URAM2CS3 Vicor Corporation, URAM2CS3 Datasheet
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URAM2CS3
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URAM2CS3 Summary of contents
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RoHS Compliant (with pin option) • > ripple attenuation from MHz • Integrated OR’ing diode supports N+1 redundancy • Significantly improves load transient response • Efficiency up to 98% • ...
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Electrical characteristics apply over the full operating range of input voltage, output power and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate. µRAM MODULE SPECIFICATIONS (-20°C to +100°C baseplate temperature) ...
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APPLICATION SCHEMATIC DRAWINGS USING VICOR CONVERTERS AND THE µRAM +IN PC DC-DC Converter PR –IN Figure 1 — Typical Configuration using Remote Sensing +IN DC-DC PC Converter PR –IN Figure 2 — Typical Configuration using SC Control (Oppional CHR 25µF ...
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The active loop senses the output current and reduces the headroom voltage in a linear fashion to approximate constant power dissipation of MicroRAM with increasing loads (see Figures 5, 6 & 6). The headroom setting can be reduced ...
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Ripple Attenuation @ 28 V (Room Temp.) 20.00 0.00 -20.00 -40.00 -60.00 -80.00 10 100 Figure 3a Ripple Attenuation @ 5 V (Room Temp.) 20.00 0.00 -20.00 -40.00 -60.00 -80.00 10 100 Figure 3a, 3b — Curves demonstrating the small ...
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Hz Figure 4a -0 -25 -50 - Figure 4a — 4b — Simulated graphs demonstrating the tradeoff of attenuation versus headroom setting at 20 Amps and an equivalent 100°C baseplate temperature at 3 ...
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OUT 400 mV 300 mV 200 load Figure 5 ...
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Figure 11 — V375B12C250B and µRAM; Input and output ripple@50% (10 A) load CH1=Vi; CH2= Vo; Vi-Vo = 305mV; R =80k (Configured as in Figs. 1 & Figure 13 — V300B12C250B and µRAM; Input and output dynamic response ...
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Pins No. Function Label 1 +In + 0.235±.015 5,97±0,38 2 Control SC (REF ext. CTRAN 4 –In – 5 –Out – 0.350±.015 8,89±0,38 6 Reference Vref (REF) 7 +Out + Slotted (Style 1) 0.21 5,2 or (REF) ...
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Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. This warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. Vicor ...