LM2931 데이터 시트보기 (PDF) - Motorola => Freescale
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LM2931 Datasheet PDF : 16 Pages
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LM2931 Series
Figure 7. Bias Current versus Input Voltage
12
10
Vout = 5.0 V
TJ = 25°C
8.0
6.0
RL = 50 Ω
4.0
RL = 100 Ω
2.0
RL = 500 Ω
0
–20 –10 0 10 20 30 40 50 60
Vin, INPUT VOLTAGE (V)
Figure 8. Bias Current versus Output Current
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 9. Bias Current versus Junction Temperature
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 10. Output Impedance versus Frequency
2.0
Vin = 14 V
1.6
Vout = 5.0 V
IO = 10 mA
DIO = 1.0 mA
1.2
CO = 100 µF
TJ = 25°C
0.8
CO(ESR) = 0.15 Ω
CO(ESR) = 0.3 Ω
Tantulum
0.4
Electrolytic
0
10
100
1.0 k
10 k
100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 11. Ripple Rejection versus Frequency
95
85
Vin = 14 V
75 Vout = 5.0 V
DVin = 100 mV
RL = 500 Ω
65
CO = 100 µF
TJ = 25°C
55
10
100
1.0 k
CO(ESR) = 0.15 Ω
Tantulum
CO(ESR) = 0.3 Ω
Electrolytic
10 k
100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 12. Ripple Rejection versus Output Current
95
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)
6
MOTOROLA ANALOG IC DEVICE DATA
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