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| 型號(hào)： | V24B28M100AL |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大?。?/td> | 399K |
| 代理商： | V24B28M100AL |
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 con-
nected 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 .001F (500V) capacitors.
This interface supports current sharing and is fault tolerant
except for the communication bus. See Figure 10.
Vicor Corporation Tel: 800-735-6200 Fax: 978-475-6715
Data Sheet: V24C28C100A DC-DC Converter
Date: 6-00 Rev. 2
Page 6 of 8
Set your site on VICOR at www.vicr.com
Figure 9—DC coupled single-wire interface.
Module 2
(up to 12)
Module 1
Ground plane
+Out
SC
–Out
+In
PC
PR
–In
+Out
SC
–Out
+In
PC
PR
–In
Module 2
(up to 12)
Module 1
Ground plane
+Out
SC
–Out
+In
PC
PR
–In
+Out
SC
–Out
+In
PC
PR
–In
Figure 10—AC coupled single-wire interface.
R3
4
3
1
8
2
7
6
Load
LM10
+Out
SC
–Out
OPTIONAL
C1
R1
R2
V+
V-
$
+
,
$
+
,
+Out
SC
–Out
+Out
SC
–Out
+Out
SC
–Out
L
O
A
D
Plane
Ground
Plane
The +Out and –Out
power buses should be
designed to minimize
and balance parasitic
impedance from each
module output to the
load.
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 –Out.
OR’ing diodes may be inserted in
series with the +Out pin of each
module to provide output fault
tolerance. As an example, the
circuit shown may be used to
compensate for the voltage drop
of the diode.
This module is designed for point of
load regulation, where remote
sensing is not required. Active
compensation, as shown here, may
be used in applications with
significant distribution losses.
The LM10 is rated for a supply
voltage of 45Vdc max. If the output
voltage exceeds this rating, use a
5 to 15V zener diode from V+ to V-
and a series resistor from V+ to the
output, to limit current through the
zener to approximately 1mA.
Figure 12—OR’ing diodes connections and voltage drop compensation.
Figure 11—N+1 module array output connections.
.001F
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