Today I received an email from Ti with a link to a document on switch mode power supply topopogies. I think others may also find it useful.
This is the link https://www.ti.com/lit/ug/slyu032/slyu032.pdf
https://www.ti.com/lit/ug/slyu032/slyu032.pdf
Les.
This is the link https://www.ti.com/lit/ug/slyu032/slyu032.pdf
https://www.ti.com/lit/ug/slyu032/slyu032.pdf
Les.