Datasheet

MC7800, MC7800A, MC7800AE, NCV7800
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19
Figure 2. Peak Output Current as a Function of
Input/Output Differential Voltage (MC78XXC, AC, B)
Figure 3. Ripple Rejection as a Function of
Output Voltages (MC78XXC, AC, B)
Figure 4. Ripple Rejection as a Function of
Frequency (MC78XXC, AC, B)
Figure 5. Output Voltage as a Function of
Junction Temperature (MC7805C, AC, B)
I
O
V
in
-V
out
, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
3.0
2.0
1.5
1.0
0
4.0 8.0 12 20 30 40
, OUTPUT CURRENT (A)
80
70
60
50
40
4.0 6.0 8.0 10 12 14 16 18 20 22 24
V
O
, OUTPUT VOLTAGE (V)
RR, RIPPLE REJECTION (dB)
PART #  V
in
MC7805C= 10 V
MC7806C= 11 V
MC7808C= 14 V
MC7812C= 19 V
MC7815C= 23 V
MC7818C= 27 V
MC7824C= 33 V
80
50
RR, RIPPLE REJECTION (dB)
0.1 10
f, FREQUENCY (kHz)
0.01
, OUTPUT VOLTAGE (V)
O
5.0
4.9
-60 -20 20 60 100 140 180
T
J
, JUNCTION TEMPERATURE (°C)
V
2.5
0.5
70
40
30
60
4.8
6.0 10 15 25 35
T
J
= 85°C
T
J
= 25°C
1.0
f = 120 Hz
I
O
= 20 mA
DV
in
= 1.0 V(RMS)
T
J
= 125°C
T
J
= 0°C
V
in
= 20 V
I
O
= 5.0 mA
MC78XXB, C, AC
V
in
= 8.0 V to 18 V
I
O
= 500 mA
f = 120 Hz
T
A
= 25°C
T
J
= -40°C
7.80
7.85
7.90
7.95
8.00
8.05
8.10
8.15
8.20
-40 -20 0 20 40 60 80 100 120 140 160 180
Figure 6. Output Voltage as a Function of
Junction Temperature (MC7808AE)
T
J
, JUNCTION TEMPERATURE (5C)
V
O
, OUTPUT VOLTAGE (V)
V
in
= 14 V
I
O
= 1.0 mA