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LM317M Datasheet(PDF) 6 Page - ON Semiconductor

Part No. LM317M
Description  500 mA Adjustable Output, Positive Voltage Regulator
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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LM317M Datasheet(HTML) 6 Page - ON Semiconductor

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LM317M
http://onsemi.com
6
Figure 7. Load Regulation
Figure 8. Ripple Rejection
Figure 9. Current Limit
Figure 10. Dropout Voltage
Figure 11. Minimum Operating Current
Figure 12. Ripple Rejection versus Frequency
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
−50
−25
0
25
50
75
100
125
150
TJ, JUNCTION TEMPERATURE (°C)
Vin = 45 V
Vout = 5.0 V
IL = 5.0 mA to 40 mA
Vin = 10 V
Vout = 5.0 V
IL = 5.0 mA to 100 mA
80
70
60
50
−50
−25
0
25
50
75
100
125
150
TJ, JUNCTION TEMPERATURE (°C)
IL = 100 mA
f = 120 Hz
Vout = 10 V
Vin = 14 V to 24 V
−50
−25
0
25
50
75
100
125
150
TJ, JUNCTION TEMPERATURE (°C)
2.5
2.0
1.5
1.0
0.5
IL = 500 mA
1.0
0.80
0.60
0.40
0.20
0
0
1020304050
Vin−Vout, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V)
TJ = 25°C
TJ = 125°C
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
203040
Vin−Vout, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
100
90
80
70
60
50
40
30
20
10
10
100
1.0 k
10 k
100 k
1.0 M
f, FREQUENCY (Hz)
IL = 40 mA
Vin = 5.0 V ± 1.0 VPP
Vout = 1.25 V
90
Without CAdj = 10 mF
Without CAdj
IL = 100 mA
TJ = 25°C
TJ = 125°C


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