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TPS54531: The condition for Transient Model on PSPICE for TI

Guru 19645 points
Part Number: TPS54531

I simulating TPS54531 transient model on PSPICE for TI.

These model is described test only Vin: 8V to 28V, can this model use and simulation on 5Vin setting?

I try to set Vin:4.75V, Vout: 3.3V, Iout: ~5A simulation, changed points are V2:4.75V and RLOAD (1A, 3A, 5A) only.  

Test results; 1A and 5A setting are normally, but 3A simulation was stopped on 4ms timing.

・Iout:3A (failed on 4ms timing)

・Iout:5A

I want to know 3A condition is affect by TPS54531's operation or the limitation of simulation model.

Best regards,

Satoshi