LM138K-STEEL National Semiconductor Corporation, LM138K-STEEL Datasheet - Page 2

• Manufacturer Part Number: LM138K-STEEL
• Description: 5-amp Adjustable Regulators
• Manufacturer: National Semiconductor Corporation

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V
V
V
I
I
I
V
V
V
V
I
ADJ
LOAD
CL
ADJ
Electrical Characteristics
Specifications with standard type face are for T
ture Range. Unless otherwise specified, V
JC
JA
Electrical Characteristics
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 4)
Power Dissipation
Input/Output Voltage Differential
Storage Temperature
I
V
I
Symbol
REF
RLINE
RLOAD
N
Symbol
REF
RLINE
RLOAD
ADJ
ADJ
R/T
(Min)
Reference Voltage
Line Regulation
Load Regulation
Thermal Regulation
Adjustment Pin Current
Adjustment Pin Current Change
Temperature Stability
Minimum Load Current
Current Limit
RMS Output Noise, % of V
Ripple Rejection Ratio
Long-Term Stability
Thermal Resistance,
Junction to Case
Thermal Resistance, Junction to
Ambient (No Heat Sink)
Reference Voltage
Line Regulation
Load Regulation
Thermal Regulation
Adjustment Pin Current
Adjustment Pin Current Change
Parameter
Parameter
OUT
IN
−65˚C to +150˚C
Internally limited
− V
(Note 1)
J
+40V, −0.3V
OUT
= 25˚C, and those with boldface type apply over full Operating Tempera-
3V
10 mA
3V
10 mA
20 ms Pulse
10 mA
3V
T
V
V
V
10 Hz
V
T
K Package
K Package
3V
10 mA
3V
10 mA
20 ms Pulse
10 mA
3V
V
= 5V; and I
MIN
J
IN
IN
IN
OUT
DC
0.5 ms Peak
OUT
= 125˚C, 1000 Hrs
− V
− V
− V
(V
(V
(V
(V
(V
(V
= 10V, f = 120 Hz, C
= 10V, f = 120 Hz, C
T
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
J
f
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
− V
− V
− V
− V
− V
− V
2
= 35V
= 30V
10 kHz
T
OUT
OUT
OUT
OUT
MAX
OUT
OUT
OUT
Conditions
10V
Conditions
Lead Temperature
ESD Tolerance
Operating Temperature Range
5A, P
5A (Note 3)
5A,
5A, P
5A (Note 3)
5A,
= 10 mA. (Note 2)
Metal Package (Soldering, 10 seconds)
Plastic Package (Soldering, 4 seconds)
LM138
LM338
)
)
)
)
)
)
35V,
35V (Note 3)
35V
35V,
35V (Note 3)
35V
50W
50W
ADJ
ADJ
= 10 µF
= 0 µF
1.19
1.19
Min
Min
60
5
7
LM138
LM338
0.005
0.002
0.003
0.005
0.002
−55˚C
1.24
0.02
1.24
0.02
Typ
Typ
0.1
0.3
0.2
3.5
0.3
0.1
0.3
0.2
45
12
60
75
35
45
1
8
1
0˚C
T
T
Max
0.01
0.04
0.01
0.03
0.06
0.02
1.29
Max
1.29
100
100
0.3
0.6
0.5
J
J
5
5
1
1
1
1
5
+150˚C
+125˚C
300˚C
260˚C
Units
Units
˚C/W
˚C/W
%/W
%/W
%/V
%/V
%/V
%/V
TBD
mA
µA
µA
dB
dB
µA
µA
%
%
%
%
%
%
%
V
A
A
A
V