synchronous dual buck controller.
sensitive to switching frequency. PFM operation disables negative inductor current and additionally skips pulses at ligh.
The MAX17232/MAX17233 offers dual synchronous stepdown DC-DC controllers with integrated MOSFETs. They operates over a 3.5V to 36V input voltage range with 42V input transient protection, and can operate in dropout condition by running at 95% duty cy.
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