MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7815)
(Refer to test circuit ,0°C < T
J
< 125°C, I
O
= 500mA, V
I
=23V, C
I
= 0.33µF, C
O
=0.1µF, unless otherwise specified)
Parameter
Symbol
T
J
=+25
o
C
Output Voltage
V
O
5.0mA
≤
I
O
≤
1.0A, P
O
≤
15W
V
I
= 17.5V to 30V
T
J
=+25
o
C
V
I
= 17.5V to 30V
V
I
= 20V to 26V
I
O
= 5mA to 1.5A
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Regload
I
Q
∆I
Q
∆V
O
/∆T
V
N
RR
V
Drop
r
O
I
SC
I
PK
T
J
=+25
o
C
T
J
=+25
o
C
I
O
= 5mA to 1.0A
V
I
= 17.5V to 30V
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=+25
o
C
f = 120Hz
V
I
= 18.5V to 28.5V
I
O
= 1A, T
J
=+25
o
C
f = 1KHz
V
I
= 35V, T
A
=+25
o
C
T
J
=+25
o
C
I
O
= 250mA to
750mA
Conditions
MC7815
Min.
14.4
14.25
-
-
-
-
-
-
-
-
-
54
-
-
-
-
Typ.
15
15
11
3
12
4
5.2
-
-
-1
90
70
2
19
250
2.2
Max.
15.6
15.75
300
150
300
150
8.0
0.5
1.0
-
-
-
-
-
-
-
mV
mA
mA
mV/
o
C
µV/Vo
dB
V
mΩ
mA
A
V
mV
Unit
Line Regulation (Note1)
Regline
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
8
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
