LM7812 Fairchild Semiconductor, LM7812 Datasheet - Page 14

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LM7812

Manufacturer Part Number
LM7812
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

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LM78XX/LM78XXA Rev. 1.1
Electrical Characteristics (LM7808A)
Refer to the test circuits. 0°C < T
Notes:
23. Load and line regulation are specified at constant junction temperature. Changes in V
24. 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.
DROP
∆I
RR
I
I
V
V
r
I
O
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
(24)
(23)
(23)
(24)
(24)
(24)
J
< 125°C, I
T
I
V
V
V
T
T
I
I
T
V
V
I
f = 10Hz to 100kHz, T
f = 120Hz, I
V
I
f = 1kHz
V
T
O
O
O
O
O
O
J
J
J
J
J
I
I
I
I
I
I
I
O
= 10.6V to 23V
= 10.6V to 25V, I
= 11V to 17V
= 11V to 25V, I
= 10.6V to 23V, T
= 11.5V to 21.5V
= 35V, T
= 5mA to 1A, P
= 5mA to 1A
= 250mA to 750mA
= 5mA to 1A
= 5mA
= 1A, T
= +25°C
= +25°C
= +25°C, I
= +25°C
= +25°C
= 1A, V
J
A
Conditions
= +25°C
(Continued)
O
I
= +25°C
O
= 14V, C
= 500mA,
= 5mA to 1.5A
V
V
14
I
I
O
O
= 10.4V to 23V
= 11V to 17V
O
= 500mA
J
≤ 15W,
= 500mA
= +25°C
A
I
= 0.33µF, C
= +25°C
O
= 0.1µF, unless otherwise specified.
Min.
7.84
7.7
O
Typ.
12.0
10.0
62.0
18.0
12.0
-0.8
250
8.0
8.0
6.0
3.0
6.0
2.0
5.0
5.0
2.0
2.2
due to heating effects must
Max.
8.16
80.0
40.0
80.0
80.0
50.0
100
100
8.3
6.0
0.5
0.8
0.8
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mV/°C
µV/V
Unit
mΩ
mV
mV
mA
mA
mA
dB
V
V
A
O

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