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Vicor Mini MegaPAC AC-DC Switcher User Manual

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UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 1
Mini MegaPAC
TM
AC-DC Switcher
USER GUIDE | UG:110
November 2013
Overview
The Mini MegaPAC AC-DC switcher allows users to instantly configure high eciency,
o-line power supplies that operate on either 115 or 230 Vac (47-500 Hz),
or 260-380 Vdc. Although small in size, (3.4"H x 6.0"W x 9.5”L), (85,8 x 153,4 x 241,3 mm),
the Mini MegaPAC provides up to 1,000 W of output power. The chassis has five slots
and can provide up to ten isolated outputs.
A complete power supply is configured at the factory by selecting and inserting up
to five same length slide-in output assemblies called ConverterPACs. ConverterPACs
incorporate one or two VI-200/VI-J00 and/or Maxi Vicor DC-DC converters and are
available in a wide array of output voltages and power levels. The net result is a power
supply that oers the advantages of a custom supply, but is assembled from standard
and modular building blocks. For detailed information about the ConverterPACs, refer
to the ConverterPAC data sheets. The ConverterPACs used in the Mini MegaPAC use VE-
2xx and VE-Jxx modules. In addition, there is a four output model called a FlexPAC that
uses discrete circuits to support low power needs.
Manufactured at Westcor, a division of Vicor, the entire family of MegaPAC power
supplies is completely user-configurable. If output requirements change, i.e., more
power or a dierent output voltage is needed, upgrading is easy: simply unlock a single
screw and replace the slide-in ConverterPAC assembly with one of the same length
and has the desired voltage power rating. For additional flexibility, ConverterPACs
can be connected in parallel to increase output power (booster ConverterPACs), or in
series for higher voltages (total output voltage should not exceed 400 V). The driver
is to the le of the boosters when looking at the output end of the supply. A user-
friendly interface provides control and output sequencing capability, in addition to
useful status indicators. Please consult our Applications Engineering Department if you
have other special requirements. Using the VSPOC configurator tool available on
vicorpower.com, anybody can now configure a Mini MegaPAC (and other Westcor
power supplies) online.
Contents Page
Overview 1
of Product
Mechanical 2
Considerations
MegaPAC 3
Do’s and Don’ts
Technical Description 3
Configuring and 5
Reconfiguring
MegaPACs
ConverterPAC 6
Description
Part Numbering 8
ConverterPAC Output 9
and Connector Pin
Identification
Quick Install 10
Instructions
Mechanical Drawings 13
Interface Connections 14
Specifications 20
Output Studs 21
Connector Kit Contents 21
Current Share Boards 22
Low Leakage Version 25
Page view 0
1 2 3 4 5 6 ... 26 27

Summary of Contents

Page 1 - AC-DC Switcher

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 1Mini MegaPACTM AC-DC SwitcherUSER GUIDE | UG:110 November 2013Overview The

Page 2 - Mechanical Considerations

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 10Mini MegaPAC “Quick Install” Instructions (For Mechanical Drawing, see Page

Page 3 - Technical Description

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 11Mini MegaPAC “Quick Install” Instructions (Cont.)Sense Connector J2:n Sense

Page 4 - Mini MegaPAC Architecture

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 12Mini MegaPAC “Quick Install” Instructions (Cont.)Interface Connections J10n

Page 5 - Paralleling ConverterPACs

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 13PFC MegaPAC Mechanical Drawing JUMPERWITH S1-S2HERE.S2S1230 VACAS IS-O

Page 6 - JuniorPAC

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 14Interface ConnectionsChassis Input Power Terminals (J9) Input AC power is ap

Page 7

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 15Interface Connections (Cont.)Signal Ground (J10-10)Signal Ground (see Figure

Page 8 - Part Numbering

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 16Interface Connections (Cont.)AC OK / Power Fail (J10-11) This is an active h

Page 9 - DUALPAC

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 17Interface Connections (Cont.)Power Good (J3-2) The optional Power Good signa

Page 10 - 0UTPUT ADJUST

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 18Interface Connections (Cont.)External Trim (J2-1)Output voltage can be trimm

Page 11 - DC OK (Power Good)

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 19Interface Connections (Cont.)Example:±10% Trim adjust on a 12 V nominal outp

Page 12

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 2Standard Features n Input voltage: 90-132 or 180-264 Vac, 47-500 Hz, or 260-

Page 13 - OUTPUT PANEL AND STUDS

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 20Input CharacterisitcsInput Voltage 90-132 Vac, 180-264 Vac; 47-500 Hz; 260-3

Page 14 - Interface Connections

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 21New Output StudsNew, more robust output studs (with a 3:1 safety margin @ 45

Page 15 - Interface Connections (Cont.)

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 22Current Share Boards - Optional Feature"Current Sharing" also know

Page 16

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 23Current Share Boards - Optional Feature (Cont.)Requirements:1. For proper op

Page 17

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 24Current Share Boards - Optional Feature (Cont.)Figure 13. Cable DrawingP124.

Page 18

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 25Low Leakage VersionIf Low Leakage is required, the MegaPAC family of power s

Page 19

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 26NOTES:

Page 20 - Specifications

The Power Behind PerformanceRev 1.2 01/2014 P/N 07-040291-01A vicorpower.com Applications Engineering: 800 927.9474 Page 27For Vicor G

Page 21 - New Output Studs

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 3MegaPAC Do’s and Don’tsn For units without Autosense, do not leave Converter

Page 22

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 4rectifier/voltage doubler configuration. This operates as a full wave bridge re

Page 23

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 5Configuring and Reconfiguring MegaPACsMost ConverterPACs of the same length can

Page 24 - Black, 22 AWG

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 6ConverterPAC Functional DescriptionConverterPACs are the family of slide-in o

Page 25 - Low Leakage Version

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 7ConverterPAC Functional Description (Cont.)FlexPACThe FlexPAC output assembly

Page 26 - NOTES:

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 8Part NumberingMini MegaPAC MMxA-1xBxxxx eg. MM4-143605 MM = Mini Mega

Page 27 - The Power Behind Performance

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 9 ConverterPAC Output and Connector Pin Identification for the Mini MegaPAC Mod

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