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PRM48BT480M500A00 Datasheet(PDF) 1 Page - Vicor Corporation |
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PRM48BT480M500A00 Datasheet(HTML) 1 Page - Vicor Corporation |
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1 / 44 page  PRMTM Regulator Page 1 of 44 11/2015 vicorpower.com 800 927.9474 High Efficiency Converter S NRTL C US PRMTM Regulator 0 0 A 0 0 5 x 0 8 4 y B 8 4 M R P Features • 48.0 V input (38.0 V to 55.0 V), non-isolated ZVS buck-boost regulator • 20.0 V to 55.0 V adjustable output range • 500 W output power in 1.11 in2 footprint • 97.8% typical efficiency, at full load • 1729 W/in3 (106 W/cm3) Power Density • 4.01 MHrs MTBF (MIL-HDBK-217 Plus Parts Count) • Pin selectable operating mode Adaptive Loop Remote Sense / Slave • Full VI Chip® Package 32.5mm x 22.0mm x 6.73mm Typical Applications • High Density Power Supply DC-DC rail outputs • High Density ATE system DC-DC power • Telecom NPU and ASIC core power • Communications Systems • Non-isolated and isolated power converters Product Description The VI Chip® PRMTM Regulator is high eciency converter, operating from a 38.0 to 55.0 Vdc input to generate a regulated 20.0 to 55.0 Vdc output. The ZVS buck-boost topology enables h g i h h t i w n o i t a r e p o ) z H M 3 0 . 1 ~ ( y c n e u q e r f g n i h c t i w s h g i h conversion e ciency. High switching frequency reduces the size of reactive components enabling power density up to 1729 W/in3. The Full VI Chip® package is compatible with standard pick- and-place and surface mount assembly processes with a planar thermal interface area and superior thermal conductivity. In a Factorized Power Architecture™ system, the PRM and downstream VTMTM current multiplier minimize distribution and conversion losses in a high power solution, providing an isolated, regulated output voltage. The PRM48By480x500A00 has two selectable modes of regulation depending on the application requirements. In Adaptive Loop Operation, the PRM48By480x500A00 utilizes a unique feed-forward scheme that enables precise regulation of an isolated POL voltage without the need for remote sensing and voltage feedback. In Remote Sense Operation, the internal regulation circuitry is disabled, and an external control loop and current sensor maintain regulation. This a ords flexibility in the design of both voltage and current compensation loops to optimize performance in the end application. Product Ratings VIN = 38.0 V to 55.0 V POUT = 500 W VOUT = 48.0 V IOUT = 10.42 A (20.0 V to 55.0 V Trim) |
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