synchronous buck converter.
sensitive to switching frequency. PFM operation disables negative inductor current and additionally skips pulses at ligh.
The MAX17244 high-efficiency, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 3.5V to 36V input voltage range with 42V input transient protection. The device can operate in dropout condition by running at 98% duty cycle..
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