MC7809A Fairchild, MC7809A Datasheet - Page 16

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

MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7812A)
(Refer to the test circuits. 0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
16
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
Regload
Symbol
Regline
< 125 C, I
V
V/ T
I
V
RR
I
V
Drop
I
r
SC
PK
Q
I
O
O
N
Q
o
T
I
V
V
I
V
T
T
I
I
I
T
V
V
I
I
f = 10Hz to 100KHz
T
f = 120Hz, I
V
I
f = 1KHz
V
T
=1A, V
O
O
O
O
O
O
O
O
J
J
J
J
A
J
I
I
I
I
I
I
I
= 14.8V to 30V
= 16V to 22V
= 35V, T
=+25 C
= 14.8V to 27V
= 15V to 30V, T
= 14V to 27V, I
= 14V to 24V
= 5mA to 1A, P
= 500mA
= 5mA to 1.5A
= 5mA to 1.0A
= 250mA to 750mA
= 5mA to 1.0A
= 5mA
= 1A, T
=+25 C
=+25 C
=+25 C
=+25 C
=+25 C
I
= 19V, C
J
Conditions
A
O
=+25 C
=+25 C
= 500mA
V
V
I
I
= 14.5V to 27V
= 16V to 22V
O
I
O
J
=0.33 F, C
=+25 C
= 500mA
15W
O
=0.1 F, unless otherwise specified)
O
due to heating effects must be taken
11.75
Min.
11.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
-1.0
250
5.1
2.0
2.2
12
12
10
10
12
12
10
60
18
4
3
5
12.25
Max.
12.5
120
120
120
100
100
6.0
0.8
0.8
0.5
60
50
-
-
-
-
-
-
-
mV/ C
Unit
m
mV
mV
mA
mA
V/Vo
mA
dB
V
V
A