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ADJUST

OUTPUT

INPUT

Absolute Maximum Ratings

(1)

Package Thermal Data

(1)

LM317

3-TERMINAL ADJUSTABLE REGULATOR

SLVS044R – SEPTEMBER 1997 – REVISED APRIL 2007

SCHEMATIC DIAGRAM

over virtual junction temperature range (unless otherwise noted)

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.

PACKAGE

BOARD

θ

JA

θ

JC

θ

JP

(2)

PowerFLEX™ (KTE)

High K, JESD 51-5

23

°C/W

3

°C/W

SOT-223 (DCY)

High K, JESD 51-7

53

°C/W

30.6

°C/W

TO-220 (KC/KCS)

High K, JESD 51-5

19

°C/W

17

°C/W

3

°C/W

TO-263 (KTT)

High K, JESD 51-5

25.3

°C/W

18

°C/W

1.94

°C/W

(1)

(2)

For packages with exposed thermal pads, such as QFN, PowerPAD™, or PowerFLEX™,

θ

between the die junction and the bottom of the exposed pad.

2

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