Maximum ratings

LM117/LM217/LM317

4/25

2

Maximum ratings

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.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

Input-reference differential voltage

40

V

Output current

Internally limited

Operating junction temperature for:

LM117

-55 to 150

°C

LM217

-25 to 150

LM317

0 to 125

Power dissipation

Internally limited

Storage temperature

-65 to 150

°C

Table 3.

Thermal data

Symbol

Parameter

TO-220

TO-220FP

TO-3

Unit

Thermal resistance junction-case

3

3

5

4

°C/W

Thermal resistance junction-ambient

62.5

50

60

35

°C/W