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LM78 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza LM78
Descripción Electrónicos  LM340-N/LM78XX Series 3-Terminal Positive Regulators
Download  28 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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LM78 Datasheet(HTML) 5 Page - Texas Instruments

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LM340-N, LM78xx
www.ti.com
SNOSBT0I – FEBRUARY 2000 – REVISED MARCH 2013
LM140 Electrical Characteristics
(1)
−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
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
≤ VIN ≤ 20)
(15.5
≤ VIN ≤ 27)
(18.5
≤ VIN ≤ 30)
V
ΔVO
Line
IO = 500
TJ = 25°C
3
50
4
120
4
150
mV
Regulation
mA
ΔVIN
(7
≤ VIN ≤ 25)
(14.5
≤ VIN ≤ 30)
(17.5
≤ VIN ≤ 30)
V
−55°C ≤ TJ
50
120
150
mV
+150°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
−55°C ≤ TJ
25
60
75
mV
+150°C
ΔVIN
(8
≤ VIN ≤ 12)
(16
≤ VIN ≤ 22)
(20
≤ VIN ≤ 26)
V
ΔVO
Load
TJ =
5 mA
≤ IO
10
50
12
120
12
150
mV
Regulation
25°C
1.5A
250 mA
≤ IP
25
60
75
mV
750 mA
−55°C ≤ TJ ≤ +150°C,
50
120
150
mV
5 mA
≤ IO ≤ 1A
IQ
Quiescent
IO ≤ 1A
TJ = 25°C
6
6
6
mA
Current
−55°C ≤ TJ
7
7
7
mA
+150°C
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
(8
≤ VIN ≤ 20)
(15
≤ VIN ≤ 27)
(18.5
≤ VIN ≤ 30)
V
IO = 500 mA, −55°C ≤ TJ
0.8
0.8
0.8
mA
+150°C
VMIN ≤ VIN ≤ VMAX
(8
≤ VIN ≤ 25)
(15
≤ VIN ≤ 30)
(18.5
≤ VIN ≤ 30)
V
VN
Output Noise
TA = 25°C, 10 Hz ≤ f ≤ 100
40
75
90
μV
Voltage
kHz
Ripple
f = 120
IO ≤ 1A, TJ =
68
80
61
72
60
70
dB
Rejection
Hz
25°C or
IO ≤ 500 mA,
68
61
60
dB
−55°C ≤ TJ
≤+150°C
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 of
0°C
≤ TJ ≤ +150°C, IO = 5
−0.6
−1.5
−1.8
mV/°C
VOUT
mA
(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.
Copyright © 2000–2013, Texas Instruments Incorporated
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Product Folder Links: LM340-N LM78xx


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