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LM2940CT-9.0 Fiches technique(PDF) 6 Page - Texas Instruments

No de pièce LM2940CT-9.0
Description  LM2940-N/LM2940C 1A Low Dropout Regulator
Download  35 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM2940CT-9.0 Fiches technique(HTML) 6 Page - Texas Instruments

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LM2940-N, LM2940C
SNVS769I – MARCH 2000 – REVISED APRIL 2013
www.ti.com
Electrical Characteristics (continued)
VIN = VO + 5V, IO = 1A, CO = 22 μF, unless otherwise specified. Boldface limits apply over the entire operating
temperature range of the indicated device. All other specifications apply for TA = TJ = 25°C.
Output Voltage (VO)
9V
10V
LM2940-N
LM2940-N
Units
Parameter
Conditions
Typ
Limit
Typ
Limit
(1)
(1)
Maximum Line Transient
RO = 100Ω
T
≤ 100 ms
LM2940-N
75
60/60
75
60/60
VMIN
LM2940C
55
45
Reverse Polarity
RO = 100Ω
DC Input Voltage
LM2940-N
−30
−15/−15
−30
−15/−15
VMIN
LM2940C
−30
−15
Reverse Polarity
RO = 100Ω
Transient Input Voltage
T
≤ 100 ms
LM2940-N
−75
−50/−50
−75
−50/−50
VMIN
LM2940C
−55
−45/−45
Electrical Characteristics
VIN = VO + 5V, IO = 1A, CO = 22 μF, unless otherwise specified. Boldface limits apply over the entire operating
temperature range of the indicated device. All other specifications apply for TA = TJ = 25°C.
Output Voltage (VO)
12V
15V
Parameter
Conditions
Typ
LM2940-N
LM2940-
Typ
LM2940-N
LM2940-
Units
Limit (1)
N/833
Limit (1)
N/833
Limit (2)
Limit (2)
Output Voltage
13.6V
≤ VIN ≤ 26V
16.75V
≤ VIN ≤ 26V
5 mA
≤ IO ≤1A
12.0
11.64/11.40
11.64/11.40
15.0
14.55/14.25
14.55/14.25
VMIN
0
0
12.36/12.60
12.36/12.60
15.45/15.75
15.45/15.75
VMAX
Line Regulation
VO + 2V ≤ VIN ≤ 26V,
20
120
75/120
20
150
95/150
mVMAX
IO = 5 mA
Load Regulation
50 mA
≤ IO ≤ 1A
LM2940-N, LM2940-N/883
55
120/200
120/190
150/240
mVMAX
LM2940C
55
120
70
150
Output Impedance
100 mADC and
20 mArms,
80
1000/1000
100
1000/1000
m
Ω
fO = 120 Hz
Quiescent
VO +2V ≤ VIN ≤ 26V,
Current
IO = 5 mA
LM2940-N, LM2940-N/883
10
15/20
15/20
15/20
mAMAX
LM2940C
10
15
10
15
VIN = VO + 5V, IO = 1A
30
45/60
50/60
30
45/60
50/60
mAMAX
Output Noise
10 Hz
− 100 kHz,
360
1000/1000
450
1000/1000
μVrms
Voltage
IO = 5 mA
(1)
All limits are specified at TA = TJ = 25°C only (standard typeface) or over the entire operating temperature range of the indicated device
(boldface type). All limits at TA = TJ = 25°C are 100% production tested. All limits at temperature extremes are specified via correlation
using standard Statistical Quality Control methods.
(2)
All limits are specified at TA = TJ = 25°C only (standard typeface) or over the entire operating temperature range of the indicated device
(boldface type). All limits are 100% production tested and are used to calculate Outgoing Quality Levels.
6
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Product Folder Links: LM2940-N LM2940C


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