Automotive always-on dc-dc controllers need only a few µA

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Renesas has introduced a pair of automotive dc-dc converter chips with low operating current for ‘always-on’ applications. Both are designed to work with external mosfet power stages. ISL78264 is a 50W-200W synchronous dual buck controller intended to manage the intermediate first stage dc-dc conversion, stepping down the 12V battery system to 5V and 3.3V to …

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