TPS55289: Loop stability calculation

liping pan

Part Number: TPS55289

Tool/software:

Hello,

I found the result is loop compensation part different if using formula from datasheet and using calculation excel tool.

why?

0 Mulin Yuan 6 months ago

Hi Liping,

Rsense is not output current sense resistor. You can use 1/(17+Ioutmax/2.5) to calculate Rsense.

Excel tool also considers efficiency, so there will be still some difference.

Regards,

Mulin

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