LM7812 Fairchild Semiconductor, LM7812 Datasheet - Page 19

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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 (LM7818A)
Refer to the test circuits. 0°C < T
Notes:
33. Load and line regulation are specified at constant junction temperature. Changes in V
34. 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
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Parameter
(34)
(33)
(33)
(34)
(34)
J
(34)
< 125°C, I
I
V
V
V
T
T
I
I
V
V
I
f = 120Hz, I
V
f = 1kHz
T
T
T
I
f = 10Hz to 100kHz, T
I
V
O
O
O
O
O
O
J
I
I
I
J
J
J
I
I
I
I
J
O
= 5mA to 1A, P
= 21V to 33V
= 21V to 33V, I
= 21V to 33V
= 5mA to 1A
= 250mA to 750mA
= 5mA to 1A
= 12V to 33V, I
= 12V to 33V, T
= 5mA
= 22V to 32V
= 1A, T
= 35V, T
= +25°C
= +25°C
= +25°C, I
= +25°C
= +25°C
= 1A, V
J
Conditions
A
(Continued)
I
= +25°C
O
= 27V, C
= +25°C
O
= 500mA,
V
V
= 5mA to 1.5A
I
I
19
= 20.6V to 33V
= 24V to 30V
O
O
O
J
= 500mA
= 500mA
= +25°C
≤ 15W,
I
A
= 0.33µF, C
= +25°C
O
= 0.1µF, unless otherwise specified.
17.64
Min.
17.3
O
Typ.
18.0
18.0
15.0
15.0
10.0
57.0
19.0
15.0
15.0
due to heating effects must
-1.0
250
5.0
5.0
7.0
5.2
2.0
2.2
Max.
18.36
18.7
90.0
50.0
180
180
180
100
100
0.8
6.0
0.5
0.8
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Units
mV/°C
µV/V
mΩ
mV
mV
mA
mA
mA
dB
V
V
A
O

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