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7812 データシート(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 7812
部品情報  Series Voltage Regulators
PDF  8 Pages
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

7812 データシート(HTML) 3 Page - National Semiconductor (TI)

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