LM7812 Fairchild Semiconductor, LM7812 Datasheet - Page 3

• 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

LM78XX/LM78XXA Rev. 1.1
Electrical Characteristics (LM7805)
Refer to the test circuits. -40°C < T
Notes:
1. Load and line regulation are specified at constant junction temperature. Changes in V
2. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Regload Load Regulation
Regline
∆ V
V
be taken into account separately. Pulse testing with low duty is used.
DROP
∆ I
RR
I
I
V
V
I
r
O
SC
PK
Q
O
O
N
Q
/ ∆ T
Output Voltage
Line 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
(2)
(1)
(1)
(2)
(2)
(2)
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
= 7V to 20V
= 5mA to 1A
= 7V to 25V
= 5mA
= 1A, T
= 35V, T
= +25°C
= +25°C
= +25°C
= +25°C
= +25°C
O
= 500mA, V
O
≤ 1A, P
J
A
= +25°C
Conditions
O
= +25°C
V
V
I
I
= 8V to 18V
O
O
O
I
= 8V to 12V
= 5mA to 1.5A
= 250mA to 750mA
O
= 7V to 25V
3
I
≤ 15W,
= 10V, C
A
= +25°C
I
= 0.1 µ F, unless otherwise specified.
Min.
4.75
62.0
4.8
–
–
–
–
–
–
–
–
–
–
–
–
–
O
due to heating effects must
Typ.
0.03
42.0
73.0
15.0
-0.8
230
5.0
5.0
4.0
1.6
9.0
4.0
5.0
0.3
2.0
2.2
Max.
5.25
50.0
50.0
100
100
5.2
8.0
0.5
1.3
–
–
–
–
–
–
–
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mV/°C
µ V/V
Unit
m Ω
mV
mV
mA
mA
mA
dB
V
V
A
O