LM317LZ 查看數據表（PDF） - Motorola => Freescale
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LM317LZ Datasheet PDF : 12 Pages
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LM317L
Figure 11. Temperature Stability
1.260
1.250
1.240
1.230
1.220
Vin = 4.2 V
Vout = Vref
IL = 5.0 mA
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Adjustment Pin Current
80
70
Vin = 6.25 V
Vout = Vref
65
IL = 10 mA
IL = 100 mA
60
55
50
45
40
35
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. Line Regulation
0.4
Vin = 4.25 V to 41.25 V
Vout = Vref
0.2
IL = 5 mA
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 14. Output Noise
Bandwidth 100 Hz to 10 kHz
10
8.0
6.0
4.0
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 15. Line Transient Response
1.5
1.0
0.5
CL = 1 µF
0
–0.5
–1.0
Vout = 1.25 V
–1.5
IL = 20 mA
TJ = 25°C
1.0
0.5
CL = 0
Vin
0
0
10
20
30
40
t, TIME (µs)
Figure 16. Load Transient Response
0.3
0.2 CL = 1 µF; CAdj = 10 µF
0.1
0
Vin = 15 V
–0.1
–0.2
CL = 0.3 µF; CAdj = 10 µF
Vout = 10 V
INL = 50 mA
TJ = 25°C
–0.3
100
50
IL
0
0
10
20
30
40
t, TIME (µs)
6
MOTOROLA ANALOG IC DEVICE DATA
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