LM2931(2007) データシートの表示（PDF） - ON Semiconductor
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LM2931
(Rev.:2007)
(Rev.:2007)
ON Semiconductor
LM2931 Datasheet PDF : 23 Pages
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LM2931, NCV2931 Series
12
10
Vout = 5.0 V
TJ = 25°C
8.0
6.0
RL = 50 W
4.0
RL = 100 W
2.0
RL = 500 W
0
−20 −10 0 10 20 30 40 50 60
Vin, INPUT VOLTAGE (V)
Figure 7. Bias Current versus Input Voltage
8.0
6.0
Vin = 14 V
Vout = 5.0 V
TJ = 25°C
4.0
2.0
0
0
20
40
60
80
100
IO, OUTPUT CURRENT (mA)
Figure 8. Bias Current versus Output Current
8.0
6.0
IO = 100 mA
Vin = 14 V
Vout = 5.0 V
4.0
IO = 50 mA
2.0
IO = 0 mA
0
−55 −25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Bias Current versus Junction Temperature
2.0
Vin = 14 V
1.6
Vout = 5.0 V
IO = 10 mA
DIO = 1.0 mA
1.2
CO = 100 mF
TJ = 25°C
0.8
CO(ESR) = 0.15 W
CO(ESR) = 0.3 W
Tantulum
0.4
Electrolytic
0
10
100
1.0 k
10 k
100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 10. Output Impedance versus Frequency
95
95
85
Vin = 14 V
75 Vout = 5.0 V
DVin = 100 mV
RL = 500 W
65
CO = 100 mF
TJ = 25°C
CO(ESR) = 0.15 W
Tantulum
CO(ESR) = 0.3 W
Electrolytic
55
10
100
1.0 k
10 k
100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 11. Ripple Rejection versus Frequency
85
Vin = 14 V
75
Vout = 5.0 V
f = 120 Hz
TJ = 25°C
65
0
20
40
60
80
100
IO, OUTPUT CURRENT (mA)
Figure 12. Ripple Rejection versus Output Current
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