Figure 7-1.
Comparison of Case Temperature versus Sensor Based Specification
48
T a = 4 5 . 1 ° C
T a = 4 5 . 1 ° C
T c o n t r o l
T c o n t r o l
C u r r e n t S p e c if ic a t io n ( C a s e T e m p )
C u r r e n t S p e c if ic a t io n ( C a s e T e m p )
Ψ - c a = 0 . 5 6 4
Ψ - c a = 0 . 5 6 4
T c o n t r o l
T c o n t r o l
S e n s o r B a s e d S p e c if ic a t io n ( D T S T e m p )
S e n s o r B a s e d S p e c if ic a t io n ( D T S T e m p )
Sensor Based Thermal Specification Design Guidance
T a = 3 0 ° C
T a = 3 0 ° C
Ψ - c a = 0 . 2 9 2
Ψ - c a = 0 . 2 9 2
P o w e r
P o w e r
T D P
T D P
Ψ - c a = 0 . 4 4 8
Ψ - c a = 0 . 4 4 8
T a = 3 0 C
T a = 3 0 C
P o w e r
P o w e r
T D P
T D P
Thermal/Mechanical Specifications and Design Guidelines