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High Efficiency Synchronous Buck Converter, 12V Input to 3.3V at 22A using the TPS51117 (PMP2970)
PMP2970 uses the TPS51117 in a synchronous buck converter to generate 3.3V at 22A from a 12V input. The design was originally used in a notebook application which had a 3 cell lithium ion battery for the input. The TPS51117 has a light load efficiency mode to keep the no load losses low in portable applications.