MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS (V = 23 V, I = 500 mA, T = T to T (Note 20), unless otherwise noted)
high
in
O
J
low
MC7815B
Typ
MC7815C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
O
V
O
14.4
15
15.6
14.4
15
15.6
J
Output Voltage (5.0 mA ≤ I ≤ 1.0 A, P ≤ 15 W)
O
D
17.5 Vdc ≤ V ≤ 30 Vdc
−
−
−
14.25
−
15
−
15.75
−
in
18.5 Vdc ≤ V ≤ 30 Vdc
14.25
15
15.75
in
Line Regulation, T = 25°C (Note 21)
Reg
mV
mV
J
line
17.9 Vdc ≤ V ≤ 30 Vdc
−
−
−
8.5
3.0
1.8
300
150
300
−
−
−
8.5
3.0
1.8
30
28
55
in
20 Vdc ≤ V ≤ 26 Vdc
in
Load Regulation, T = 25°C (Note 21)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
O
Quiescent Current
I
−
3.5
8.0
−
3.5
6.5
mA
mA
B
Quiescent Current Change
DI
B
17.5 Vdc ≤ V ≤ 30 Vdc
−
−
−
−
−
−
−
1.0
0.5
−
−
−
−
−
0.8
0.7
0.5
−
in
17.5 Vdc ≤ V ≤ 30 Vdc, I = 1.0 A, T = 25°C
in
O
J
5.0 mA ≤ I ≤ 1.0 A
−
−
−
O
Ripple Rejection
RR
58
54
58
dB
18.5 Vdc ≤ V ≤ 28.5 Vdc, f = 120 Hz
in
Dropout Voltage (I = 1.0 A, T = 25°C)
V − V
O
−
−
2.0
10
−
−
−
−
2.0
10
−
−
Vdc
O
J
I
Output Noise Voltage (T = 25°C)
V
n
mV/V
O
A
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
r
−
−
1.2
0.2
−
−
−
−
1.2
0.2
−
−
mW
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
Peak Output Current (T = 25°C)
I
−
−
2.2
−
−
−
−
2.2
−
−
A
J
max
Average Temperature Coefficient of Output Voltage
20.T = 0°C for MC78XXAC, C
TCV
−1.0
−1.0
mV/°C
O
T
high
= +125°C for MC78XXAC, C, NCV7805
low
= *40°C for MC78XXB, MC78XXAB, NCV7805
21.Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
http://onsemi.com
13
ONSEMI [ ONSEMI ]
