P048K048T24AL

Application

·Please contact Vicor Applications Engineering for assistance, 1-800-927-9474, or email at apps@vicr.com.


Specifications

Parameter		Values	Unit
+In to -In		-1.0 to 85.0	Vdc
PC to -In		-0.3 to 6.0	Vdc
PR to -In		-0.3 to 9.0	Vdc
IL to -In		-0.3 to 6.0	Vdc
VC to -In		-0.3 to 18.0	Vdc
+Out to -Out		-0.3 to 59	Vdc
SC to -Out		-0.3 to 3.0	Vdc
VH to -Out		-0.3 to 9.5	Vdc
OS to -Out		-0.3 to 9.0	Vdc
CD to -Out		-0.3 to 9.0	Vdc
SG to -Out		100	mA
Continuous output current		5	Adc
Continuous output power		240	W
Operating junction temperature	(M-Grade) (T-Grade)	-55 to 125 -40 to 125
Storage temperature	(M-Grade) (T-Grade)	-65 to 150 -40 to 150
Case temperature during reflow:		208

Description

The V•I Chip P048K048T24AL Pre-Regulator Module (PRM) is a very efficient non-isolated regulator capable of both boosting and bucking a wide range input voltage. It is specifically designed to provide a controlled Factorized Bus distribution voltage for powering downstream V•I Chip Voltage Transformation Modules (VTMs) - fast, efficient, isolated low noise Point-of-Load (POL) converters. In combination, PRMs and VTMs form a complete DC-DC converter subsystem offering all of the unique benefits of Vicor's Factorized Power Architecture (FPA): high density and efficiency; low noise operation; architectural flexibility; extremely fast transient response; and elimination of bulk capacitance at the Point-of-Load (POL).

In P048K048T24AL FPA systems, the POL voltage is the product of the Factorized Bus voltage delivered by a PRM and the "K-factor" (the fixed voltage transformation ratio) of a downstream VTM. The PRM controls the Factorized Bus voltage to provide regulation at the POL. Because VTMs perform true voltage division and current multiplication, the Factorized Bus voltage may be set to a value that is substantially higher than the bus voltages typically found in "intermediate bus" systems, reducing distribution losses and enabling use of narrower distribution bus traces. A PRM-VTM chip set can provide up to 100 A, or 230 W, at a FPA system density of 200 A/in3, or 460 W/in3 - and because the PRM can be located, or "factorized," remotely from the POL, these power densities can effectively be doubled.

The P048K048T24AL PRM described in this data sheet features a unique "Adaptive Loop" compensation feedback: a single wire alternative to traditional remote sensing and feedback loops that enables precise control of an isolated POL voltage without the need for either a direct connection to the load or for noise sensitive, bandwidth limiting, isolation devices in the feedback path.