MC7800, MC7800A, LM340, LM340A Series
ELECTRICAL CHARACTERISTICS (continued) (V = 23 V, I = 1.0 A, T = T
in
to T
[Note 1], unless otherwise noted.)
O
J
low
high
MC7815AC/LM340AT–15
Characteristic
Symbol
Min
Typ
Max
Unit
Ripple Rejection
18.5 Vdc ≤ V ≤ 28.5 Vdc, f = 120 Hz, I = 500 mA
RR
60
80
–
dB
in
Dropout Voltage (I = 1.0 A, T = 25°C)
O
V – V
O
–
–
2.0
10
–
–
Vdc
O
J
I
Output Noise Voltage (T = 25°C)
V
n
µV/V
O
A
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
r
–
–
1.2
0.2
–
–
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
= 35 Vdc
in
Peak Output Current (T = 25°C)
I
–
–
2.2
–
–
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.0
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 27 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7818C
Characteristic
Symbol
Min
17.3
17.1
Typ
18
Max
18.7
18.9
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
J
O
O
Output Voltage (5.0 mA ≤ I ≤ 1.0 A, P ≤ 15 W)
V
18
O
D
21 Vdc ≤ V ≤ 33 Vdc
in
Line Regulation, (Note 2)
21 Vdc ≤ V ≤ 33 Vdc
in
Reg
mV
mV
line
–
–
9.5
3.2
50
25
24 Vdc ≤ V ≤ 30 Vdc
in
Load Regulation, (Note 2)
Reg
–
2.0
55
load
5.0 mA ≤ I ≤ 1.5 A
O
Quiescent Current
I
–
3.5
6.5
mA
mA
B
Quiescent Current Change
21 Vdc ≤ V ≤ 33 Vdc
∆I
B
–
–
–
–
1.0
0.5
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
53
57
–
dB
22 Vdc ≤ V ≤ 33 Vdc, f = 120 Hz
in
Dropout Voltage (I = 1.0 A, T = 25°C)
V – V
iI O
–
–
2.0
10
–
–
Vdc
O
J
Output Noise Voltage (T = 25°C)
V
n
µV/V
O
A
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
r
–
–
1.3
0.2
–
–
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
Peak Output Current (T = 25°C)
I
–
–
2.2
–
–
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.5
mV/°C
O
NOTES: 1. T
low
= –40°C for MC78XXAC, C
T
= +125°C for MC78XXAC, C
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
10
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
