2

Maximum ratings

Table 1. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VI - VO

Input-reference differential voltage

40

V

IO

Output current

Internally limited

A

TOP

Operating junction temperature for:

LM217

- 25 to 150

°C

LM317

0 to 125

LM317B

-40 to 125

PD

Power dissipation

Internally limited

TSTG

Storage temperature

- 65 to 150

°C

Note:

Absolute maximum ratings are those values beyond which damage to the device may occur. Functional

operation under these condition is not implied.

Table 2. Thermal data

Symbol

Parameter

D²PAK

TO-220

TO-220FP

SOT223

Unit

RthJA

Thermal resistance junction-

ambient

62.5

50

60

110

°C/W

RthJC

Thermal resistance junction-case

3

5

5

15

°C/W

LM217, LM317

Maximum ratings

DS0433 - Rev 22

page 3/34