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LMR38020: LMR38020 Webbench only goes down to 3.3V

Part Number: LMR38020

Hello,

I am planning on using the LMR38020 to convert 12V to 3.3, 2.5 and 1.1V. The webbench tool does not allow you to go lower than 3.3V even though the data sheet says the part can go down to 1V on Vout. I hand calculated the values for the feedback network but want to make sure that this will work down to 1.1V on Vout or is webbench stopping me because the part won't work at that low of a voltage on Vout.