Electrical Characteristics (LM7809)
(Refer to the test circuits. 40 C
T
125 C, I = 500mA, V = 15V, C = 0.33 F, C = 0.1 F, unless otherwise specified)
J
O
I
I
O
Parameter
Symbol
Conditions
Min
8.65
8.6
–
Typ
9.0
9.0
6.0
2.0
12.0
4.0
5.0
–
Max
9.35
9.4
180
90.0
180
90.0
8.0
0.5
1.3
–
Unit
Output Voltage
V
T
=
J
25 C
O
V
5mA
I
1A, P
15W, V = 11.5V to 24V
I
O
O
Line Regulation
(Note 8)
Regline
T
T
T
=
=
=
25 C
25 C
25 C
V = 11.5V to 25V
I
J
J
J
mV
V = 12V to 17V
–
I
Load Regulation
(Note 8)
Regload
I
I
= 5mA to 1.5mA
–
O
O
mV
mA
= 250mA to 750mA
–
Quiescent Current
Quiescent Current Change
I
–
Q
I
I
= 5mA to 1A
O
–
Q
mA
V = 11.5V to 26V
–
–
I
Output Voltage Drift (Note 9)
Output Noise Voltage
Ripple Rejection (Note 9)
Dropout Voltage
V
/
T
I
= 5mA
O
–
1.0
58.0
71.0
2.0
17.0
250
2.2
mV/ C
O
V
f = 10Hz to 100KHz, T
=
25 C
–
–
V/V
dB
V
N
A
O
RR
f = 120Hz, V = 13V to 23V
56.0
–
–
O
V
I
= 1A, T =
J
25 C
–
DROP
rO
O
Output Resistance (Note 9)
Short Circuit Current
f = 1KHz
V = 35V, T =
A
–
–
m
I
25 C
–
–
mA
A
SC
I
Peak Current (Note 9)
I
T
= 25 C
J
–
–
PK
Note 8: 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 9: These parameters, although guaranteed, are not 100% tested in production.
Electrical Characteristics (LM7810)
(Refer to the test circuits. 40 C
T
125 C, I = 500mA, V = 16V, C = 0.33 F, C = 0.1 F, unless otherwise specified)
J
O
I
I
O
Parameter
Symbol
Conditions
Min
9.6
9.5
–
Typ
10.0
10.0
10.0
3.0
Max
10.4
10.5
200
100
200
400
8.0
0.5
1.0
–
Unit
Output Voltage
V
T
=
J
25 C
O
V
5mA
I
1A, P
15W, V = 12.5V to 25V
I
O
O
Line Regulation
(Note 10)
Regline
T
T
T
=
=
=
25 C
25 C
25 C
V = 12.5V to 25V
I
J
J
J
mV
V = 13V to 25V
–
I
Load Regulation
(Note 10)
Regload
I
I
= 5mA to 1.5mA
–
12.0
4.0
O
O
mV
mA
= 250mA to 750mA
–
Quiescent Current
Quiescent Current Change
I
–
5.1
Q
I
I
= 5mA to 1A
O
–
–
Q
mA
V = 12.5V to 29V
–
–
I
Output Voltage Drift (Note 11)
Output Noise Voltage
V
/
T
I
= 5mA
O
–
1.0
mV/ C
O
V
f = 10Hz to 100KHz, T
=
25 C
–
58.0
71.0
2.0
–
V/V
dB
V
N
A
O
Ripple Rejection (Note 11)
Dropout Voltage
RR
f = 120Hz, V = 13V to 23V
56.0
–
–
O
V
I
= 1A, T =
J
25 C
–
DROP
rO
O
Output Resistance (Note 11)
Short Circuit Current
f = 1KHz
V = 35V, T =
A
–
17.0
250
2.2
–
m
I
25 C
–
–
mA
A
SC
I
Peak Current (Note 11)
I
T
= 25 C
J
–
–
PK
Note 10: 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 11: These parameters, although guaranteed, are not 100% tested in production.
5
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