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TPS543B20: TPS543B20 Design details

Part Number: TPS543B20

Hi,

We are using TPS543B20RVFT regulator for our design as it is used for sensing the output voltage through load.

We need a output voltage of 1.1V in non-stackable mode, we want to know how to calculate the resistor for ILIM and RAMP selection, the reference values are mentioned in the datasheet but need to know how it was calculated and also which values to be used. Do we need to connect SYNC pin for non-stackable mode or it can be left unconnected, as in datasheet SYNC pin is mentioned only for stackable operations. And also which switching frequency is better to use.

For MODE pin, which pin-strapping can be selected from the below table.

Kindly guide us in designing the regulator.

Thanks

S Sathya shree