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TPS62110-HT: synchronous buck converter

Part Number: TPS62110-HT
Other Parts Discussed in Thread: TPS62110

hi everyone,

I'm running a Trial version of PSpice. I downloaded PSpice model and a project example TPS62110 PSpice Model (Rev. B). the simulation is for a downhole application (high temperature) knowing that the TPS62110-HT buck converter withstand to 175°C i runned the simulation for 150°C and i had this error "INTERNAL ERROR -- Overflow in device X_U1.D_U2_D1, Convert"

i used transient model for the TPS62110 and i runned the simulation in Time domaine (transient),  i used autoconvergence and put DMFACTOR =0.001.