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LM2937ET-5.0 Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LM2937ET-5.0
Spiegazioni elettronici  500 mA Low Dropout Regulator
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

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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
26V
Transient (t
≤ 100 ms)
60V
Internal Power Dissipation (Note 2)
Internally Limited
Maximum Junction Temperature
150˚C
Storage Temperature Range
−65˚C to +150˚C
TO-220 (10 seconds)
260˚C
TO-263 (10 seconds)
230˚C
SOT-223 (Vapor Phase, 60 seconds)
215˚C
SOT-223 (Infared, 15 seconds)
220˚C
ESD Susceptibility (Note 3)
2 kV
Operating Conditions (Note 1)
Temperature Range (Note 2)
LM2937ET,
LM2937ES
−40˚C
≤ T
J ≤125˚C
LM2937IMP
−40˚C
≤ T
J ≤85˚C
Maximum Input Voltage
26V
Electrical Characteristics
V
IN =VNOM + 5V, (Note 4) IOUTmax = 500 mA for the TO-220 and TO-263 packages, IOUTmax=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 =TJ = 25˚C.
Output Voltage (V
OUT)
5V
8V
10V
Units
Parameter
Conditions
Typ
Limit
Typ
Limit
Typ
Limit
Output Voltage
5 mA
≤ I
OUT ≤ IOUTmax
4.85
7.76
9.70
V(Min)
5.00
4.75
8.00
7.60
10.00
9.50
V(Min)
5.15
8.24
10.30
V(Max)
5.25
8.40
10.50
V(Max)
Line Regulation
(V
OUT + 2V) ≤ VIN ≤ 26V,
15
50
24
80
30
100
mV(Max)
I
OUT =5 mA
Load Regulation
5 mA
≤ I
OUT ≤ IOUTmax
5
50
8
80
10
100
mV(Max)
Quiescent Current
(V
OUT + 2V) ≤ VIN ≤ 26V,
2
10
2
10
2
10
mA(Max)
I
OUT =5 mA
V
IN =(VOUT + 5V),
10
20
10
20
10
20
mA(Max)
I
OUT =IOUTmax
Output Noise
10 Hz–100 kHz
150
240
300
µVrms
Voltage
I
OUT =5 mA
Long Term Stability
1000 Hrs.
20
32
40
mV
Dropout Voltage
I
OUT =IOUTmax
0.5
1.0
0.5
1.0
0.5
1.0
V(Max)
I
OUT = 50 mA
110
250
110
250
110
250
mV(Max)
Short-Circuit Current
1.0
0.6
1.0
0.6
1.0
0.6
A(Min)
Peak Line Transient
t
f < 100 ms, RL = 100Ω
75
60
75
60
75
60
V(Min)
Voltage
Maximum Operational
26
26
26
V(Min)
Input Voltage
Reverse DC
V
OUT ≥ −0.6V, RL = 100Ω
−30
−15
−30
−15
−30
−15
V(Min)
Input Voltage
Reverse Transient
t
r < 1 ms, RL = 100Ω
−75
−50
−75
−50
−75
−50
V(Min)
Input Voltage
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