LM2937
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Continuous
Transient (t
≤
100 ms)
Internal Power Dissipation (Note 2)
Maximum Junction Temperature
Storage Temperature Range
TO-220 (10 seconds)
26V
60V
Internally Limited
150˚C
−65˚C to +150˚C
260˚C
TO-263 (10 seconds)
SOT-223 (Vapor Phase, 60 seconds)
SOT-223 (Infared, 15 seconds)
ESD Susceptibility (Note 3)
230˚C
215˚C
220˚C
2 kV
Operating Conditions
(Note 1)
Temperature Range (Note 2)
LM2937ET, LM2937ES
LM2937IMP
Maximum Input Voltage
−40˚C
≤
T
J
≤125˚C
−40˚C
≤
T
J
≤85˚C
26V
Electrical Characteristics
V
IN
= V
NOM
+ 5V, (Note 4) I
OUTmax
= 500 mA for the TO-220 and TO-263 packages, I
OUTmax
=400mA for the SOT-223 pack-
age, C
OUT
= 10 µF unless otherwise indicated.
Boldface limits apply over the entire operating temperature range of the
indicated device.,
all other specifications are for T
A
= T
J
= 25˚C.
Output Voltage (V
OUT
)
Parameter
Output Voltage
Conditions
5 mA
≤
I
OUT
≤
I
OUTmax
5.00
Typ
5V
Limit
4.85
4.75
5.15
5.25
Line Regulation
Load Regulation
Quiescent Current
(V
OUT
+ 2V)
≤
V
IN
≤
26V,
I
OUT
= 5 mA
5 mA
≤
I
OUT
≤
I
OUTmax
(V
OUT
+ 2V)
≤
V
IN
≤
26V,
I
OUT
= 5 mA
V
IN
= (V
OUT
+ 5V),
I
OUT
= I
OUTmax
Output Noise
Voltage
Long Term Stability
Dropout Voltage
Short-Circuit Current
Peak Line Transient
Voltage
Maximum Operational
Input Voltage
Reverse DC
Input Voltage
Reverse Transient
Input Voltage
t
r
<
1 ms, R
L
= 100Ω
−75
−50
−75
−50
−75
−50
V(Min)
V
OUT
≥
−0.6V, R
L
= 100Ω
−30
−15
−30
−15
−30
−15
V(Min)
26
26
26
V(Min)
t
f
<
100 ms, R
L
= 100Ω
10 Hz–100 kHz
I
OUT
= 5 mA
1000 Hrs.
I
OUT
= I
OUTmax
I
OUT
= 50 mA
20
0.5
110
1.0
75
1.0
250
0.6
60
32
0.5
110
1.0
75
1.0
250
0.6
60
40
0.5
110
1.0
75
1.0
250
0.6
60
mV
V(Max)
mV(Max)
A(Min)
V(Min)
150
240
300
µVrms
10
20
10
20
10
20
mA(Max)
5
2
50
10
8
2
80
10
10
2
100
10
mV(Max)
mA(Max)
15
50
24
8.00
Typ
8V
Limit
7.76
7.60
8.24
8.40
80
30
10.00
Typ
10V
Limit
9.70
9.50
10.30
10.50
100
V(Min)
V(Min)
V(Max)
V(Max)
mV(Max)
Units
3
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