Datasheet

MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (V
in
= 10 V, I
O
= 500 mA, T
J
= T
low
to 125°C (Note 1), unless otherwise noted)
Characteristic Symbol
MC7805B, NCV7805 MC7805C
Unit
Min Typ Max Min Typ Max
Output Voltage (T
J
= 25°C) V
O
4.8 5.0 5.2 4.8 5.0 5.2 Vdc
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
V
O
-
4.75
-
5.0
-
5.25
4.75
-
5.0
-
5.25
-
Vdc
Line Regulation (Note 4)
7.5 Vdc ≤ V
in
≤ 20 Vdc, 1.0 A
8.0 Vdc ≤ V
in
≤ 12 Vdc
Reg
line
-
-
5.0
1.3
100
50
-
-
0.5
0.8
20
10
mV
Load Regulation (Note 4)
5.0 mA ≤ I
O
≤ 1.0 A
5.0 mA ≤ I
O
≤ 1.5 A (T
A
= 25°C)
Reg
load
-
-
1.3
0.15
100
50
-
-
1.3
1.3
25
25
mV
Quiescent Current I
B
- 3.2 8.0 - 3.2 6.5 mA
Quiescent Current Change
7.0 Vdc ≤ V
in
≤ 25 Vdc
5.0 mA ≤ I
O
≤ 1.0 A (T
A
= 25°C)
DI
B
-
-
-
-
-
0.5
-
-
0.3
0.08
1.0
0.8
mA
Ripple Rejection
8.0 Vdc ≤ V
in
≤ 18 Vdc, f = 120 Hz
RR - 68 - 62 83 - dB
Dropout Voltage (I
O
= 1.0 A, T
J
= 25°C) V
I
- V
O
- 2.0 - - 2.0 - Vdc
Output Noise Voltage (T
A
= 25°C)
10 Hz ≤ f ≤ 100 kHz
V
n
- 10 - - 10 -
mV/V
O
Output Resistance f = 1.0 kHz r
O
- 0.9 - - 0.9 -
mW
Short Circuit Current Limit (T
A
= 25°C)
V
in
= 35 Vdc
I
SC
- 0.2 - - 0.6 - A
Peak Output Current (T
J
= 25°C) I
max
- 2.2 - - 2.2 - A
Average Temperature Coefficient of Output Voltage TCV
O
- -0.3 - - -0.3 - 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.