
V
I
= 8.3V to 21V
5
60
V
I
= 9V to 13V
1.5
30
T
J
=+25
C
I
O
= 5mA to 1.5A
9
100
I
O
= 5mA to 1A
4
100
I
O
= 250 to 750mA
5.0
50
Quiescent Current
I
Q
T
J
=+25
C
4.3
6
mA
I
O
= 5mA to 1A
0.5
Quiescent Current Change
I
Q
V
I
= 9V to 25V, I
O
= 500mA
0.8
mA
V
I
= 8.5V to 21V, T
J
=+25
C
0.8
Output Voltage Drift
I
O
= 5mA
-0.8
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
V/V
O
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 9V to 19V
65
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
V
Output Resistance
R
O
f = 1KHz
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/
T
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7808A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to+150
C, I
O
= 1A, V
I
= 14V, C
I
= 0.33
F, C
O
=0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
7.84
8
8.16
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 8.6 to 21V
7.7
8
8.3
V
V
I
= 10.6 to 25V
I
O
= 500mA
6
80
Line Regulation
V
O
V
I
= 11to 17V
3
80
mV
V
I
= 10.4V to 23V
6
80
V
I
= 11V to 17V
2
40
T
J
=+25
C
I
O
= 5mA to 1.5A
12
100
I
O
= 5mA to 1A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.0
6
mA
I
O
= 5mA to 1A
0.5
Quiescent Current Change
I
Q
V
I
= 11V to 25V, I
O
= 500mA
0.8
mA
V
I
= 10.6V to 23V, T
J
=+25
C
0.8
Output Voltage Drift
I
O
= 5mA
-0.8
mV /
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
V/V
O
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 11.5V to 21.5V
62
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2
V
Output Resistance
R
O
f = 1KHz
18
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/
T
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7809A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +125
C, I
O
= 1A, V
I
= 15V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
8.82
9.0
9.18
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 11.2 to 24V
8.65
9.0
9.35
V
V
I
= 11.7 to 25V
I
O
= 500mA
6
90
Line Regulation
V
O
V
I
= 12.5 to 19V
4
45
mV
V
I
= 11.5V to 24V
6
90
V
I
= 12.5V to 19V
2
45
T
J
=+25
C
I
O
= 5mA to 1.0A
12
100
I
O
= 5mA to 1.0A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.0
6.0
mA
V
I
= 11.7V to 25V, T
J
=+25
C
0.8
Quiescent Current Change
I
Q
V
I
= 12V to 25V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.5
Output Voltage Drift
I
O
= 5mA
-1.0
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 12V to 22V
62
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/
T
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7810A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to+125
C, I
O
= 1A, V
I
= 16V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
9.8
10
10.2
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
=12.8 to 25V
9.6
10
10.4
V
V
I
= 12.8 to 26V
I
O
= 500mA
8
100
Line Regulation
V
O
V
I
= 13to 20V
4
50
mV
V
I
= 12.5V to 25V
8
100
V
I
= 13V to 20V
3
50
T
J
=+25
C
I
O
= 5mA to 1.5A
12
100
I
O
= 5mA to 1.0A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.0
6.0
mA
V
I
= 13V to 26V, T
J
=+25
C
0.5
Quiescent Current Change
I
Q
V
I
= 12.8V to 25V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.5
Output Voltage Drift
I
O
= 5mA
-1.0
mV
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 14V to 24V
62
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
17
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/
T
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7811A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +125
C, I
O
= 1A, V
I
= 18V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
10.8
11.0
11.2
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 13.8 to 26V
10.6
11.0
11.4
V
V
I
= 12.8 to 26V
I
O
= 500mA
10
110
Line Regulation
V
O
V
I
= 15 to 21V
4
55
mV
V
I
= 13.5V to 26V
10
110
V
I
= 15V to 21V
3
55
T
J
=+25
C
I
O
= 5mA to 1.5A
12
100
I
O
= 5mA to 1.0A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.1
6.0
mA
V
I
= 13.8V to 26V, T
J
=+25
C
0.8
Quiescent Current Change
I
Q
V
I
= 14V to 27V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.5
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.0
mV /
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 14V to 24V
61
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
18
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7812A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +125
C, I
O
= 1A, V
I
= 19V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
11.75
12
12.25
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 14.8 to 27V
11.5
12
12.5
V
V
I
= 14.8 to 30V
I
O
= 500mA
10
120
Line Regulation
V
O
V
I
= 16 to 22V
4
120
mV
V
I
= 14.5V to 27V
10
120
V
I
= 16V to 22V
3
60
T
J
=+25
C
I
O
= 5mA to 1.5A
12
100
I
O
= 5mA to 1.0A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.1
6.0
mA
V
I
= 15V to 30V, T
J
=+25
C
0.5
Quiescent Current Change
I
Q
V
I
= 14V to 27V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.8
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.0
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 14V to 24V
60
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
18
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
mV
V/V
O
T
J
=+25
C
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7815A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +150
C, I
O
=1A, V
I
=23V, C
I
= 0.33
F, C
O
=0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
14.7
15
15.3
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 17.7 to 30V
14.4
15
15.6
V
V
I
= 17.9 to 30V
I
O
= 500mA
10
150
Line Regulation
V
O
V
I
= 20 to 26V
5
150
mV
V
I
= 17.5V to 30V
11
150
V
I
= 20V to 26V
3
75
T
J
=+25
C
I
O
= 5mA to 1.5A
12
100
I
O
= 5mA to 1.0A
12
100
I
O
= 250 to 750mA
5
50
Quiescent Current
I
Q
T
J
=+25
C
5.2
6.0
mA
V
I
= 17.5V to 30V, T
J
=+25
C
0.5
Quiescent Current Change
I
Q
V
I
= 17.5V to 30V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.8
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.0
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 18.5V to 28.5V
58
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
19
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7818A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +150
C, I
O
=1A, V
I
= 27V, C
I
= 0.33
F, C
O
= 0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
17.64
18
18.36
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 21 to 33V
17.3
18
18.7
V
V
I
= 21 to 33V
I
O
= 500mA
15
180
Line Regulation
V
O
V
I
= 21 to 33V
5
180
mV
V
I
= 20.6V to 33V
15
180
V
I
= 24V to 30V
5
90
T
J
=+25
C
I
O
= 5mA to 1.5A
15
100
I
O
= 5mA to 1.0A
15
100
I
O
= 250 to 750mA
7
50
Quiescent Current
I
Q
T
J
=+25
C
5.2
6.0
mA
V
I
= 21V to 33V, T
J
=+25
C
0.5
Quiescent Current Change
I
Q
V
I
= 21V to 33V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.8
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.0
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
=+25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 18.5V to 28.5V
57
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
19
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
C
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7824A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. T
J
= 0 to +150
C, I
O
=1A, V
I
= 33V, C
I
= 0.33
F, C
O
=0.1
F, unless otherwise specified)
* Load and line regulation are specified at constant, junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
T
J
=+25
C
23.5
24
24.5
Output Voltage
V
O
I
O
= 5mA to 1A, P
D
15W
V
I
= 27.3 to 38V
23
24
25
V
V
I
= 27 to 38V
I
O
= 500mA
18
240
Line Regulation
V
O
V
I
= 21 to 33V
6
240
mV
V
I
= 26.7V to 38V
18
240
V
I
= 30V to 36V
6
120
T
J
=+25
C
I
O
= 5mA to 1.5A
15
100
I
O
= 5mA to 1.0A
15
100
I
O
= 250 to 750mA
7
50
Quiescent Current
I
Q
T
J
=+25
C
5.2
6.0
mA
V
I
= 27.3V to 38V, T
J
=+25
C
0.5
Quiescent Current Change
I
Q
V
I
= 27.3V to 38V, I
O
= 500mA
0.8
mA
I
O
= 5mA to 1.0A
0.8
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-1.5
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
T
A
= 25
C
10
Ripple Rejection
RR
f = 120Hz, I
O
= 500mA
V
I
= 18.5V to 28.5V
54
dB
Dropout Voltage
V
D
I
O
= 1A, T
J
=+25
C
2.0
V
Output Resistance
R
O
f = 1KHz
20
m
Short Circuit Current
I
SC
V
I
= 35V, T
A
=+25
C
250
mA
Peak Current
I
PK
T
J
=+25
C
2.2
A
Load Regulation
V
O
T
J
=+25
o
C
V/V
O
mV
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
TYPICAL PERFORMANCE CHARACTERISTICS
Fig. 1 Quiescent Current Fig. 2 Peak Output Current
Fig. 3 Output Voltage
Fig. 4 Quiescent Current
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
TYPICAL APPLICATIONS
Fig. 5 DC Parameters
Fig. 6 Load Regulation
Fig. 7 Ripple Rejection
TYPICAL APPLICATIONS (Continued)
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
Fig. 8 Fixed Output Regulator Fig. 9 Constant Current Regulator
Notes:
(1) To specify an output voltage. substitute voltage value for "XX."
A common ground is required between the input and the Output
voltage. The input voltage must remain typically 2.0V above the output
voltage even during the low point on the input ripple voltage.
(2) C
I
is required if regulator is located an appreciable distance from
power Supply filter.
(3) C
O
improves stability and transient response.
Fig. 10 Circuit for Increasing Output Voltage Fig. 11 Adjustable Output Regulator (7 to 30V)
I
RI
5 I
Q
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
TYPICAL APPLICATIONS (Continued)
Fig. 12 High Current Voltage Regulator Fig. 13 High Output Current with
Short Circuit Protection
Fig. 14 Tracking Voltage Regulator
Fig. 15 Split Power Supply (
15V-1A)
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
TYPICAL APPLICATIONS (Continued)
Fig. 16 Negative Output Voltage Circuit Fig. 17 switching Regulator
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
TRADEMARKS
ACExTM
CoolFETTM
CROSSVOLTTM
E
2
CMOS
TM
FACTTM
FACT Quiet SeriesTM
FAST
FASTrTM
GTOTM
HiSeCTM
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
LIFE SUPPORT POLICY
FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
ISOPLANARTM
MICROWIRETM
POPTM
PowerTrenchTM
QSTM
Quiet SeriesTM
SuperSOTTM-3
SuperSOTTM-6
SuperSOTTM-8
TinyLogicTM
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
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