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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
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Output Voltage (VO)
Parameter
Conditions
Short Circuit
Current
Maximum Line
Transient
Reverse Polarity
DC Input Voltage
Reverse Polarity
Transient Input
Voltage
(Note 7)
RO = 100Ω
LM2940, T 100 ms
LM2940/883, T 20 ms
LM2940C, T 1 ms
RO = 100Ω
LM2940, LM2940/883
LM2940C
RO = 100Ω
LM2940, T 100 ms
LM2940/883, T 20 ms
LM2940C, T 1 ms
5V
8V
LM2940 LM2940/883
LM2940 LM2940/883 Units
Typ Limit
Limit
Typ Limit
Limit
(Note 5)
(Note 6)
(Note 5)
(Note 6)
1.9
1.6
1.5/1.3
1.9
1.6
1.6/1.3
AMIN
75
60/60
55
45
40/40
75
60/60
55
45
40/40
−30 −15/−15
−30
−15
−15/−15
−30 −15/−15
−30
−15
−15/−15
−75 −50/−50
−55 −45/−45
−45/−45
−75 −50/−50
−45/−45
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)
9V
10V
Parameter
Conditions
LM2940
Typ
Limit
Typ
LM2940
Limit
Units
(Note 5)
(Note 5)
Output Voltage
Line Regulation
Load Regulation
5 mA IO 1A
VO + 2V VIN 26V,
IO = 5 mA
50 mA IO 1A
LM2940
LM2940C
10.5V VIN 26V
9.00
8.73/8.55
9.27/9.45
20
90
11.5V VIN 26V
10.00
9.70/9.50
10.30/10.50
20
100
VMIN
VMAX
mVMAX
60
90/150
65
60
90
100/165
mVMAX
Output Impedance
100 mADC and
Quiescent
Current
20 mArms,
fO = 120 Hz
VO +2V VIN < 26V,
IO = 5 mA
LM2940
LM2940C
60
65
mΩ
10
15/20
10
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
45/60
30
270
300
45/60
mAMAX
μVrms
64
52/46
63
64
52
51/45
dBMIN
Long Term
Stability
34
36
mV/
1000 Hr
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