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TPS543A26T: TPS548B23 High efficiency buck in 12V to 0.8V

Part Number: TPS543A26T
Other Parts Discussed in Thread: TPS548B23, TPS548A28

Tool/software:

Hi,

I would like to find High efficiency buck in 12V to 0.8V(6~8A). HW control is fine.

Now I found TPS543A26T seems it is the highest efficiency buck in this range.

or TPS548B23 is possible to provide better efficiency? Please give us your recommendation if there have better solution. Thanks!

Jeff