LM317M

http://onsemi.com

2

Rating

Symbol

Value

Unit

Input−Output Voltage Differential

40

Vdc

Power Dissipation (Package Limitation) (Note 1)

Plastic Package, T Suffix, Case 221A

Thermal Resistance, Junction−to−Air

Thermal Resistance, Junction−to−Case

Plastic Package, DT Suffix, Case 369C

Thermal Resistance, Junction−to−Air

Thermal Resistance, Junction−to−Case

Plastic Package, ST Suffix, Case 318E

Thermal Resistance, Junction−to−Air

Thermal Resistance, Junction−to−Case

Internally Limited

70

5.0

Internally Limited

92

5.0

Internally Limited

245

15

°C/W

°C/W

°C/W

°C/W

°C/W

°C/W

Operating Junction Temperature Range

− 40 to +125

°C

Storage Temperature Range

− 65 to +150

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

1. Figure 25 provides thermal resistance versus pc board pad size.