MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS
(V
in
= 10 V, I
O
= 1.0 A, T
J
= T
low
to T
high
(Note 3), unless otherwise noted)
MC7805AB/MC7805AC
Characteristic
Output Voltage (T
J
= 25°C)
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
7.5 Vdc
≤
V
in
≤
20 Vdc
Line Regulation (Note 4)
7.5 Vdc
≤
V
in
≤
25 Vdc, I
O
= 500 mA
8.0 Vdc
≤
V
in
≤
12 Vdc, I
O
= 1.0 A
8.0 Vdc
≤
V
in
≤
12 Vdc, I
O
= 1.0 A, T
J
= 25°C
7.3 Vdc
≤
V
in
≤
20 Vdc, I
O
= 1.0 A, T
J
= 25°C
Load Regulation (Note 4)
5.0 mA
≤
I
O
≤
1.5 A, T
J
= 25°C
5.0 mA
≤
I
O
≤
1.0 A
250 mA
≤
I
O
≤
750 mA
Quiescent Current
Quiescent Current Change
8.0 Vdc
≤
V
in
≤
25 Vdc, I
O
= 500 mA
7.5 Vdc
≤
V
in
≤
20 Vdc, T
J
= 25°C
5.0 mA
≤
I
O
≤
1.0 A
Ripple Rejection
8.0 Vdc
≤
V
in
≤
18 Vdc, f = 120 Hz, I
O
= 500 mA
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
RR
V
I
− V
O
V
n
r
O
I
SC
I
max
TCV
O
I
B
DI
B
−
−
−
68
−
−
−
−
−
−
0.3
−
0.08
83
2.0
10
0.9
0.2
2.2
−0.3
0.8
0.8
0.5
−
−
−
−
−
−
−
dB
Vdc
mV/V
O
mW
A
A
mV/°C
Reg
load
−
−
−
−
1.3
0.8
0.53
3.2
25
25
15
6.0
mA
mA
Symbol
V
O
V
O
Reg
line
−
−
−
−
0.5
0.8
1.3
4.5
10
12
4.0
10
mV
Min
4.9
4.8
Typ
5.0
5.0
Max
5.1
5.2
Unit
Vdc
Vdc
mV
3. T
low
= 0°C for MC78XXAC, C
T
high
= +125°C for MC78XXAC, C, NCV7805
=
*40°C
for MC78XXB, MC78XXAB, NCV7805
4. 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.
http://onsemi.com
4
ONSEMI [ ON SEMICONDUCTOR ]
