MC7809A Fairchild, MC7809A Datasheet - Page 17

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

Electrical Characteristics (MC7815A)
(Refer to the test circuits. 0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
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
Regload
Symbol
Regline
J
V
V/ T
RR
I
I
< 125 C, I
V
V
Drop
I
r
SC
PK
Q
I
O
O
N
Q
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
o
O
O
O
O
O
O
O
O
J
J
J
J
A
J
I
I
I
I
I
I
I
= 17.9V to 30V
= 20V to 26V
= 35V, T
=1A, V
=+25 C
= 17.7V to 30V
= 17.5V to 30V, T
= 17.5V to 30V, I
= 18.5V to 28.5V
= 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
J
Conditions
A
=23V, C
O
=+25 C
=+25 C
= 500mA
V
V
I
I
= 17.5V to 30V
= 20V to 26V
O
I
O
=0.33 F, C
J
15W
= 500mA
=+25 C
O
=0.1 F, unless otherwise specified)
O
due to heating effects must be taken
Min.
14.7
14.4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
-1.0
250
MC78XX/LM78XX/MC78XXA
5.2
2.0
2.2
15
15
10
11
12
12
10
58
19
5
3
5
-
-
-
Max.
15.3
15.6
150
150
150
100
100
6.0
0.8
0.8
0.5
75
50
-
-
-
-
-
-
-
mV/ C
Unit
mV
mV
mA
mA
V/Vo
m
mA
dB
V
V
A
17