Texas Instruments has introduced a 16V input, 40A synchronous DC/DC buck converter with internally compensated ‘advanced-current-mode’ (ACM) control supporting frequency synchronisation. Called TPS543C20, its low resistance high and low-side mosfets contribute to over 90% efficiency from a 40pin, 5 x 7mm 1.5mm high QFN package – which sinks heat through a ground pad. Two of ...

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