The MegaPAC family of products offers four different versions of user configurability
to meet almost any set of input and output requirements. Leveraging Vicor modular
DC-DC converters, MegaPAC family products combine feature-laden front ends with
slide-in output assemblies called ConverterPACs.
User configurability is at the heart of every MegaPAC. A wide variety of the same
length ConverterPACs™ can be installed, exchanged or removed with the turn of just
one screw. This means the MegaPAC can be reconfigured to meet evolving power
requirements. Given its range of configurability, the MegaPAC is appropriate for
virtually any application from prototype through production.
MegaPAC™ Family
Page 1 of 10
Rev 1.6
03/2016
MegaPAC™ Family
MegaPAC Family
Model
Dimension
Input Voltage
90 – 132 /
180 – 264V
AC
Strappable
260 – 380V
DC
85 – 264V
AC
100 – 380V
DC
Output Power
Number of
Outputs
1 – 10
(5 slots)
ConvertPACs™
Per Slot
ModuPAC™, JrPAC™,
DualPAC™, RamPAC™,
BatPAC™
QPAC™, DualQPAC™,
JrQPAC™, FinQPAC™
[b]
(FinQPAC requires 2 slots)
ModuPAC, JrPAC,
DualPAC, RamPAC,
BatPAC, FinPAC™
[a]
(FinPACs require 2 slots)
ModuPAC, JrPAC,
DualPAC, RamPAC,
BatPAC, UniPAC™
[b]
Mini MegaPAC™
9.5 x 6.0 x 3.4in
[241.3 x 152.4 x 86.4mm]
1,000W @ 115V
AC
or 230 Vac
PFC MegaPAC-EL/HPEL™
[a]
15.6 x 6.0” x 3.4in
[396.2 x 152.4 x 86.4mm]
1,200W @ 115V
AC
2,400W @ 230V
AC
1 – 16
(8 slots)
PFC MegaPAC/HP™
12.3 x 6.0 x 3.4in
[312.4 x 152.4 x 86.4mm]
85 – 264V
AC
100 – 380 Vdc
208 or 240V
AC
Three Phase
260 – 352V
DC
2,400W @ 230V
AC
1,200W @ 115V
AC
1 – 16
(8 slots)
4kW MegaPAC™
[a]
[b]
14.0 x 7.5 x 4.9in
[355.6 x 190.5 x 124.5mm]
4,000W – 3 phase
1 – 20
(10 slots)
Low noise ripple for EL power supplies is 10mV
P-P
or 0.15% whichever is greater.
ConverterPACs with Maxi module
MegaPAC Configuration
DC-DC Converter
At the heart of every MegaPAC are Vicor zero-current switching, DC-DC
converters. The modularity of the design combined with the breadth of the
product line means virtually any output voltage can be provided.
ConverterPAC
ConverterPACs are the slide-in output assemblies that allow each MegaPAC
to be easily configured to user-specified output requirements. Using the
Vicor DC-DC converter, up to 600W of output power can be provided
per ConverterPAC. Larger power needs are easily handled by paralleling
ConverterPACs.
MegaPAC
Each MegaPAC houses an array of user-selected ConverterPACs to provide a
customized power supply. Using a different front end for each product line,
almost any input power can be accommodated. The result is a customized
power supply with off-the-shelf delivery.
MegaPAC™ Family
Page 2 of 10
Rev 1.6
03/2016
MegaPAC™ Family
Performance Specifications
Typical at 25ºC, nominal line and 75% load, unless otherwise specified
Parameter
PFC MegaPAC™, PFC MegaPAC-HP™,
PFC MegaPAC-HPEL™, PFC MegaPAC-EL™
Mini MegaPAC™
4kW MegaPAC™
Input Charactersitics
Input
Standard Line
Vantage Line
Line Regulation
Inrush Current
Ride-Through Time
Power Fail
Conducted EMI
(47 – 63Hz)
Power Factor
Surge Immunity
(Common Mode & Normal Mode)
EN 55022 Level B (certain configurations)
FCC B
0.99 (115V
AC
)
0.98 (230V
AC
)
25A
PK
at 115V
AC
25A
PK
at 230V
AC
85 – 264V
AC
115 – 230V
AC
, Strappable
47 – 500Hz
47 – 63Hz
100 – 380V
DC
260 – 380V
DC
0.2% max from 10% to full load
80A
PK
at 115 and 230V
AC
>20ms at nominal line, full load
>3ms warning
EN 55022 Level A
EN 55022 Level A
30A
PK
at 230V
AC
260 – 352V
DC
208 / 240V
AC
, 3-phase, 4 wire
180 – 264V
AC
1-phase
0.65
EN 61000-4-5 Class 3, Performance Critera B
0.92 (3-phase operation)
Output Charactersitics
Load Regulation
0.2% max from 10% to full load
0.5% from no load to 10% load
Standard Line:1.0% for standard voltages, 2.0% for special or adjustable voltages
Set-Point Accuracy
Vantage Line: 2.0% for standard voltages, 5.0% for special or adjustable voltages
See Vicor module specifications.
A preload may be necessary for modules trimmed down below 90% of normal output voltage.
Standard outputs: 2% or 100mV
P-P
max whichever is greater, 10% minimum load
Ripple and Noise
(20MHz BWL)
VXI options: 50mV
P-P
max for outputs,
≤15V
DC
; 150mV
P-P
max. 15V < V
OUT
≤
24V; 1% V
OUT
> 24V
2nd Generation QPAC, FinPAC, FinQPAC and UniPAC performance dependent on the converter module used.
(Output of module is unfiltered.)
QPAC, DualQPAC, JuniorQPAC, RamPAC: 10mV
P-P
max or 0.15%, whichever is greater.
Overcurrent Protection
Overvoltage Protection
Efficiency
105 –130% > 5V outputs
30 – 125%
≤
5V outputs
ModuPACs and QPACs: 115 – 135%
80% typical
1,600W at 40°C (230V
AC
)
PFC MegaPAC; PFC MegaPAC-EL (Low Noise)
82% typical
82% typical
4,000W at 45°C (3-phase)
1,000W at 45°C (115 / 230V
AC
)
1,500W at 45°C (1-phase)
Output Power
2,400W at 40°C (230V
AC
)
PFC MegaPAC HP, PFC MegaPAC HPEL
1,200W at 40°C (115V
AC
) PFC MegaPACs
MegaPAC™ Family
Page 3 of 10
Rev 1.6
03/2016
MegaPAC™ Family
Performance Specifications (Cont.)
Typical at 25ºC, nominal line and 75% load, unless otherwise specified
Parameter
PFC MegaPAC™, PFC MegaPAC-HP™,
PFC MegaPAC-HPEL™, PFC MegaPAC-EL™
Mini MegaPAC™
4kW MegaPAC™
Environmental
Storage Temperature
Operating Temperature
[c]
–40 to +85ºC
Vantage Line Full Power
Vantage Line Half Power
Standard Line Full Power
Standard Line Half Power
Safety Agency Approvals
0 to +40ºC
0 to +60ºC
–20 to +40ºC
–20 to +60ºC
0 to +45ºC
0 to +65ºC
–20 to +45ºC
–20 to +65ºC
cTÜVus
0 to +45ºC
0 to +65ºC
–20 to +45ºC
–20 to +65ºC
CE Marked for Low Voltage Directive and RoHS Recast Directive, as applicable
9.75lbs [4.43kg] (PFC MegaPAC & HP)
Product Weight (Fully Configured)
12.8lbs [5.8kg] (PFC MegaPAC EL)
13.0lbs [6.0kg] (PFC MegaPAC HPEL)
6.25lbs [2.84kg]
22.0lbs [10kg]
Limited Warranty
[c]
2 Years
PFC MegaPACs: The maximum operating temperature is 40°C. If using a VI-200™ with output voltage <12V and >150W, the operating temperature
decreases to 35°C. This also applies when using a FinPAC™ with output voltage <24V and >500W. Mini MegaPAC & 4kW MegaPACs: The operating
temperature is 45°C using any combination of modules and output voltages as long as the front-end rating is not exceeded. Normal derating applies to half
power if the ambient temperature is 20°C hotter.
MegaPAC™ Family
Page 4 of 10
Rev 1.6
03/2016
MegaPAC™ Family
ConverterPAC™ Overview
nn
Output voltages from 2 – 95V
DC
nn
Output power up to 600W
nn
OK
DC
nn
Adjustment ranges from
50% to 110% of nominal
nn
Autosense / Remote Sense
nn
noise option:10mV
P-P
or 0.15%,
Low
whichever is greater
nn
– 90% efficiency
80
nn
Current source outputs available
MegaPAC Configuration for MegaPAC Family Product
Converters
Module(s) Used
Maximum Output Power
VE-200 and VE-J00 ConverterPACs
ModuPAC™
(M) (RoHS – GM)
RamPAC™
(R) (RoHS – GR)
DualPAC™
(D) (RoHS – GD)
JuniorPAC™
(J) (RoHS – GJ)
BatPAC™
(B) (RoHS – GB)
QPAC™
[d]
Low Noise
(L) (RoHS – GL)
JrQPAC™
[d]
Low Noise
(LJ) (RoHS – GLJ)
DualQPAC™
[d]
Low Noise
(LD) (RoHS – GLD)
1 VE-200 DC-DC Converter
1 VE-J00 DC-DC Converter
1 Ripple Attenuator Module (VI-RAM)
2 VI-J00™ DC-DC Converters
Up to 200W per ConverterPAC
Up to 100W for applications requiring low ripple / noise
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Embedded System
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