LM317LBZ 查看數據表（PDF） - Motorola => Freescale
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LM317LBZ Datasheet PDF : 12 Pages
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LM317L
Figure 5. Load Regulation
0.4
Vin = 45 V
0.2
Vout = 5.0 V
IL = 5.0 mA to 40 mA
0
–0.2
–0.4
Vin = 10 V
Vout = 5.0 V
–0.6
IL = 5.0 mA to 100 mA
–0.8
–1.0
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Ripple Rejection
80
70
IL = 40 mA
f = 120 Hz
60
Vout = 10 V
Vin = 14 V to 24 V
50
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Current Limit
0.50
TJ = 25°C
0.40
0.30
0.20
TJ = 150°C
0.10
0
0
10
20
30
40
50
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 8. Dropout Voltage
2.5
2.0
IL = 100 mA
1.5
IL = 5.0 mA
1.0
0.5
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Minimum Operating Current
5.0
4.5
4.0 TJ = 55°C
3.5
TJ = 25°C
TJ = 150°C
3.0
2.5
2.0
1.5
1.0
0.5
0
10
20
30
40
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
MOTOROLA ANALOG IC DEVICE DATA
Figure 10. Ripple Rejection versus Frequency
100
90
80
IL = 40 mA
Vin = 5.0 V ± 1.0 VPP
70
Vout = 1.25 V
60
50
40
30
20
10
10 100 1.0 k 10 k 100 k 1.0 M
f, FREQUENCY (Hz)
5
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