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LM340 bảng dữ liệu(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM340
Giải thích chi tiết về linh kiện  3-Terminal Positive Regulators
PDF  17 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM340 bảng dữ liệu(HTML) 5 Page - National Semiconductor (TI)

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LM140 Electrical Characteristics (Note 4) (Continued)
−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
Ripple Rejection
I
O
≤ 1A, T
J = 25˚C
or
68
80
61
72
60
70
dB
f = 120 Hz
I
O
≤ 500 mA,
68
61
60
dB
−55˚C
≤ T
J
≤+150˚C
V
MIN
≤ V
IN
≤ V
MAX
(8
≤ V
IN
≤ 18)
(15
≤ V
IN
≤ 25)
(18.5
≤ V
IN
≤
28.5)
V
R
O
Dropout Voltage
T
J = 25˚C, IO = 1A
2.0
2.0
2.0
V
Output Resistance
f=1kHz
8
18
19
m
Ω
Short-Circuit
Current
T
J = 25˚C
2.1
1.5
1.2
A
Peak Output
Current
T
J = 25˚C
2.4
2.4
2.4
A
Average TC of
V
OUT
0˚C
≤ T
J
≤ +150˚C, I
O = 5 mA
−0.6
−1.5
−1.8
mV/˚C
V
IN
Input Voltage
T
J = 25˚C, IO
≤ 1A
Required to
Maintain
7.5
14.6
17.7
V
Line Regulation
LM340 Electrical Characteristics (Note 4)
0˚C
≤ T
J
≤ +125˚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
(7.5
≤ V
IN
≤ 20)
(14.5
≤ V
IN
≤
27)
(17.5
≤ 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
0˚C
≤ T
J
≤ +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
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
0˚C
≤ T
J
≤ +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
T
J = 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 ≤ T
J
≤
+125˚C
50
120
150
mV
I
Q
Quiescent Current
I
O
≤ 1A
T
J = 25˚C
8
8
8
mA
0˚C
≤ T
J
≤ +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
T
J = 25˚C, IO
≤ 1A
1.0
1.0
1.0
mA
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