LM3S317 Datasheet, PDF (359/379 Pages) List of Unclassifed Manufacturers – Microcontroller

18 Operating Characteristics
LM3S317 Data Sheet
Table 18-1. Temperature Characteristics
Characteristic
Operating temperature range^a
a. Maximum storage temperature is 150°C.
Symbol
T_A
Value
Unit
-40 to +85 for industrial
°C
Table 18-2. Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance (junction to ambient)^a
θ_JA
76
°C/W
Average junction temperature^b
T_J
T_A + (P_AVG • θ_JA)
°C
Maximum junction temperature
T_JMAX
105^c
°C
a. Junction to ambient thermal resistance θ_JA numbers are determined by a package simulator.
b. Power dissipation is a function of temperature.
c. T_JMAX calculation is based on power consumption values and conditions as specified in “Power Specifications” on page 362 of
the data sheet.
May 4, 2007
359
Preliminary