How to choose LM5175 buck-boost MOSFET at Vds

How to choose LM5175 buck-boost MOSFET，E.g Vin:9~36V Vo:12V/10A

How to choose MOSFET QH1 QL1 Vds 60V or 40V  or other ???

How about choose Vds at QH2 QL2??  

Kevin Shi：

Hi,

Thanks for using TI's power product. I would suggest you to ask questions about LM5175 in power management forum. The link is added blew:

https://e2echina.ti.com/question_answer/analog/power_management/

Thanks very much