Hello Johnson,
Cost is not only driven by technical parameters you can find in the datasheet. So price discussions are not part of this forum.
From the design parameters you mention above, it seems that the LMR62421 should be able to fulfill them…
Other Parts Discussed in Thread: LMR62421XSDDEMO , LMR62421 Can I get a recommendation for a boost chip?
I am trying to make a stable 12 V power rail from a 5V/2A power supply for an audio amplifier. The LMR62421xsddemo has enough average power for…