Absolute Maximum Ratings (Note 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Junction Temperature
(K Package)
150˚C
150˚C
(T Package)
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
TO-3 Package K
−65˚C to +150˚C
Input Voltage
300˚C
230˚C
(VO = 5V, 12V and 15V)
35V
Internally Limited
0˚C to +70˚C
TO-220 Package T
Internal Power Dissipation (Note 1)
Operating Temperature Range (TA)
Electrical Characteristics LM78XXC (Note 2)
0˚C ≤ TJ ≤ 125˚C unless otherwise noted.
Output Voltage
5V
12V
19V
15V
23V
Input Voltage (unless otherwise noted)
10V
Units
Symbol
Parameter
Conditions
Tj = 25˚C, 5 mA ≤ IO ≤ 1A
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
VMIN ≤ VIN ≤ VMAX
Min Typ Max Min Typ Max Min Typ Max
VO
Output Voltage
4.8
5
5.2 11.5 12 12.5 14.4 15 15.6
V
V
V
4.75
5.25 11.4
12.6 14.25
15.75
(7.5 ≤ VIN ≤ 20)
50
(7 ≤ VIN ≤ 25)
(14.5 ≤ VIN
≤
(17.5 ≤ VIN
≤
27)
30)
∆VO
Line Regulation
IO = 500
mA
Tj = 25˚C
3
4
120
4
150
mV
V
∆VIN
14.5 ≤ VIN ≤ 30)
(17.5 ≤ VIN
≤
30)
0˚C ≤ Tj ≤ +125˚C
∆VIN
50
(8 ≤ VIN ≤ 20)
120
150
mV
V
(15 ≤ VIN ≤ 27)
(18.5 ≤ VIN
≤
30)
IO ≤ 1A
Tj = 25˚C
50
120
150
mV
V
∆VIN
(7.5 ≤ VIN ≤ 20)
(14.6 ≤ VIN
≤
(17.7 ≤ VIN
≤
27)
30)
0˚C ≤ Tj ≤ +125˚C
∆VIN
25
60
75
mV
V
(8 ≤ VIN ≤ 12)
(16 ≤ VIN ≤ 22)
12 120
60
(20 ≤ VIN ≤ 26)
12 150
75
∆VO
Load Regulation
Tj = 25˚C
5 mA ≤ IO ≤ 1.5A
10
50
25
mV
mV
250 mA ≤ IO
≤
750 mA
5 mA ≤ IO ≤ 1A, 0˚C ≤ Tj ≤
50
120
150
mV
+125˚C
IQ
Quiescent Current IO ≤ 1A
Tj = 25˚C
0˚C ≤ Tj ≤ +125˚C
Quiescent Current 5 mA ≤ IO ≤ 1A
8
8
8
mA
mA
mA
mA
V
8.5
0.5
1.0
8.5
8.5
0.5
1.0
∆IQ
0.5
1.0
Change
Tj = 25˚C, IO ≤ 1A
VMIN ≤ VIN ≤ VMAX
(7.5 ≤ VIN ≤ 20)
(14.8 ≤ VIN≤ 27)
(17.9 ≤ VIN
≤
30)
IO ≤ 500 mA, 0˚C ≤ Tj ≤ +125˚C
VMIN ≤ VIN ≤ VMAX
1.0
1.0
1.0
mA
V
(7 ≤ VIN ≤ 25)
(14.5 ≤ VIN≤ 30)
(17.5 ≤ VIN
≤
30)
VN
Output Noise
Voltage
TA =25˚C, 10 Hz ≤ f ≤ 100 kHz
40
75
90
µV
dB
dB
Ripple Rejection
IO ≤ 1A, Tj = 25˚C 62
or
80
55
55
72
54
54
70
f = 120 Hz IO ≤ 500 mA
0˚C ≤ Tj ≤ +125˚C
VMIN ≤ VIN ≤ VMAX
62
(8 ≤ VIN ≤ 18)
(15 ≤ VIN ≤ 25)
(18.5 ≤ VIN
≤
V
28.5)
RO
Dropout Voltage
Tj = 25˚C, IOUT = 1A
2.0
8
2.0
18
2.0
19
V
Output Resistance f = 1 kHz
mΩ
3
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