Linear applies switched-capacitor step-down topology for inductor-less DC/DC

LTC7820 is, a high power fixed ratio charge pump DC/DC controller that eliminates the power inductor in a non-isolated intermediate bus converter, allowing up to a 50% reduction in circuit size and up to 4000 W/in³ power density. The 72V fixed-ratio DC/DC controller can deliver 500W. Non-isolated regulators and voltage level converters that employ energy storage in capacitors rather than inductors are well- ...

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LTC3895 – Step-down controller handles 150 V

LTC3895 - 150V Low IQ, Synchronous Step-Down DC/DC Controller Features Wide VIN Range: 4V to 140V (150V Abs Max) Wide Output Voltage Range: 0.8V to 60V Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE) Low Operating IQ: 40μA (Shutdown = 10μA) 100% Duty Cycle Operation No External Bootstrap Diode Required Selectable Gate Drive UVLO Thresholds Onboard LDO or External NMOS LDO for DRVCC EXTVCC LDO Powers Dri ...

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