MC7809A Fairchild, MC7809A Datasheet - Page 7

• Manufacturer Part Number: MC7809A
• Description: 3-Terminal 1A Positive Voltage Regulator
• Manufacturer: Fairchild

MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7812)
(Refer to test circuit ,0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
7
Output Voltage
Line Regulation (Note1)
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
into account separately. Pulse testing with low duty is used.
Parameter
J
< 125 C, I
Regload T
Symbol
Regline
V
V
I
I
V
RR
V
Drop
I
r
SC
O
PK
Q
I
O
O
N
Q
/ T
O
T
5.0mA
V
T
T
I
V
I
f = 10Hz to 100KHz, T
f = 120Hz
V
I
f = 1KHz
V
T
= 500mA, V
O
O
O
J
J
J
J
J
I
I
I
I
= 14.5V to 27V
= 14.5V to 30V
= 15V to 25V
= 35V, T
= 5mA to 1.0A
= 5mA
= 1A, T
=+25
=+25
=+25
=+25
= +25
o
o
o
o
I
o
C
O
C
C
C
J
C
=+25
A
I
1.0A, P
=+25
=19V, C
Conditions
o
C
o
V
V
I
I
O
O
C
O
I
I
A
= 14.5V to 30V
= 16V to 22V
= 5mA to 1.5A
= 250mA to 750mA
I
= 0.33 F, C
=+25
15W
o
C
O
=0.1 F, unless otherwise specified)
O
due to heating effects must be taken
Min. Typ. Max.
11.5
11.4
55
-
-
-
-
-
-
-
-
-
-
-
-
-
MC7812
230
3.0
5.0
5.1
0.1
0.5
2.2
12
12
10
76
71
18
11
-1
2
12.5
12.6
240
120
240
120
8.0
0.5
1.0
-
-
-
-
-
-
-
mV/
Unit
V/Vo
m
mV
mV
mA
mA
mA
dB
V
A
V
o
C