LM7812 Fairchild Semiconductor, LM7812 Datasheet - Page 10

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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 (LM7818)
Refer to the test circuits. -40°C < T
Notes:
15. Load and line regulation are specified at constant junction temperature. Changes in V
16. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Regload Load Regulation
Regline Line Regulation
∆V
V
DROP
be taken into account separately. Pulse testing with low duty is used.
∆I
RR
I
I
V
V
r
I
O
SC
PK
Q
O
O
N
Q
/∆T
Output Voltage
Quiescent Current
Quiescent Current Change I
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Parameter
(16)
(15)
(16)
(15)
(16)
(16)
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
= 21V to 33V
= 21V to 33V
= 35V, T
= 5mA to 1A
= 5mA
= 1A, T
= +25°C
= +25°C V
= +25°C I
= +25°C
= +25°C
O
= 500mA, V
O
≤ 1A, P
J
A
(Continued)
= +25°C
Conditions
I
= +25°C
V
I
= 22V to 32V
O
O
I
I
= 21V to 33V
= 24V to 30V
= 5mA to 1.5A
= 250mA to 750mA
O
10
I
≤ 15W,
= 27V, C
A
= +25°C
I
= 0.33µF, C
O
Min.
17.3
17.1
53.0
= 0.1µF, unless otherwise specified.
O
Typ.
18.0
18.0
15.0
15.0
69.0
22.0
due to heating effects must
-1.0
110
250
5.2
2.0
2.2
5.0
5.0
Max.
18.7
18.9
360
180
360
180
8.0
0.5
1.0
www.fairchildsemi.com
mV/°C
µV/V
Unit
mΩ
mV
mV
mA
mA
mA
dB
V
V
A
O

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