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LM340-N Datasheet(PDF) 6 Page - Texas Instruments

No. de pieza LM340-N
Descripción Electrónicos  LM340-N/LM78XX Series 3-Terminal Positive Regulators
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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LM340-N Datasheet(HTML) 6 Page - Texas Instruments

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LM340-N, LM78xx
SNOSBT0I – FEBRUARY 2000 – REVISED MARCH 2013
www.ti.com
LM140 Electrical Characteristics
(1) (continued)
−55°C ≤ TJ ≤ +150°C unless otherwise specified
Output Voltage
5V
12V
15V
Symb
Input Voltage (unless otherwise noted)
10V
19V
23V
Units
ol
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
VIN
Input Voltage
TJ = 25°C, IO ≤ 1A
Required to
7.5
14.6
17.7
V
Maintain Line
Regulation
LM340-N Electrical Characteristics
(1)
0°C
≤ TJ ≤ +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
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
(7.5
≤ VIN ≤ 20)
(14.5
≤ VIN ≤ 27)
(17.5
≤ VIN ≤ 30)
V
ΔVO
Line Regulation
IO = 500
TJ = 25°C
3
50
4
120
4
150
mV
mA
ΔVIN
(7
≤ VIN ≤ 25)
(14.5
≤ VIN ≤ 30)
(17.5
≤ VIN ≤ 30)
V
0°C
≤ TJ
50
120
150
mV
+125°C
ΔVIN
(8
≤ VIN ≤ 20)
(15
≤ VIN ≤ 27)
(18.5
≤ VIN ≤ 30)
V
IO ≤ 1A
TJ = 25°C
50
120
150
mV
ΔVIN
(7.5
≤ VIN ≤ 20)
(14.6
≤ VIN ≤ 27)
(17.7
≤ VIN ≤ 30)
V
0°C
≤ TJ
25
60
75
mV
+125°C
ΔVIN
(8
≤ VIN ≤ 12)
(16
≤ VIN ≤ 22)
(20
≤ VIN ≤ 26)
V
ΔVO
Load Regulation TJ =
5 mA
≤ IO
10
50
12
120
12
150
mV
25°C
1.5A
250 mA
≤ IO
25
60
75
mV
750 mA
5 mA
≤ IO ≤ 1A, 0°C ≤ TJ
50
120
150
mV
≤ +125°C
IQ
Quiescent
IO ≤ 1A
TJ = 25°C
8
8
8
mA
Current
0°C
≤ TJ
8.5
8.5
8.5
mA
+125°C
ΔIQ
Quiescent
5 mA
≤ IO ≤ 1A
0.5
0.5
0.5
mA
Current Change
TJ = 25°C, IO ≤ 1A
1.0
1.0
1.0
mA
VMIN ≤ VIN ≤ VMAX
(7.5
≤ VIN ≤ 20)
(14.8
≤ VIN ≤ 27)
(17.9
≤ VIN ≤ 30)
V
IO ≤ 500 mA, 0°C ≤ TJ
1.0
1.0
1.0
mA
+125°C
VMIN ≤ VIN ≤ VMAX
(7
≤ VIN ≤ 25)
(14.5
≤ VIN ≤ 30)
(17.5
≤ VIN ≤ 30)
V
VN
Output Noise
TA = 25°C, 10 Hz ≤ f ≤
40
75
90
μV
Voltage
100 kHz
Ripple Rejection
IO ≤ 1A, TJ =
62
80
55
72
54
70
dB
25°C
f = 120
or IO ≤ 500
62
55
54
dB
Hz
mA,
0°C
≤ TJ
+125°C
VMIN ≤ VIN ≤ VMAX
(8
≤ VIN ≤ 18)
(15
≤ VIN ≤ 25)
(18.5
≤ VIN ≤ 28.5)
V
(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.
6
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Product Folder Links: LM340-N LM78xx


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