MC7800, MC7800A, NCV7805
3.0
T
J
= −40°C
T
J
= 0°C
T
J
= 25°C
RR, RIPPLE REJECTION (dB)
I O, OUTPUT CURRENT (A)
2.5
2.0
1.5
1.0
0.5
0
4.0
6.0
8.0
10
12
T
J
= 85°C
T
J
= 125°C
70
PART #
MC7805C
MC7806C
MC7808C
MC7812C
MC7815C
MC7818C
MC7824C
6.0
V
in
= 10 V
= 11 V
= 14 V
= 19 V
= 23 V
= 27 V
= 33 V
10
12
14
16
f = 120 Hz
I
O
= 20 mA
DV
in
= 1.0 V(RMS)
80
60
50
15
20
25
30
35
40
40
4.0
8.0
18
20
22
24
V
in
−V
out
, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
V
O
, OUTPUT VOLTAGE (V)
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)
80
RR, RIPPLE REJECTION (dB)
VO, OUTPUT VOLTAGE (V)
70
MC78XXB, C, AC
60
50
40
30
0.01
V
in
= 8.0 V to 18 V
I
O
= 500 mA
f = 120 Hz
T
A
= 25°C
5.0
V
in
= 20 V
I
O
= 5.0 mA
4.9
0.1
1.0
f, FREQUENCY (kHz)
10
4.8
−60
−20
20
60
100
140
180
T
J
, JUNCTION TEMPERATURE (°C)
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)
10
Z O , OUTPUT IMPEDANCE (m
Ω
)
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
4.0
8.0
12
16
20
24
f = 120 Hz
I
O
= 500 mA
C
L
= 0
mF
IB , QUIESCENT CURRENT (mA)
6.0
4.0
3.0
2.0
1.0
0
−75
V
in
= 10 V
V
O
= 5.0 V
I
L
= 20 mA
−50
−25
0
25
50
75
100
125
V
O
, OUTPUT VOLTAGE (V)
T
J
, JUNCTION TEMPERATURE (°C)
Figure 6. Output Impedance as a Function of
Output Voltage (MC78XXC, AC, B)
Figure 7. Quiescent Current as a Function of
Temperature (MC78XXC, AC, B)
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