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LM340 Scheda tecnica(PDF) 3 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) 3 Page - National Semiconductor (TI)

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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
VO
Output Voltage
TJ = 25˚C, 5 mA ≤ IO ≤ 1A
4.8
5
5.2
11.5
12
12.5
14.4
15
15.6
V
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
4.75
5.25
11.4
12.6
14.25
15.75
V
VMIN ≤ VIN ≤ VMAX
(8
≤ V
IN ≤ 20)
(15.5
≤ V
IN ≤ 27)
(18.5
≤ V
IN ≤ 30)
V
∆V
O
Line Regulation
IO = 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
−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
IO ≤ 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
−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
TJ = 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
IQ
Quiescent Current
IO ≤ 1A
TJ = 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
TJ = 25˚C, IO ≤ 1A
0.8
0.8
0.8
mA
VMIN ≤ VIN ≤ VMAX
(8
≤ V
IN ≤ 20)
(15
≤ V
IN ≤ 27)
(18.5
≤ V
IN ≤ 30)
V
IO = 500 mA, −55˚C ≤ TJ ≤ +150˚C
0.8
0.8
0.8
mA
VMIN ≤ VIN ≤ VMAX
(8
≤ V
IN ≤ 25)
(15
≤ V
IN ≤ 30)
(18.5
≤ V
IN ≤ 30)
V
VN
Output Noise Voltage
TA = 25˚C, 10 Hz ≤ f ≤ 100 kHz
40
75
90
µV
Ripple Rejection
IO ≤ 1A, TJ = 25˚C or
68
80
61
72
60
70
dB
f = 120 Hz
IO ≤ 500 mA,
68
61
60
dB
−55˚C
≤ T
J ≤+150˚C
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 VOUT
0˚C
≤ T
J ≤ +150˚C, IO = 5 mA
−0.6
−1.5
−1.8
mV/˚C
VIN
Input Voltage
TJ = 25˚C, IO ≤ 1A
Required to Maintain
7.5
14.6
17.7
V
Line Regulation
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