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LM340SX-12 数据表(PDF) 4 Page - Texas Instruments

部件名 LM340SX-12
功能描述  LM340-N/LM78XX Series 3-Terminal Positive Regulators
Download  28 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM340SX-12 数据表(HTML) 4 Page - Texas Instruments

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LM340-N, LM78xx
SNOSBT0I – FEBRUARY 2000 – REVISED MARCH 2013
www.ti.com
LM340A Electrical Characteristics
IOUT = 1A, 0°C ≤ TJ ≤ + 125°C (LM340A) unless otherwise specified
(1)
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
TJ = 25°C
4.9
5
5.1
11.75
12
12.25
14.7
15
15.3
V
Voltage
PD ≤ 15W, 5 mA ≤ IO ≤ 1A
4.8
5.2
11.5
12.5
14.4
15.6
V
VMIN ≤ VIN ≤ VMAX
(7.5
≤ VIN ≤ 20)
(14.8
≤ VIN ≤ 27)
(17.9
≤ VIN ≤ 30)
V
ΔVO
Line
IO = 500 mA
10
18
22
mV
Regulation
ΔVIN
(7.5
≤ VIN ≤ 20)
(14.8
≤ VIN ≤ 27)
(17.9
≤ VIN ≤ 30)
V
TJ = 25°C
3
10
4
18
4
22
mV
ΔVIN
(7.5
≤ VIN ≤ 20)
(14.5
≤ VIN ≤ 27)
(17.5
≤ VIN ≤ 30)
V
TJ = 25°C
4
9
10
mV
Over Temperature
12
30
30
mV
ΔVIN
(8
≤ VIN ≤ 12)
(16
≤ VIN ≤ 22)
(20
≤ VIN ≤ 26)
V
ΔVO
Load
TJ =
5 mA
≤ IO ≤ 1.5A
10
25
12
32
12
35
mV
Regulation
25°C
250 mA
≤ IO
15
19
21
mV
750 mA
Over Temperature,
25
60
75
mV
5 mA
≤ IO ≤ 1A
IQ
Quiescent
TJ = 25°C
6
6
6
mA
Current
Over Temperature
6.5
6.5
6.5
mA
ΔIQ
Quiescent
5 mA
≤ IO ≤ 1A
0.5
0.5
0.5
mA
Current
TJ = 25°C, IO = 1A
0.8
0.8
0.8
mA
Change
VMIN ≤ VIN ≤ VMAX
(7.5
≤ VIN ≤ 20)
(14.8
≤ VIN ≤ 27)
(17.9
≤ VIN ≤ 30)
V
IO = 500 mA
0.8
0.8
0.8
mA
VMIN ≤ VIN ≤ VMAX
(8
≤ VIN ≤ 25)
(15
≤ VIN ≤ 30)
(17.9
≤ VIN ≤ 30)
V
VN
Output Noise
TA = 25°C, 10 Hz ≤ f ≤ 100
40
75
90
μV
Voltage
kHz
Ripple
TJ = 25°C, f = 120 Hz, IO =
68
80
61
72
60
70
dB
Rejection
1A
or f = 120 Hz, IO = 500 mA,
68
61
60
dB
Over Temperature,
VMIN ≤ VIN ≤ VMAX
(8
≤ VIN ≤ 18)
(15
≤ VIN ≤ 25)
(18.5
≤ VIN ≤ 28.5)
V
RO
Dropout
TJ = 25°C, IO = 1A
2.0
2.0
2.0
V
Voltage
Output
f = 1 kHz
8
18
19
m
Ω
Resistance
Short-Circuit
TJ = 25°C
2.1
1.5
1.2
A
Current
Peak Output
TJ = 25°C
2.4
2.4
2.4
A
Current
Average TC
Min, TJ = 0°C, IO = 5 mA
−0.6
−1.5
−1.8
mV/°C
of VO
VIN
Input Voltage
TJ = 25°C
Required to
7.5
14.5
17.5
V
Maintain Line
Regulation
(1)
All characteristics are measured with a 0.22
μF capacitor from input to ground and a 0.1 μF capacitor from output to ground. All
characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%).
Output voltage changes due to changes in internal temperature must be taken into account separately.
4
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM340-N LM78xx


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