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Wide VIN/4A+ Buck w/ "Pass-Through" Mode

Other Parts Discussed in Thread: TPS53318

Hi Team,

One of my customers is looking for a buck-converter solution for the following design requirements:

Vin = 3V to 24V+
Vout = 5V (pass-through when Vin reaches maximum duty cycle)
Iout = 4A

Customer prefers QFN/BGA lead less packages.  Do you have a recommendation for this supply?

We've looked at a few different solutions - such as our TPS53318 (22V), but they'd rather not supply 4.5V to VDD.

Thoughts?

Best Regards,
Brian Gosselin
AFA Bay Area