LM317 datasheet(5/12 Pages) ONSEMI

Part #	LM317

Description	1.5 A Adjustable Output, Positive Voltage Regulator

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LM317

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5

Figure 5. Load Regulation

Figure 6. Current Limit

Figure 7. Adjustment Pin Current

Figure 8. Dropout Voltage

Figure 9. Temperature Stability

Figure 10. Minimum Operating Current

Vin = 15 V

Vout = 10 V

0.4

0.2

0

-0.2

-0.4

-0.6

-0.8

-1.0

4.0

3.0

2.0

1.0

0

70

65

60

55

50

45

40

35

3.0

2.5

2.0

1.5

1.0

1.26

1.25

1.24

1.23

1.22

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

-50

-25

0

25

50

75

100 125

150

TJ, JUNCTION TEMPERATURE (°C)

010

20

30

40

Vin-Vout, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)

-50 -25

0

25

50

75

100 125 150

TJ, JUNCTION TEMPERATURE (°C)

-50 -25

0

25

50

75

100 125 150

TJ, JUNCTION TEMPERATURE (°C)

-50 -25

0

25

50

75

100 125 150

TJ, JUNCTION TEMPERATURE (°C)

010

20

30

40

Vin-Vout, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)

1.0 A

+150°C

IL = 0.5 A

IL = 1.5 A

55°C

150°C

TJ = 25°C

∆Vout = 100 mV

IL = 1.5 A

500 mA

200 mA

20 mA

+25°C

TJ = -55°C

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