Military COTS MI-RAM – Ripple Attenuator Module
Input Voltage: 5 – 50 Vdc
Output Current: MI-RAM(x)1
10 A
MI-RAM(x)2
20 A
Efficiency: 93 – 99%
Operation: -55 – 100°C M-Grade
Dimensions (half brick): 2.28” x 2.4” x 0.5” (57,9 x 61,0 x 12,7 mm)
Features:
  • Reduces output PARD to <10 mV pp
  • Full attenuation up to 20 A load
  • Compatible with all MI-series units from 5 –50 Vdc output
  • No adjustments required
  • Converter sense, trim, OV and OC retained
  • MIL-STD-810 environments

The MI-RAM is designed for applications where extremely low noise outputs are required. When used with any Vicor MI-series DC-DC converter, the MI-RAM reduces both line frequency related ripple and switching noise to less than 10 mV p-p, DC to 20 MHz. The combination of the MI-RAM with an MI-series converter provides the output noise performance of a linear supply at a power density in excess of 15 W/in3.

All of the features of the MI-series converter remain available while using the MI-RAM including output voltage trimming, OVP and OTP (MI-200 only), current limiting, remote sense, and logic enable / disable.

Fully encapsulated in a low profile package enables the MI-RAM to meet MIL-STD-810 environmental testing requirements.











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