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Número de pieza
componentes Descripción
LM138 Ver la hoja de datos (PDF) - Semelab - > TT Electronics plc
Número de pieza
componentes Descripción
Fabricante
LM138
5 AMP POSITIVE ADJUSTABLE VOLTAGE REGULATOR
Semelab - > TT Electronics plc
LM138 Datasheet PDF : 6 Pages
1
2
3
4
5
6
IP138A SERIES
IP138A SERIES
IP338A SERIES
IP338A SERIES
LM138 SERIES
TYPICAL PERFORMANCE CHARACTERISTICS
Load Regulation
0.1
Output Impedance
10
0
I
OUT
= 3A
0.1
I
OUT
= 5A
0.2
0.3
V
IN
= 15V
0.4
V
OUT
= 10V
PRELOAD = 50mA
0.5
-75 -50 -25
0 25 50 75 100 125 150
Temperature (˚C)
Droput Voltage
4
∆
V
OUT
= 100mV
1
C
ADJ
= 0
C
OUT
= 0
0.1
0.01
0.001
C
ADJ
= 10
µ
F
C
OUT
= 10
µ
F
0.0001
10
100
V
IN
= 15V
V
OUT
=10V
I
OUT
= 500mA
1k
10k
100k
1M
Frequency (Hz)
Temperature Stability
1.27
1.26
3
I
OUT
= 5A
1.25
2
I
OUT
= 1A
I
OUT
= 3A
1.24
1
-75 -50 -25
0 25 50 75 100 125 150
Temperature (
˚
C)
Ripple Rejection
80
C
ADJ
= 10
µ
F
70
C
ADJ
= 0
60
50
V
IN
= 15V
V
OUT
=10V
T
CASE
= 25
˚
C
f = 120Hz
40
0.1
1
10
Output Current (A)
1.23
-50 -25 0
25 50 75
Temperature (
˚
C)
100 125 150
Ripple Rejection
100
C
ADJ
= 10
µ
F
80
60
C
ADJ
= 0
40
V
IN
-V
OUT
= 5V
20
I
OUT
= 500mA
f = 120Hz
T
J
= 25
˚
C
0
0
5
10 15 20 25 30 35
Output Voltage (V)
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Adjustment Current
65
60
55
50
45
40
35
30
-75 -50 -25
0 25 50 75 100 125 150
Temperature (
˚
C)
Minimum Operating Current
5
4
3
T
J
= 150
˚
C
T
J
= 25
˚
C
2
T
J
= -55
˚
C
1
0
0
5 10 15 20 25 30 35 40
Input
–
Output Differential (V)
Ripple Rejection
100
80
60
C
ADJ
= 0
C
ADJ
= 10
µ
F
40
20
V
IN
= 15V
V
OUT
= 10V
I
OUT
= 500mA
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Prelim. 4/96
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