MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS
(V
in
= 14 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 9), unless otherwise noted)
MC7808B
Characteristic
Output Voltage (T
J
= 25°C)
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
10.5 Vdc
≤
V
in
≤
23 Vdc
11.5 Vdc
≤
V
in
≤
23 Vdc
Line Regulation, T
J
= 25°C, (Note 10)
10.5 Vdc
≤
V
in
≤
25 Vdc
11 Vdc
≤
V
in
≤
17 Vdc
Load Regulation, T
J
= 25°C (Note 10)
5.0 mA
≤
I
O
≤
1.5 A
Quiescent Current
Quiescent Current Change
10.5 Vdc
≤
V
in
≤
25 Vdc
5.0 mA
≤
I
O
≤
1.0 A
Ripple Rejection
11.5 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
I
max
TCV
O
−
−
2.2
−0.4
−
−
−
−
2.2
−0.4
−
−
A
mV/°C
r
O
I
SC
−
−
0.9
0.2
−
−
−
−
0.9
0.2
−
−
mW
A
V
I
− V
O
V
n
−
−
2.0
10
−
−
−
−
2.0
10
−
−
Vdc
mV/V
O
RR
I
B
DI
B
−
−
−
−
−
62
−
0.5
−
−
−
56
−
−
62
1.0
0.5
−
dB
−
3.3
8.0
−
3.3
8.0
mA
mA
Reg
load
Reg
line
−
−
−
6.0
1.7
1.4
160
80
160
−
−
−
6.0
1.7
1.4
32
16
35
mV
Symbol
V
O
V
O
−
7.6
−
8.0
−
8.4
7.6
−
8.0
−
8.4
−
mV
Min
7.7
Typ
8.0
Max
8.3
Min
7.7
MC7808C
Typ
8.0
Max
8.3
Unit
Vdc
Vdc
9. T
low
= 0°C for MC78XXAC, C
T
high
= +125°C for MC78XXAC, C, NCV7805
=
*40°C
for MC78XXB, MC78XXAB, NCV7805
10. 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
7
ONSEMI [ ON SEMICONDUCTOR ]
