LM317

SLVS044W – SEPTEMBER 1997 – REVISED OCTOBER 2014

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7 Specifications

7.1 Absolute Maximum Ratings

over virtual junction temperature range (unless otherwise noted)

(1)

MIN

MAX

UNIT

Input-to-output differential voltage

40

V

Operating virtual junction temperature

150

°C

Lead temperature 1,6 mm (1/16 in) from case for 10 s

260

°C

Storage temperature range

–65

150

°C

(1)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating

Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

7.2 ESD Ratings

MAX

UNIT

2500

Electrostatic discharge

V

Charged device model (CDM), per JEDEC specification JESD22-C101,

1000

(1)

JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

(2)

JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

MIN

MAX

UNIT

Output voltage

1.25

7

V

Input-to-output differential voltage

3

40

V

Output current

1.5

A

Operating virtual junction temperature

0

125

°C

7.4 Thermal Information

LM317

DCY

KCS

KTT

UNIT

4 PINS

4 PINS

4 PINS

Junction-to-ambient thermal resistance

53

19

25.3

Junction-to-case (top) thermal resistance

30.6

17

18

°C/W

Junction-to-case (bottom) thermal resistance

—

3

1.94

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953).

4

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