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TPS709: will the output stabilize to 1.8V when Vin=2.7V?

Part Number: TPS709

Dear team,

My customer's condition is Vin =2.7-28V, Vout=1.8V, Iout=10mA. When I use the webench to simulate, the Vin_min must be larger than 3V, or the design will report error. I want to know if the following design is used, will the output stabilize to 1.8V when Vin=2.7V?  If not, what should I change, input capacitor, output capacitor?

Thanks & Best Regards,

Sherry