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LM2940IMPX-8.0 データシートの表示(PDF) - National ->Texas Instruments

部品番号コンポーネント説明メーカー
LM2940IMPX-8.0 1A Low Dropout Regulator National-Semiconductor
National ->Texas Instruments National-Semiconductor
LM2940IMPX-8.0 Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Output Voltage (VO)
Parameter
Conditions
Dropout Voltage
Short Circuit
Current
Maximum Line
Transient
Reverse Polarity
DC Input Voltage
Reverse Polarity
Transient Input
Voltage
IO = 1A
IO = 100 mA
(Note 7)
RO = 100Ω
T 100 ms
LM2940
LM2940C
RO = 100Ω
LM2940
LM2940C
RO = 100Ω
T 100 ms
LM2940
LM2940C
9V
LM2940
Typ
Limit
(Note 5)
0.5
0.8/1.0
110
150/200
1.9
1.6
10V
LM2940
Typ
Limit
(Note 5)
0.5
0.8/1.0
110
150/200
1.9
1.6
Units
VMAX
mVMAX
AMIN
75
60/60
75
55
45
−30
−15/−15
−30
−30
−15
−75
−50/−50
−75
−55
−45/−45
60/60
−15/−15
−50/−50
VMIN
VMIN
VMIN
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
LM2940 LM2940/833
LM2940 LM2940/833 Units
Typ
Limit
Limit
Typ
Limit
Limit
(Note 5)
(Note 6)
(Note 5)
(Note 6)
Output Voltage
5 mA IO 1A
Line Regulation
Load Regulation
VO + 2V VIN 26V,
IO = 5 mA
50 mA IO 1A
LM2940, LM2940/883
LM2940C
13.6V VIN 26V
16.75V VIN 26V
12.00 11.64/11.40 11.64/11.40 15.00 14.55/14.25 14.55/14.25
12.36/12.60 12.36/12.60
15.45/15.75 15.45/15.75
20
120
75/120
20
150
95/150
VMIN
VMAX
mVMAX
55 120/200
120/190
55
120
70
150
150/240 mVMAX
Output
100 mADC and
Impedance
Quiescent
Current
20 mArms,
fO = 120 Hz
VO +2V VIN 26V,
IO = 5 mA
LM2940, LM2940/883
LM2940C
80
1000/1000 100
10
15/20
10
15
15/20
10
15
1000/1000 mΩ
15/20
mAMAX
Output Noise
Voltage
VIN = VO + 5V, IO = 1A
10 Hz − 100 kHz,
IO = 5 mA
30
45/60
50/60
30
45/60
50/60
mAMAX
360
1000/1000 450
1000/1000 μVrms
5
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