MC7800, MC7800A, MC7800AE, NCV7800
ELECTRICAL CHARACTERISTICS
(V
in
= 10 V, I
O
= 500 mA, T
J
= T
low
to 125°C (Note 1), unless otherwise noted)
MC7805B, NCV7805B
Characteristic
Output Voltage (T
J
= 25°C)
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
7.0 Vdc
≤
V
in
≤
20 Vdc
8.0 Vdc
≤
V
in
≤
20 Vdc
Line Regulation (Note 4)
7.5 Vdc
≤
V
in
≤
20 Vdc, 1.0 A
8.0 Vdc
≤
V
in
≤
12 Vdc
Load Regulation (Note 4)
5.0 mA
≤
I
O
≤
1.0 A
5.0 mA
≤
I
O
≤
1.5 A (T
A
= 25°C)
Quiescent Current
Quiescent Current Change
7.0 Vdc
≤
V
in
≤
25 Vdc
5.0 mA
≤
I
O
≤
1.0 A (T
A
= 25°C)
Ripple Rejection
8.0 Vdc
≤
V
in
≤
18 Vdc, f = 120 Hz
Dropout Voltage (I
O
= 1.0 A, T
J
= 25°C)
Output Noise Voltage (T
A
= 25°C)
10 Hz
≤
f
≤
100 kHz
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (T
A
= 25°C)
V
in
= 35 Vdc
Peak Output Current (T
J
= 25°C)
Average Temperature Coefficient of Output Voltage
Symbol
V
O
V
O
Min
4.8
−
4.75
−
−
−
−
−
−
−
−
−
−
−
−
−
−
Typ
5.0
−
5.0
5.0
1.3
Max
5.2
−
5.25
100
50
Min
4.8
4.75
−
−
−
MC7805C
Typ
5.0
5.0
−
0.5
0.8
Max
5.2
5.25
−
20
10
Unit
Vdc
Vdc
Reg
line
mV
Reg
load
1.3
0.15
3.2
−
−
68
2.0
10
0.9
0.2
2.2
−0.3
100
50
8.0
−
0.5
−
−
−
−
−
−
−
−
−
−
−
−
62
−
−
−
−
−
−
1.3
1.3
3.2
0.3
0.08
83
2.0
10
0.9
0.6
2.2
−0.3
25
25
6.5
1.0
0.8
−
−
−
−
−
−
−
mV
I
B
DI
B
mA
mA
RR
V
I
−
V
O
V
n
r
O
I
SC
I
max
TCV
O
dB
Vdc
mV/V
O
mW
A
A
mV/°C
1. T
low
= 0°C for MC78XXC, MC78XXAC,
=
*40°C
for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
2. 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 cycle is used.
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