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LM7808CT Scheda tecnica(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LM7808CT
Spiegazioni elettronici  3-Terminal Positive Regulators
PDF  17 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM7808CT Scheda tecnica(HTML) 4 Page - National Semiconductor (TI)

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LM340A Electrical Characteristics (Continued)
I
OUT = 1A, 0˚C
≤ T
J
≤ + 125˚C (LM340A) unless otherwise specified (Note 4)
Output Voltage
5V
12V
15V
Symbol
Input Voltage (unless otherwise noted)
10V
19V
23V
Units
Parameter
Conditions
Min
Typ Max
Min
Typ Max
Min
Typ Max
Peak Output
Current
T
J = 25˚C
2.4
2.4
2.4
A
Average TC of
V
O
Min, T
J = 0˚C, IO = 5 mA
−0.6
−1.5
−1.8
mV/˚C
V
IN
Input Voltage
T
J = 25˚C
Required to
Maintain
7.5
14.5
17.5
V
Line Regulation
LM140 Electrical Characteristics (Note 4)
−55˚C
≤ T
J
≤ +150˚C unless otherwise specified
Output Voltage
5V
12V
15V
Symbol
Input Voltage (unless otherwise noted)
10V
19V
23V
Units
Parameter
Conditions
Min Typ
Max
Min
Typ
Max Min Typ
Max
V
O
Output Voltage
T
J = 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 ≤ I
O
≤ 1A
4.75
5.25
11.4
12.6 14.25
15.75
V
V
MIN
≤ V
IN
≤ V
MAX
(8
≤ V
IN
≤ 20)
(15.5
≤ V
IN
≤ 27)
(18.5
≤ V
IN
≤
30)
V
∆V
O
Line Regulation
I
O = 500 mA
T
J = 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
−55˚C
≤ T
J
≤ +150˚C
50
120
150 mV
∆V
IN
(8
≤ V
IN
≤ 20)
(15
≤ V
IN
≤ 27)
(18.5
≤ V
IN
≤
30)
V
I
O
≤ 1A
T
J = 25˚C
50
120
150 mV
∆V
IN
(7.5
≤ V
IN
≤ 20) (14.6 ≤ V
IN
≤ 27)
(17.7
≤ V
IN
≤
30)
V
−55˚C
≤ T
J
≤ +150˚C
25
60
75
mV
∆V
IN
(8
≤ V
IN
≤ 12)
(16
≤ V
IN
≤ 22)
(20
≤ V
IN
≤ 26)
V
∆V
O
Load Regulation
T
J = 25˚C
5 mA
≤ I
O
≤ 1.5A
10
50
12
120
12
150 mV
250 mA
≤ I
P
≤ 750
mA
25
60
75
mV
−55˚C
≤ T
J
≤ +150˚C,
50
120
150 mV
5mA
≤ I
O
≤ 1A
I
Q
Quiescent Current
I
O
≤ 1A
T
J = 25˚C
6
6
6
mA
−55˚C
≤ T
J
≤ +150˚C
7
7
7
mA
∆I
Q
Quiescent Current
5 mA
≤ I
O
≤ 1A
0.5
0.5
0.5
mA
Change
T
J = 25˚C, IO
≤ 1A
0.8
0.8
0.8
mA
V
MIN
≤ V
IN
≤ V
MAX
(8
≤ V
IN
≤ 20)
(15
≤ V
IN
≤ 27)
(18.5
≤ V
IN
≤
30)
V
I
O = 500 mA, −55˚C
≤ T
J
≤ +150˚C
0.8
0.8
0.8
mA
V
MIN
≤ V
IN
≤ V
MAX
(8
≤ V
IN
≤ 25)
(15
≤ V
IN
≤ 30)
(18.5
≤ V
IN
≤
30)
V
V
N
Output Noise
Voltage
T
A = 25˚C, 10 Hz
≤ f ≤ 100 kHz
40
75
90
µV
www.national.com
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