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V48B48C250A Datasheet(PDF) 6 Page - Vicor Corporation

Part No. V48B48C250A
Description  48Vin / 48Vout / 250Watts DC-DC Converter Module
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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V48B48C250A Datasheet(HTML) 6 Page - Vicor Corporation

   
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
V48B48C250A DC-DC Converter
Rev. 5.2
Page 6 of 8
Set your site on VICOR at www.vicorpower.com
+Sense from
other modules
in the array
+In
PC
PR
–In
+Out
+S
SC
–Out
–S
Figure 12—OR’ing diodes connections.
+Out
+S
SC
–S
–Out
+Out
+S
SC
–S
–Out
+Out
+S
SC
–S
–Out
Load
+S
–S
+S
–S
+S
–S
Module
2
Module
1
+In
PC
PR
–In
+In
PC
PR
–In
Module
N+1
+In
PC
PR
–In
Figure 11—N+1 module array output connections.
Figure 9—DC coupled single-wire interface.
Module 2
(up to 12)
Module
1
Ground plane
+Out
+S
SC
–S
–Out
+In
PC
PR
–In
+Out
+S
SC
–S
–Out
+In
PC
PR
–In
Module 2
(up to 12)
Module
1
Ground plane
+Out
+S
SC
–S
–Out
+In
PC
PR
–In
+Out
+S
SC
–S
–Out
+In
PC
PR
–In
Figure 10—AC coupled single-wire interface.
0.001µF
0.001µF
• The +Out and –Out power buses
should be designed to minimize
and balance parasitic impedance
from each module output to the
load.
• The +Sense pins should be tied
to the same point on the +Out
power bus; the –Sense pins
should be tied to the same point
on the –Out power bus.
• At the discretion of the power
system designer, a subset of all
modules within an array may be
configured as slaves by shorting
SC to –S.
• OR’ing diodes may be inserted in
series with the +Out pins of each
module to provide
module output fault tolerance.
CONTROL FUNCTIONS - PR PIN
Parallel Operation
The PR pin supports paralleling for increased power with N+1
(N+M) redundancy and phased array capability. Modules of
the same input voltage, output voltage, and power level will
current share if all PR pins are suitably interfaced.
Compatible interface architectures include the following:
DC coupled single-wire interface. All PR pins are directly
connected to one another. This interface supports current
sharing but is not fault tolerant. Minus In pins must be tied to
the same electric potential. See Figure 9.
AC coupled single-wire interface. All PR pins are connected to
a single communication bus through 0.001µF (500V)
capacitors. This interface supports current sharing and is fault
tolerant except for the communication bus. See Figure 10.
PIN STYLES *
Designator
Description
Notes
(None)
Short solder
Requires in-board, mounting
L
Long solder
On-board mounting for 0.65" boards
S
Short ModuMate
SurfMate or in-board socket mounting
N
Long ModuMate
On-board socket mounting
* Pin style designator follows the “A” after the output power and precedes the baseplate designator.
Ex. V375A24C600AN — Long ModuMate Pins


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