Power Dissipation Calculation for TLF30682QVS01

A thermal simulation based on a large signal transient switching model to predict power loss
and junction temperature at user defined electrical conditions

  • Define electrical parameters and select parts
  • Click on „Steady-State“ to view Simulation results
  • Want more variations? Change circuit configuration
  • Click on 'Hold result' to keep trace & compare to other Simulation results

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This simulation model is run on all internal regulators at once: the two step-down converters “Buck1” and “Buck2” as well as the boost converter “Boost”. For details on these circuits please refer to the Datasheet. Please be aware that “Buck2” and “Boost” are supplied by the output of “Buck1”. The load current imposed to “Buck1” by these secondary stages is displayed in the result table as “Second stage load”. The losses of all three regulators are added up and dissipated to ambient via “Rth_ja”. Therefore the loss contribution of any stage will increase the junction temperature accordingly. An external diode is necessary to be used for the “Boost” converter. This template does not model the “pulse-skipping feature” on “Buck1”.