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The Vicor VI-RAM-I2 is a Ripple Attenuator Module (RAM) that functions as an output filter for VI-200, VI-J00, FlatPACs, ComPACS, and MegaMods converters. It is engineered to limit total output noise to less than 3mV peak-to-peak, even at loads up to 20A.
This module combines active and passive filtering techniques to attenuate both low-frequency input power source harmonics and high-frequency switching components within the DC to 20MHz range. The VI-RAM-I2 operates with high efficiencies, typically between 93% and 99%, minimizing power loss.
Designed for ease of integration, no adjustments are required, and features such as remote sense and output voltage trim are retained when used with compatible Vicor converters. This component-level solution offers power system architects a flexible way to achieve clean power, avoiding the penalties associated with linear power sources or external add-on filters.
The maximum output current is 20A.
The output noise is less than 3mV peak-to-peak.
The operating temperature range is -40°C to +100°C.
Typical efficiency is 93% to 99%.
The frequency range is DC to 20MHz.
It is compatible with VI-200, VI-J00, FlatPACs, ComPACs, and MegaMods.