LM7808 Fairchild Semiconductor, LM7808 Datasheet - Page 8
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LM7808
Manufacturer Part Number
LM7808
Description
The LM78XX series of three terminal positive regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications
Manufacturer
Fairchild Semiconductor
Datasheet
1.LM7806A.pdf
(28 pages)
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LM78XX/LM78XXA Rev. 1.1
Electrical Characteristics (LM7812)
Refer to the test circuits. -40°C < T
Notes:
11. Load and line regulation are specified at constant junction temperature. Changes in V
12. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Regload
Regline
∆V
V
be taken into account separately. Pulse testing with low duty is used.
∆I
DROP
RR
I
V
V
I
I
O
r
SC
PK
Q
O
O
N
Q
/∆T
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change I
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Parameter
(12)
(11)
(11)
(12)
(12)
(12)
J
< 125°C, I
T
5mA ≤ I
V
T
T
T
V
I
f = 10Hz to 100kHz, T
f = 120Hz, V
I
f = 1kHz
V
T
O
O
O
J
J
J
J
J
I
I
I
= 14.5V to 27V
= 14.5V to 30V
= 35V, T
= 5mA to 1A
= 5mA
= 1A, T
= +25°C
= +25°C V
= +25°C I
= +25°C
= +25°C
O
= 500mA, V
O
(Continued)
≤ 1A, P
J
A
Conditions
= +25°C
I
= +25°C
V
I
= 15V to 25V
O
O
I
I
= 14.5V to 30V
= 16V to 22V
= 5mA to 1.5A
= 250mA to 750mA
I
8
O
= 19V, C
≤ 15W,
A
= +25°C
I
= 0.33µF, C
Min.
O
11.5
11.4
55.0
–
–
–
–
–
–
–
–
–
–
–
–
–
= 0.1µF, unless otherwise specified.
O
Typ.
12.0
12.0
10.0
11.0
76.0
71.0
18.0
due to heating effects must
-1.0
230
3.0
5.0
5.1
0.1
0.5
2.0
2.2
Max.
12.6
12.5
240
120
240
120
8.0
0.5
1.0
–
–
–
–
–
–
–
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mV/°C
µV/V
Unit
mΩ
mA
mV
mV
mA
mA
dB
V
V
A
O