Use of Two-Resistor Thermal Model for Estimating Junction Temperature of an Electronic Component

Hi folks,
I have been using a simple single resistor (ThetaJA) model to estimate
junction temperatures. I am now seeing quite a bit of information
coming out on using a two-resistor, ThetaJC and ThetaJB, thermal
model. Do any of you have experience with this? I have been looking
for a reference that actually works through a decent example (i.e.
real component, real PCB, real ambient). Have any of you seen such a
reference?
I do have board and ambient temperature data. Any experience with the
accuracy of these predictions?
Thanks!
Reply to
biff
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