Data Sheet

MC7800, MC7800A, LM340, LM340A Series, NCV7805
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (V
in
= 10 V, I
O
= 500 mA, T
J
= T
low
to T
high
[Note 1], unless otherwise noted.)
MC7805B, NCV7805 MC7805C/LM340T–5
Characteristic Symbol Min Typ Max Min Typ Max Unit
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)
V
O
Vdc
7.0 Vdc ≤ V
in
≤ 20 Vdc – – – 4.75 5.0 5.25
8.0 Vdc ≤ V
in
≤ 20 Vdc 4.75 5.0 5.25 – – –
Line Regulation (Note 2) Reg
line
mV
7.5 Vdc ≤ V
in
≤ 20 Vdc, 1.0 A – 5.0 100 – 0.5 20
8.0 Vdc ≤ V
in
≤ 12 Vdc – 1.3 50 – 0.8 10
Load Regulation (Note 2) Reg
load
mV
5.0 mA ≤ I
O
≤ 1.0 A – 1.3 100 – 1.3 25
5.0 mA ≤ I
O
≤ 1.5 A (T
A
= 25°C) – 0.15 50 – 1.3 25
Quiescent Current I
B
– 3.2 8.0 – 3.2 6.5 mA
Quiescent Current Change ∆I
B
mA
7.0 Vdc ≤ V
in
≤ 25 Vdc – – – – 0.3 1.0
5.0 mA ≤ I
O
≤ 1.0 A (T
A
= 25°C) – – 0.5 – 0.08 0.8
Ripple Rejection RR – 68 – 62 83 – dB
8.0 Vdc ≤ V
in
≤ 18 Vdc, f = 120 Hz
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) V
n
– 10 – – 10 – µV/V
O
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz r
O
– 0.9 – – 0.9 – mΩ
Short Circuit Current Limit (T
A
= 25°C) I
SC
– 0.2 – – 0.6 – A
V
in
= 35 Vdc
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
ELECTRICAL CHARACTERISTICS (V
in
= 10 V, I
O
= 1.0 A, T
J
= T
low
to T
high
[Note 1], unless otherwise noted.)
MC7805AB/MC7805AC/LM340AT–5
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) V
O
4.8 5.0 5.2 Vdc
7.5 Vdc ≤ V
in
≤ 20 Vdc
Line Regulation (Note 2) 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 2) 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 ∆I
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
1. T
low
=0°C for MC78XXAC, C, LM340AT–XX, LM340T–XX T
high
= +125°C for MC78XXAC, C, LM340AT–XX, LM340T–XX, NCV7805
= 40°C for MC78XXB, MC78XXAB, NCV7805
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.