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Analog Circuit Design by Jim Williams, Bob Dobkin

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10

Powering complex FPGA-based systems using highly integrated DC/DC µModule regulator systemsPart 2 of 2 Thermal performance and layout

Alan Chern and Afshin Odabaee

60W by paralleling four DC/DC μModule regulators

In part one of this article, we discussed the circuit and electrical performance of a compact and low profile 48A, 1.5V DC/DC regulator solution for a four-FPGA design. The new approach uses four DC/DC μModule™ regulators in parallel (Figure 10.1) to increase output current while sharing the current equally among each device. This solution relies on the accurate current sharing of these μModule regulators to prevent hot-spots by dissipating the heat evenly over a compact surface area. Each DC/DC μModule is a complete power supply with ...

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