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LM340 Scheda tecnica(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LM340
Spiegazioni elettronici  Series 3-Terminal Positive Regulators
PDF  15 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM340 Scheda tecnica(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 5)
DC Input Voltage
All Devices except
LM7824/LM7824C
35V
LM7824/LM7824C
40V
Internal Power Dissipation (Note 2)
Internally Limited
Maximum Junction Temperature
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), TO-263
Package (S)
230˚C
ESD Susceptibility (Note 3)
2 kV
Operating Conditions (Note 1)
Temperature Range (T
A) (Note 2)
LM140A, LM140
−55˚C to +125˚C
LM340A, LM340, LM7805C,
LM7812C, LM7815C, LM7808C
0˚C to +125˚C
LM340A
Electrical Characteristics
I
OUT= 1A, −55˚C ≤ TJ≤+150˚C (LM140A), or 0˚C ≤ TJ≤+ 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
VO
Output Voltage
TJ = 25˚C
4.9
5
5.1
11.75
12 12.25
14.7
15
15.3
V
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
4.8
5.2
11.5
12.5
14.4
15.6
V
VMIN ≤ VIN ≤ VMAX
(7.5
≤ V
IN ≤ 20)
(14.8
≤ V
IN ≤ 27)
(17.9
≤ V
IN ≤ 30)
V
∆V
O
Line Regulation
IO = 500 mA
10
18
22
mV
∆V
IN
(7.5
≤ V
IN ≤ 20)
(14.8
≤ V
IN ≤ 27)
(17.9
≤ V
IN ≤ 30)
V
TJ = 25˚C
3
10
4
18
4
22
mV
∆V
IN
(7.5
≤ V
IN ≤ 20)
(14.5
≤ V
IN ≤ 27)
(17.5
≤ V
IN ≤ 30)
V
TJ = 25˚C
4
9
10
mV
Over Temperature
12
30
30
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
25
12
32
12
35
mV
250 mA
≤ I
O ≤ 750 mA
15
19
21
mV
Over Temperature,
25
60
75
mV
5mA
≤ I
O ≤ 1A
IQ
Quiescent Current
TJ = 25˚C
6
6
6
mA
Over Temperature
6.5
6.5
6.5
mA
∆I
Q
Quiescent Current
5 mA
≤ I
O ≤ 1A
0.5
0.5
0.5
mA
Change
TJ = 25˚C, IO = 1A
0.8
0.8
0.8
mA
VMIN ≤ VIN ≤ VMAX
(7.5
≤ V
IN ≤ 20)
(14.8
≤ V
IN ≤ 27)
(17.9
≤ V
IN ≤ 30)
V
IO = 500 mA
0.8
0.8
0.8
mA
VMIN ≤ VIN ≤ VMAX
(8
≤ V
IN ≤ 25)
(15
≤ V
IN ≤ 30)
(17.9
≤ V
IN ≤ 30)
V
VN
Output Noise Voltage
TA = 25˚C, 10 Hz ≤ f ≤ 100 kHz
40
75
90
µV
Ripple Rejection
TJ = 25˚C, f = 120 Hz, IO = 1A
68
80
61
72
60
70
dB
or f = 120 Hz, IO = 500 mA,
68
61
60
dB
Over Temperature,
VMIN ≤ VIN ≤ VMAX
(8
≤ V
IN ≤ 18)
(15
≤ V
IN ≤ 25)
(18.5
≤ V
IN ≤ 28.5)
V
RO
Dropout Voltage
TJ = 25˚C, IO = 1A
2.0
2.0
2.0
V
Output Resistance
f = 1 kHz
8
18
19
m
Ω
Short-Circuit Current
TJ = 25˚C
2.1
1.5
1.2
A
Peak Output Current
TJ = 25˚C
2.4
2.4
2.4
A
Average TC of VO
Min, TJ = 0˚C, IO = 5 mA
−0.6
−1.5
−1.8
mV/˚C
VIN
Input Voltage
TJ = 25˚C
Required to Maintain
7.5
14.5
17.5
V
Line Regulation
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