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
Symbo
l
MC7805B, NCV7805B 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.