Datasheet

MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (V
in
= 10 V, I
O
= 1.0 A, T
J
= T
low
to 125°C (Note 3), unless otherwise noted)
MC7805AB/MC7805AC/NCV7805AB
Characteristic Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
4.9 5.0 5.1 Vdc
Output Voltage (5.0 mA ≤ I
O
≤ 1.0 A, P
D
≤ 15 W)
7.5 Vdc ≤ V
in
≤ 20 Vdc
V
O
4.8 5.0 5.2 Vdc
Line Regulation (Note 4) Reg
line
mV
7.5 Vdc ≤ V
in
≤ 25 Vdc, I
O
= 500 mA - 0.5 10
8.0 Vdc ≤ V
in
≤ 12 Vdc, I
O
= 1.0 A - 0.8 12
8.0 Vdc ≤ V
in
≤ 12 Vdc, I
O
= 1.0 A, T
J
= 25°C - 1.3 4.0
7.3 Vdc ≤ V
in
≤ 20 Vdc, I
O
= 1.0 A, T
J
= 25°C - 4.5 10
Load Regulation (Note 4) Reg
load
mV
5.0 mA ≤ I
O
≤ 1.5 A, T
J
= 25°C - 1.3 25
5.0 mA ≤ I
O
≤ 1.0 A - 0.8 25
250 mA ≤ I
O
≤ 750 mA - 0.53 15
Quiescent Current I
B
- 3.2 6.0 mA
Quiescent Current Change
DI
B
mA
8.0 Vdc ≤ V
in
≤ 25 Vdc, I
O
= 500 mA - 0.3 0.8
7.5 Vdc ≤ V
in
≤ 20 Vdc, T
J
= 25°C - - 0.8
5.0 mA ≤ I
O
≤ 1.0 A - 0.08 0.5
Ripple Rejection
8.0 Vdc ≤ V
in
≤ 18 Vdc, f = 120 Hz, I
O
= 500 mA
RR 68 83 - dB
Dropout Voltage (I
O
= 1.0 A, T
J
= 25°C) V
I
- V
O
- 2.0 - Vdc
Output Noise Voltage (T
A
= 25°C)
10 Hz ≤ f ≤ 100 kHz
V
n
- 10 -
mV/V
O
Output Resistance (f = 1.0 kHz) r
O
- 0.9 -
mW
Short Circuit Current Limit (T
A
= 25°C)
V
in
= 35 Vdc
I
SC
- 0.2 - A
Peak Output Current (T
J
= 25°C) I
max
- 2.2 - A
Average Temperature Coefficient of Output Voltage TCV
O
- -0.3 - mV/°C
3. T
low
=0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
4. 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.