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Analog Devices’ high-current switching controller performs sequencing, tracking and margining

Antony, France — Analog Devices introduces a single-phase, high-current switching controller ideal for applications that demand regulated precision and reliability, such as wireless base stations and network computing systems. The ADP1822 is a synchronous, fixed-frequency switching controller well suited for high current applications – such as communications infrastructure systems and high performance servers. A critical need for designing to meet power management requirements is how best to manage multiple power sources. The ADP1822 output voltage can track an input voltage when multiple power rails sequencing is required. This regulated output can be dynamically adjusted up or down with the regulator’s margining–control inputs. Margining offers the capability to offset the regulated output voltage by a few percent when the system reliability is being checked. The ADP1822 drives an all N-channel power stage to regulate an output voltage as low as 0.6 V with 20 A load current. The controller features a ±1 % 0.6 V on-board voltage reference. Analog Devices , Antony, France. www.analog.com.

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