Write your own generic SPICE Power Supplies controller …

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1Write your own generic SPICE Power Supplies controller modelsChristophe BASSONovember 1996Manuscript for PCIM USSimulating the switching behavior of a Switch Mode Power Supply (SMPS) is not always an easy is especially true if the designer wants to use an exact SPICE model for the Pulse Width Modulator(PWM) controller which will be used in the design. The PWM model may exist, but its syntax may beincompatible with your simulator. If the model has not been created, the debate over whether or not to do thesimulation is closed! The solution that is proposed in this article consists of writing your own generic model ofthe PWM controller and then adapting its intrinsic parameters to comply with the real one you are using.

1 Write your own generic SPICE Power Supplies controller models Christophe BASSO November 1996 Manuscript for PCIM US Simulating the switching behavior of a Switch Mode Power Supply (SMPS) is not always an easy task.

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