Vicor recommends a 4-layer PCB with a solid ground plane, and thermal vias under the module to dissipate heat. A thermal interface material (TIM) should be used between the module and the heat sink.
To ensure reliable start-up and shutdown, Vicor recommends a soft-start circuit to limit inrush current, and a shutdown circuit to discharge the output capacitors.
At high altitudes, the air pressure is lower, which can affect the PRM's thermal performance. Vicor recommends derating the output power by 1% per 1,000 feet above sea level to ensure reliable operation.
Yes, the PRM48BH480T200B00 can be used in a redundant configuration to achieve high availability. Vicor recommends using a diode ORing circuit to connect the outputs of multiple PRMs.
The PRM48BH480T200B00 is designed to meet CISPR 22 and FCC Part 15 Class B EMI standards. Vicor recommends using a shielded enclosure and following good PCB layout practices to minimize EMI and RFI.
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PRM48BH480T200B00 Overview
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