A 9ns minimum on-time has allowed Rohm to offer a 60Vto 2.5V dc-dc converter – a 24:1 step-down ratio – that runs at 2MHz, claiming this to be a world first.Worst case minimum on-time is 20ns. Called BD9V100MUF-C, the BiCDMOS chip includes output mosfets and is aimed at 48V automotive systems. 2MHz operation keeps it ...

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