LM7805 • LM7806 • LM7808 • LM7809 • LM7810 • LM7812 • LM7815 • LM7818 • LM7824 • LM7805A • LM7806A • LM7808A
•LM7809A • LM7810A • LM7812A • LM7815A • LM7818A • LM7824A
Electrical Characteristics (LM7818)
Parameter
Output Voltage
Symbol
V
O
T
J
=
25
q
C
(Refer to the test circuits.
40
q
C
T
J
125
q
C, I
O
= 500mA, V
I
= 27V, C
I
= 0.33
P
F, C
O
= 0.1
P
F, unless otherwise specified)
Conditions
Min
17.3
17.1
–
–
–
–
–
–
–
–
–
53.0
–
–
–
–
Typ
18.0
18.0
15.0
5.0
15.0
5.0
5.2
–
–
Max
18.7
V
18.9
360
mV
180
360
mV
180
8.0
0.5
mA
1.0
–
–
–
–
–
–
–
mV/
q
C
mA
Unit
5mA
d
I
O
d
1A, P
O
d
15W, V
I
= 21V to 33V
Line Regulation
(Note 12)
Load Regulation
(Note 12)
Quiescent Current
Quiescent Current Change
I
Q
T
J
=
25
q
C
I
O
= 5mA to 1A
V
I
= 21V to 33V
Output Voltage Drift (Note 17)
Output Noise Voltage
Ripple Rejection (Note 17)
Dropout Voltage
Output Resistance (Note 17)
Short Circuit Current
Peak Current (Note 17)
Regload
T
J
=
25
q
C
Regline
T
J
=
25
q
C
V
I
= 21V to 33V
V
I
= 24V to 30V
I
O
= 5mA to 1.5mA
I
O
= 250mA to 750mA
'
I
Q
'
V
O
/
'
T
V
N
RR
V
DROP
rO
I
SC
I
PK
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=
25
q
C
f = 120Hz, V
I
= 22V to 32V
I
O
= 1A, T
J
=
25
q
C
f = 1KHz
V
I
= 35V, T
A
=
25
q
C
T
J
=
25
q
C
1.0
110
69.0
2.0
22.0
250
2.2
P
V/V
O
dB
V
m
:
mA
A
Note 16:
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.
Note 17:
These parameters, although guaranteed, are not 100% tested in production.
Electrical Characteristics (LM7824)
Parameter
Output Voltage
Symbol
V
O
T
J
=
25
q
C
(Refer to the test circuits.
40
q
C
T
J
125
q
C, I
O
= 500mA, V
I
= 33V, C
I
= 0.33
P
F, C
O
= 0.1
P
F, unless otherwise specified)
Conditions
Min
23.0
22.8
–
–
–
–
–
–
–
–
–
50.0
–
–
–
–
Typ
24.0
24.0
17.0
6.0
15.0
5.0
5.2
0.1
0.5
Max
25.0
V
25.25
480
mV
240
480
mV
240
8.0
0.5
mA
1.0
–
–
–
–
–
–
–
mV/
q
C
mA
Unit
5mA
d
I
O
d
1A, P
O
d
15W, V
I
= 27V to 38V
Line Regulation
(Note 18)
Load Regulation
(Note 18)
Quiescent Current
Quiescent Current Change
I
Q
T
J
=
25
q
C
I
O
= 5mA to 1A
V
I
= 27V to 38V
Output Voltage Drift (Note 19)
Output Noise Voltage
Ripple Rejection (Note 19)
Dropout Voltage
Output Resistance (Note 19)
Short Circuit Current
Peak Current (Note 19)
Regload
T
J
=
25
q
C
Regline
T
J
=
25
q
C
V
I
= 27V to 38V
V
I
= 30V to 36V
I
O
= 5mA to 1.5mA
I
O
= 250mA to 750mA
'
I
Q
'
V
O
/
'
T
V
N
RR
V
DROP
rO
I
SC
I
PK
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=
25
q
C
f = 120Hz, V
I
= 28V to 38V
I
O
= 1A, T
J
=
25
q
C
f = 1KHz
V
I
= 35V, T
A
=
25
q
C
T
J
=
25
q
C
1.5
60.0
67.0
2.0
28.0
230
2.2
P
V/V
O
dB
V
m
:
mA
A
Note 18:
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.
Note 19:
These parameters, although guaranteed, are not 100% tested in production.
7
www.fairchildsemi.com
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
