MC7812E Fairchild Semiconductor, MC7812E Datasheet - Page 17

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MC7812E

Manufacturer Part Number
MC7812E
Description
The MC78XXE/LM78XXE/MC78XXAE series of three terminal positive regulators are available in the TO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications
Manufacturer
Fairchild Semiconductor
Datasheet
Electrical Characteristics (MC7824AE)
(Refer to the test circuits. 0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
2. These parameters, although guaranteed, are not 100% tested in production.
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift (Note2)
Output Noise Voltage
Ripple Rejection (Note2)
Dropout Voltage
Output Resistance (Note2)
Short Circuit Current
Peak Current (Note2)
into account separately. Pulse testing with low duty is used.
J
Regload
Symbol
Regline
V
< 125 C, I
V/ T
RR
I
I
V
V
Drop
r
I
SC
PK
Q
I
O
O
N
Q
T
I
V
V
V
T
T
I
I
T
V
V
I
I
f = 10Hz to 100kHz
T
f = 120Hz, I
V
I
f = 1kHz
V
T
o
O
O
O
O
O
O
J
J
J
J
A
J
I
I
I
I
I
I
I
=1A, V
= 27V to 38V, I
= 21V to 33V
= 35V, T
= 27.3V to 38V
= 27.3V to 38V, T
= 27.3V to 38V, I
= 28V to 38V
= 5mA to 1A, P
= 5mA to 1.0A
= 250mA to 750mA
= 5mA to 1.0A
= 5mA
= 1A, T
=+25 C
=+25 C
=+25 C, I
=+25 C
=+25 C
= 25 C
I
J
= 33V, C
Conditions
A
O
=+25 C
O
(Continued)
=+25 C
= 500mA
= 5mA to 1.5A
V
V
I
I
O
= 26.7V to 38V
= 30V to 36V
O
= 500mA
I
O
=0.33 F, C
J
15W
= 500mA
=+25 C
O
=0.1 F, unless otherwise specified)
Min.
23.5
23
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MC78XXE/LM78XXE/MC78XXAE
Typ.
-1.5
250
5.2
2.0
2.2
24
24
18
18
15
15
10
54
20
6
6
7
-
-
-
Max.
24.5
240
240
240
120
100
100
6.0
0.8
0.8
0.5
25
50
-
-
-
-
-
-
-
mV/ C
Unit
m
mV
mV
mA
mA
V/Vo
mA
dB
V
V
A
17

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