PRM48DH480T250B03 Datasheet, PDF (1/22 Pages) Vicor Corporation – Building block for high efficiency DC-DC systems

PRM^® Regulator
PRM48DH480T250B03
FEATURES
 Optimized for VR12.0
 48V (38 to 60 V_IN), non-isolated ZVS buck-boost
regulator
 5 to 55 V adjustable output range
 Building block for high efficiency DC-DC systems
 145W Output Power in 0.57 in² footprint
 97% typical efficiency, at full load
 1,342 W/in³ (82 W/cm³) Power Density
 Enables a 48 V to 1.2 V, 130 A isolated, regulated
solution with total footprint of 1.7in² (11cm²)
 Flexible “Remote Sense” architecture optimizes
regulation / feedback loop design to fit application
requirements
 Current Feedback signal allows dynamic adjustment of
current limit setpoint
 9.32 MHrs MTBF (MIL-HDBK-217Plus Parts Count)
TYPICAL APPLICATIONS
 High Efficiency Server Processor and Memory Power
 High Density ATE system DC-DC power
 Telecom NPU and ASIC core power
 LED drivers
 High Density Power Supply DC-DC rail outputs
 Non-isolated power converters
48 V to 1.2 V, 130A Voltage Regulator
DC to DC Regulator
DESCRIPTION
The VI Chip PRM^® Regulator is a high efficiency converter,
operating from a 38 to 60 Vdc input to generate a
regulated 5 to 55 Vdc output. The ZVS Buck – Boost
topology enables high switching frequency (~1.5 MHz)
operation with high conversion efficiency. High switching
frequency reduces the size of reactive components
enabling power density up to 1,342 W/in³.
The half 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
PRM48DH480T250B03 and downstream VTM™
transformer minimize distribution and conversion losses in
a high power solution.
An external control loop and current sensor maintain
regulation and enable flexibility both in the design of
voltage and current compensation loops to control of
output voltages and currents.
PRM^® Regulator
Page 1 of 23
Rev 1.2
7/2015
vicorpower.com
800 735.6200