Electrical Characteristics (LM7812)
(Refer to the test circuits. 40 C
T
125 C, I = 500mA, V = 19V, C = 0.33 F, C = 0.1 F, unless otherwise specified)
J
O
I
I
O
Parameter
Symbol
Conditions
Min
11.5
11.4
–
Typ
12.0
12.0
10.0
3.0
Max
12.5
12.6
240
120
240
120
8.0
0.5
1.0
–
Unit
Output Voltage
V
T
=
J
25 C
O
V
5mA
I
1A, P
15W, V = 14.5V to 27V
I
O
O
Line Regulation
(Note 12)
Regline
T
T
T
=
=
=
25 C
25 C
25 C
V = 14.5V to 30V
I
J
J
J
mV
V = 16V to 22V
–
I
Load Regulation
(Note 12)
Regload
I
I
= 5mA to 1.5mA
–
11.0
5.0
O
O
mV
mA
= 250mA to 750mA
–
Quiescent Current
Quiescent Current Change
I
–
5.1
Q
I
I
= 5mA to 1A
O
–
0.1
Q
mA
V = 14.5V to 30V
–
0.5
I
Output Voltage Drift (Note 13)
Output Noise Voltage
V
/
T
I
= 5mA
O
–
1.0
mV/ C
O
V
f = 10Hz to 100KHz, T
=
25 C
–
76.0
71.0
2.0
–
V/V
dB
V
N
A
O
Ripple Rejection (Note 13)
Dropout Voltage
RR
f = 120Hz, V = 15V to 25V
55.0
–
–
I
V
I
= 1A, T =
J
25 C
–
DROP
rO
O
Output Resistance (Note 13)
Short Circuit Current
f = 1KHz
V = 35V, T =
A
–
18.0
230
2.2
–
m
I
25 C
–
–
mA
A
SC
I
Peak Current (Note 13)
I
T
= 25 C
J
–
–
PK
Note 12: Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account separately. Pulse testing with
O
low duty is used.
Note 13: These parameters, although guaranteed, are not 100% tested in production.
Electrical Characteristics (LM7815)
(Refer to the test circuits. 40 C
T
125 C, I = 500mA, V = 23V, C = 0.33 F, C = 0.1 F, unless otherwise specified)
J
O
I
I
O
Parameter
Symbol
Conditions
Min
Typ
15.0
15.0
11.0
3.0
Max
15.6
15.75
300
150
300
150
8.0
0.5
1.0
–
Unit
Output Voltage
V
T
=
J
25 C
14.4
O
V
5mA
I
1A, P
15W, V = 17.5V to 30V
14.25
O
O
I
Line Regulation
(Note 14)
Regline
T
T
T
=
=
=
25 C
25 C
25 C
V = 17.5V to 30V
–
–
J
J
J
I
mV
V = 20V to 26V
I
Load Regulation
(Note 14)
Regload
I
I
= 5mA to 1.5mA
–
12.0
4.0
O
O
mV
mA
= 250mA to 750mA
–
Quiescent Current
Quiescent Current Change
I
–
5.2
Q
I
I
= 5mA to 1A
O
–
–
Q
mA
V = 17.5V to 30V
–
–
I
Output Voltage Drift (Note 15)
Output Noise Voltage
V
/
T
I
= 5mA
O
–
1.0
mV/ C
O
V
f = 10Hz to 100KHz, T
=
25 C
–
90.0
70.0
2.0
–
V/V
dB
V
N
A
O
Ripple Rejection (Note 15)
Dropout Voltage
RR
f = 120Hz, V = 18.5V to 28.5V
54.0
–
–
I
V
I
= 1A, T =
J
25 C
–
DROP
rO
O
Output Resistance (Note 15)
Short Circuit Current
f = 1KHz
V = 35V, T =
A
–
19.0
250
2.2
–
m
I
25 C
–
–
mA
A
SC
I
Peak Current (Note 15)
I
T
= 25 C
J
–
–
PK
Note 14: Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account separately. Pulse testing with
O
low duty is used.
Note 15: These parameters, although guaranteed, are not 100% tested in production.
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