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V048K480T006 PDF预览

V048K480T006

更新时间: 2022-12-04 16:28:23
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VICOR /
页数 文件大小 规格书
15页 544K
描述
VI Chip - PRM-AL Pre-regulator Module

V048K480T006 数据手册

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PRELIMINARY  
PRM  
P048K048T24AL  
TM  
V•I Chip – PRM-AL  
K indicates BGA configuration. For other mounting  
options see Part Numbering on Page 2.  
Pre-Regulator Module  
• 48 V input V•I Chip PRM  
• Adaptive Loop feedback  
• Vin range 36 – 75 Vdc  
• ZVS buck-boost regulator  
©
• High density – 1000 W/in3  
• Small footprint – 250 W/in2  
• Low weight – 0.5 oz (14 g)  
• 1.5 MHz switching frequency  
• 96% Efficiency  
Vin = 36 – 75 V  
Vf = 26 – 55 V  
Pf = 240 W  
If = 5 A  
• 125˚C operation  
Actual size  
Product Description  
Absolute Maximum Ratings  
The V•I Chip 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 Vicors 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).  
Parameter  
+In to -In  
Values  
-1.0 to 85.0  
-0.3 to 6.0  
-0.3 to 9.0  
-0.3 to 6.0  
-0.3 to 18.0  
-0.3 to 59  
-0.3 to 3.0  
-0.3 to 9.5  
-0.3 to 9.0  
-0.3 to 9.0  
100  
Unit  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
mA  
Adc  
W
PC to -In  
PR to -In  
IL to -In  
VC to -In  
+Out to -Out  
SC to -Out  
VH to -Out  
OS to -Out  
CD to -Out  
SG to -Out  
Continuous output current  
Continuous output power  
5
In 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  
240  
Operating junction temperature  
(M-Grade)  
(T-Grade)  
-55 to 125  
-40 to 125  
°C  
°C  
Storage temperature  
(M-Grade)  
(T-Grade)  
-65 to 150  
-40 to 150  
°C  
°C  
Case temperature during reflow:  
208  
°C  
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.  
DC-DC Converter  
VH  
SC  
SG  
OS  
NC  
VC  
PC  
TM  
IL  
+Out  
-Out  
+In  
Factorized  
Bus (Vf)  
NC  
The 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.  
PR PRM-AL CD  
TM  
VC  
PC  
VTM  
Vout  
+In  
+Out  
+Out  
-Out  
Vin  
K
Ro  
-In  
–In  
–Out  
The P048K048T24AL is used with any 048 input series VTM to provide a regulated and  
isolated output.  
vicorpower.com  
800-735-6200  
V•I Chip Pre-Regulator Module  
P048K048T24AL  
Rev. 1.4  
Page 1 of 15  

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