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What is 5962-9088401QEA?

This electronic component, produced by the manufacturer "National Semiconductor", performs the same function as "1A Low Dropout Regulator".


5962-9088401QEA Datasheet PDF - National Semiconductor

Part Number 5962-9088401QEA
Description 1A Low Dropout Regulator
Manufacturers National Semiconductor 
Logo National Semiconductor Logo 


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March 2000
LM2940/LM2940C
1A Low Dropout Regulator
General Description
The LM2940/LM2940C positive voltage regulator features
the ability to source 1A of output current with a dropout volt-
age of typically 0.5V and a maximum of 1V over the entire
temperature range. Furthermore, a quiescent current reduc-
tion circuit has been included which reduces the ground cur-
rent when the differential between the input voltage and the
output voltage exceeds approximately 3V. The quiescent
current with 1A of output current and an input-output differ-
ential of 5V is therefore only 30 mA. Higher quiescent cur-
rents only exist when the regulator is in the dropout mode
(VIN − VOUT 3V).
Designed also for vehicular applications, the LM2940/
LM2940C and all regulated circuitry are protected from re-
verse battery installations or 2-battery jumps. During line
transients, such as load dump when the input voltage can
momentarily exceed the specified maximum operating volt-
age, the regulator will automatically shut down to protect
both the internal circuits and the load. The LM2940/
LM2940C cannot be harmed by temporary mirror-image in-
sertion. Familiar regulator features such as short circuit and
thermal overload protection are also provided.
Features
n Dropout voltage typically 0.5V @IO = 1A
n Output current in excess of 1A
n Output voltage trimmed before assembly
n Reverse battery protection
n Internal short circuit current limit
n Mirror image insertion protection
n P+ Product Enhancement tested
Typical Application
DS008822-3
*Required if regulator is located far from power supply filter.
**COUT must be at least 22 µF to maintain stability. May be increased without bound to maintain regulation during transients. Locate as close as possible
to the regulator. This capacitor must be rated over the same operating temperature range as the regulator and the ESR is critical; see curve.
Ordering Information
Temperature
Range
0˚C TJ 125˚C
−40˚C TJ 125˚C
−40˚C TJ 85˚C
SOT-223 Package
Marking
Output Voltage
Package
5.0 8.0 9.0 10 12 15
LM2940CT-5.0
LM2940CT-9.0
LM2940CT-12 LM2940CT-15 TO-220
LM2940CS-5.0
LM2940CS-9.0
LM2940CS-12 LM2940CS-15 TO-263
LM2940T-5.0 LM2940T-8.0 LM2940T-9.0 LM2940T-10 LM2940T-12
TO-220
LM2940S-5.0 LM2940S-8.0 LM2940S-9.0 LM2940S-10 LM2940S-12
TO-263
LM2940IMP-5.0 LM2940IMP-8.0 LM2940IMP-9.0 LM2940IMP-10 LM2940IMP-12 LM2940IMP-15 SOT-223
LM2940IMPX-5.0 LM2940IMPX-8.0 LM2940IMPX-9.0 LM2940IMPX-10 LM2940IMPX-12 LM2940IMPX-15 SOT-223
in Tape
and Reel
L53B
L54B
L0EB
L55B
L56B
L70B
The physical size of the SOT-223 is too small to contain the full device part number. The package markings indicated are what will appear on the actual device.
Temperature
Range
−55˚C TJ 125˚C
5.0
LM2940J-5.0/883
5962-8958701EA
LM2940WG5.0/883
5962-8958701XA
Output Voltage
8.0 12
LM2940J-8.0/883
5962-9088301QEA
LM2940J-12/883
5962-9088401QEA
15
LM2940J-15/883
5962-9088501QEA
Package
J16A
WG16A
For information on military temperature range products, please go to the Mil/Aero Web Site at http://www.national.com/appinfo/milaero/index.html.
© 2000 National Semiconductor Corporation DS008822
www.national.com

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5962-9088401QEA equivalent
Electrical Characteristics (Continued)
VIN = VO + 5V, IO = 1A, CO = 22 µF, unless otherwise specified. Boldface limits apply over the entire operating tempera-
ture range of the indicated device. All other specifications apply for TA = TJ = 25˚C.
Output Voltage (VO)
Parameter
Conditions
9V
LM2940
Typ Limit
10V
LM2940
Typ Limit
Units
(Note 4)
(Note 4)
Short Circuit
Current
(Note 6)
1.9 1.6
1.9
1.6
AMIN
Maximum Line
Transient
RO = 100
T 100 ms
LM2940
LM2940C
75 60/60
55 45
75
60/60
VMIN
Reverse Polarity
DC Input Voltage
RO = 100
LM2940
LM2940C
−30 −15/−15
−30 −15
−30
−15/−15
VMIN
Reverse Polarity
Transient Input
RO = 100
T 100 ms
Voltage
LM2940
LM2940C
−75 −50/−50
−55 −45/−45
−75
−50/−50
VMIN
Electrical Characteristics
VIN = VO + 5V, IO = 1A, CO = 22 µF, unless otherwise specified. Boldface limits apply over the entire operating tempera-
ture range of the indicated device. All other specifications apply for TA = TJ = 25˚C.
Output Voltage (VO)
Parameter
Conditions
12V 15V
LM2940 LM2940/833
LM2940 LM2940/833
Units
Typ Limit
Limit Typ Limit
Limit
(Note 4)
(Note 5)
(Note 4)
(Note 5)
Output Voltage
Line Regulation
Load Regulation
5 mA IO 1A
VO + 2V VIN 26V,
IO = 5 mA
50 mA IO 1A
LM2940, LM2940/883
LM2940C
12.00
20
13.6V VIN 26V
11.64/11.40 11.64/11.40
12.36/12.60 12.36/12.60
120 75/120
15.00
20
16.75V VIN 26V
14.55/14.25 14.55/14.25
15.45/15.75 15.45/15.75
150 95/150
VMIN
VMAX
mVMAX
55 120/200
55 120
120/190
70
150
150/240 mVMAX
Output
100 mADC and
Impedance
20 mArms,
80
1000/1000 100
1000/1000 m
Quiescent
Current
fO = 120 Hz
VO +2V VIN 26V,
IO = 5 mA
LM2940, LM2940/883
LM2940C
10
10
15/20
15
15/20
10
15
15/20
mAMAX
Output Noise
Voltage
Ripple Rejection
VIN = VO + 5V, IO = 1A
10 Hz − 100 kHz,
IO = 5 mA
fO = 120 Hz, 1 Vrms,
IO = 100 mA
LM2940
LM2940C
30
360
66
66
45/60
54/48
54
50/60
1000/1000
30
450
64
45/60
52
50/60
1000/1000
mAMAX
µVrms
dBMIN
fO = 1 kHz, 1 Vrms,
IO = 5 mA
52/46
48/42
dBMIN
5 www.national.com


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5962-9088401QEAThe function is 1A Low Dropout Regulator. National SemiconductorNational Semiconductor

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