MC7800, MC7800A, NCV7805
ELECTRICAL CHARACTERISTICS
(V
in
= 33 V, I
O
= 500 mA, T
J
= T
low
to T
high
(Note 28), unless otherwise noted)
MC7824B
Characteristic
Output Voltage (T
J
= 25°C)
Output Voltage (5.0 mA
≤
I
O
≤
1.0 A, P
D
≤
15 W)
27 Vdc
≤
V
in
≤
38 Vdc
28 Vdc
≤
V
in
≤
38 Vdc
Line Regulation, (Note 29)
27 Vdc
≤
V
in
≤
38 Vdc
30 Vdc
≤
V
in
≤
36 Vdc
Load Regulation, (Note 29)
5.0 mA
≤
I
O
≤
1.5 A
Quiescent Current
Quiescent Current Change
27 Vdc
≤
V
in
≤
38 Vdc
5.0 mA
≤
I
O
≤
1.0 A
Ripple Rejection
28 Vdc
≤
V
in
≤
38 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
−2.0
−
−
−
−
2.2
−2.0
−
−
A
mV/°C
r
O
I
SC
−
−
1.4
0.2
−
−
−
−
1.4
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
−
−
−
−
−
54
−
0.5
−
−
−
50
−
−
54
1.0
0.5
−
dB
−
3.6
8.0
−
3.6
6.5
mA
mA
Reg
load
Reg
line
−
−
−
11.5
3.8
2.1
480
240
480
−
−
−
2.7
2.7
4.4
60
48
65
mV
Symbol
V
O
V
O
−
22.8
−
24
−
25.2
22.8
−
24
−
25.2
−
mV
Min
23
Typ
24
Max
25
Min
23
MC7824C
Typ
24
Max
25
Unit
Vdc
Vdc
28. T
low
= 0°C for MC78XXAC, C
T
high
= +125°C for MC78XXAC, C, NCV7805
=
*40°C
for MC78XXB, MC78XXAB, NCV7805
29. 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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