LM137/LM337
Absolute Maximum Ratings
(Notes 1,
LM337
LM337I
Storage Temperature
Lead Temperature (Soldering, 10 sec.)
Plastic Package (Soldering, 4 sec.)
ESD Rating
0˚C to +125˚C
−40˚C to +125˚C
−65˚C to +150˚C
300˚C
260˚C
2k Volts
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Power Dissipation
Input-Output Voltage Differential
Operating Junction Temperature
Range
LM137
Internally Limited
40V
−55˚C to +150˚C
Electrical Characteristics
Parameter
Line Regulation
Load Regulation
Thermal Regulation
Adjustment Pin Current
Adjustment Pin Current Charge
10 mA
≤
I
L
≤
I
MAX
3.0V
≤
|V
IN
− V
OUT
|
≤
40V,
T
A
= 25˚C
Reference Voltage
T
j
= 25˚C (Note 3)
3V
≤
|V
IN
− V
OUT
|
≤
40V, (Note 3)
10 mA
≤
I
OUT
≤
I
MAX
, P
≤
P
MAX
Line Regulation
Load Regulation
Temperature Stability
Minimum Load Current
Current Limit
3V
≤
|V
IN
− V
OUT
|
≤
40V, (Note 2)
10 mA
≤
I
OUT
≤
I
MAX
T
MIN
≤
T
j
≤
T
MAX
|V
IN
− V
OUT
|
≤
40V
|V
IN
− V
OUT
|
≤
10V
|V
IN
− V
OUT
|
≤
15V
K, MP and T Package
H Package
|V
IN
− V
OUT
| = 40V, T
j
= 25˚C
K, MP and T Package
H Package
RMS Output Noise, % of V
OUT
Ripple Rejection Ratio
Long-Term Stability
Thermal Resistance, Junction to
Case
Thermal Resistance, Junction to
Ambient (No Heat Sink)
T
j
= 25˚C, 10 Hz
≤
f
≤
10 kHz
V
OUT
= −10V, f = 120 Hz
C
ADJ
= 10 µF
T
j
= 125˚C, 1000 Hours
H Package
K Package
T Package
H Package
K Package
T Package
MP Package
140
35
66
0.24
0.15
0.4
0.17
0.003
60
77
0.3
12
2.3
1
15
3
66
0.15
0.10
0.4
0.17
0.003
60
77
0.3
12
2.3
4
140
35
50
170
1
15
3
A
A
%
dB
dB
%
˚C/W
˚C/W
˚C/W
˚C/W
˚C/W
˚C/W
˚C/W
1.5
0.5
2.2
0.8
3.5
1.8
1.5
0.5
2.2
0.8
3.7
1.9
A
A
0.02
0.3
0.6
2.5
1.2
5
3
0.05
1
0.02
0.3
0.6
2.5
1.5
10
6
0.07
1.5
%/V
%
%
mA
mA
−1.225 −1.250 −1.275 −1.213 −1.250 −1.287
−1.200 −1.250 −1.300 −1.200 −1.250 −1.300
V
V
Conditions
Min
T
j
= 25˚C, 3V
≤
|V
IN
− V
OUT
|
≤
40V
L
= 10 mA
T
j
= 25˚C, 10 mA
≤
I
OUT
≤
I
MAX
T
j
= 25˚C, 10 ms Pulse
0.3
0.002
65
2
0.5
0.02
100
5
0.3
0.003
65
2
1.0
0.04
100
5
%
%/W
µA
µA
LM137
Typ
0.01
Max
0.02
Min
LM337
Typ
0.01
Max
0.04
%/V
Units
Note 1:
Unless otherwise specified, these specifications apply −55˚C
≤
T
j
≤
+150˚C for the LM137, 0˚C
≤
T
j
≤
+125˚C for the LM337; V
IN
− V
OUT
= 5V; and I
OUT
= 0.1A for the TO-39 package and I
OUT
= 0.5A for the TO-3, SOT-223 and TO-220 packages. Although power dissipation is internally limited, these specifications
are applicable for power dissipations of 2W for the TO-39 and SOT-223 (see Application Hints), and 20W for the TO-3, and TO-220. I
MAX
is 1.5A for the TO-3,
SOT-223 and TO-220 packages, and 0.2A for the TO-39 package.
Note 2:
Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are
covered under the specification for thermal regulation. Load regulation is measured on the output pin at a point
1
⁄
8
" below the base of the TO-3 and TO-39 packages.
Note 3:
Selected devices with tightened tolerance reference voltage available.
www.national.com
2
NSC [ NATIONAL SEMICONDUCTOR ]
