Data Sheet
MegaMod & MegaMod Jr. Family
25 to 600 Watts DC-DC Converters
Single, Dual, Triple Output Chassis Mount
Configuration Chart
Substitute VE– for VI– for RoHS compliant versions
Full-Size Modules – MegaMod
Configuration
Single Output
VI-L
-
VI-M
VI-N
-
-
-
-
-
Output
Power
50 – 200 W
100 – 400 W
300 – 600 W
100 – 400 W
150 – 600 W
150 – 600 W
Junior-Size Modules – MegaMod Jr
# of
Modules Configuration
1
2
3
2
3
3
Triple Output
VI-RJ
-
75 – 300 W
3
Dual Output
VI-PJ
-
50 – 200 W
2
Single Output
VI-LJ
-
Output
Power
25 – 100 W
# of
Modules
1
Features
•
•
•
•
•
•
•
Dual Output
VI-P
VI-Q
Triple Output
VI-R
•
•
•
•
RoHS compliant
(VE versions)
Inputs: 10 to 400 Vdc
Any output, 1 to 95 Vdc
cULus, cTÜVus, CE Marked
80 – 90% Efficiency (Typical)
Up to 27 W/In
3
1 Up:
2.58" x 2.5" x 0.62" (Junior)
4.9" x 2.5" x 0.62" (Full Size)
2 Up:
2.58" x 4.9" x 0.62" (Junior)
4.9" x 4.9" x 0.62" (Full Size)
3 Up:
2.58" x 7.3" x 0.62" (Junior)
4.9" x 7.3" x 0.62" (Full Size)
Low noise ZCS power architecture
Booster versions available for
expanded output power – full size only
(add B to part number
Example: VI-LBxx-xx)
Input Voltage
Nominal
Maximum Power
(see chart below)
MegaMod Jr.
(1)
(11)
(5)
(5)
(1)
(5)
(5)
(4)
(5)
(5)
(6)
Low Line
Transient
[a]
75% Max Power
n/a
22
n/a
n/a
18 V
36
n/a
n/a
18 V
60
36 V
72
n/a
n/a
45 V
110
n/a
n/a
85 V
215
170 V
425
90 V
n/a
<5 V
Outputs
10 A
15 A
15 A
20 A
20 A
30 A
30 A
40 A
40 A
10 A
Output Voltage
Z
Y
0
X
W
V
T
R
M
1
P
2
N
3
L
J
K
4
H
F
D
B
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
2V
3.3 V
5V
5.2 V
5.5 V
5.8 V
6.5 V
7.5 V
10 V
12 V
13.8 V
15 V
18.5 V
24 V
28 V
36 V
40 V
48 V
52 V
72 V
85 V
95 V
Product Highlights
Vicor’s MegaMod and MegaMod Jr.
Families of single, dual and triple output
DC-DC converters provide power system
designers with cost effective, high
performance, off-the-shelf solutions to
applications that might otherwise require a
custom supply.
Incorporating standard VI-200 or VI-J00
Family converters in rugged, chassis
mount packages, MegaMod and MegaMod
Jr.’s can be ordered with single, dual or
triple outputs, having a combined output
power of up to 600 W. Totally isolated
outputs eliminate efficiency penalties and
output interaction problems.
Input Range
MegaMod
Full Power
[b]
0 = 12 V
10 – 20 V
(4)
V = 24 V
[b]
10 – 36 V
(2)
1 = 24 V
[b]
21 – 32 V
(8)
W = 24 V
[b]
18 – 36 V
(8)
2 = 36 V
21 – 56 V
(6)
3 = 48 V
42 – 60 V
(10)
N = 48 V
36 – 76 V
(10)
4 = 72 V
55 – 100 V
(9)
T = 110 V
66 – 160 V
(8)
5 = 150 V
100 – 200 V
(9)
6 = 300 V
200 – 400 V
(10)
7 = 150/300 V 100 – 375 V
(5)
Max. Output
5 – 7.5 V
Per Module
Outputs
(1)
50 W
(2)
50 W
[c]
(4)
75 W
(5)
75 W
(6)
100 W
(7)
100 W
(8)
150 W
(9)
150 W
(10)
200 W
(11)
50 W
(1)
>7.5 V
Outputs
75 W
75 W
75 W
100 W
100 W
150 W
150 W
200 W
200 W
50 W
[a]
Transient voltage for 1 second.
[b]
Total MegaMod output power for 225 W, “0”, “V” input models and 450 W, “1”, “W” input models are limited to
55°C ambient, and are available by special order.
[c]
7.5 V output is 75 W
Product Grade Temperature (°C)
MegaMod
E
C
I
M
=
=
=
=
–10 to +85
–25 to +85
–40 to +85
–55 to +85
MegaMod Jr.
–10 to +100
–25 to +100
–40 to +100
–55 to +100
Y
=
X
=
W
=
V
=
U
=
Output Power/Current
MegaMod
V
OUT
≥
5 V
50 W
75 W
100 W
150 W
200 W
V
OUT
<
5 V
Y
=
X
=
W
=
V
=
U
=
10 A
15 A
20 A
30 A
40 A
MegaMod Jr.
V
OUT
≥
5 V
Z
=
Y
=
X
=
W
=
25 W
50 W
75 W
100 W
V
OUT
<
5 V
Z
=5A
Y
= 10 A
X
= 15 A
W
= 20 A
Refers to Baseplate Temperature
Output Power/Current
V
OUT
≥
5 V
W
V
U
S
Q
=
=
=
=
=
100 W
150 W
200 W
300 W
400 W
V
OUT
< 5 V
W
V
U
S
Q
=
=
=
=
=
20 A
30 A
40 A
60 A
80 A
Output Power/Current
V
OUT
≥
5 V
S
= 300 W
P
= 450 W
M
= 600 W
V
OUT
<
5 V
S
= 60 A
P
= 90 A
M
= 120 A
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Mega Module & Mega Module Jr. Family
Rev. 1.9
Page 1 of 7
Set your site on VICOR at www.vicorpower.com
MEGAMOD SPECIFICATIONS
(typical at T
BP
= 25ºC, nominal line, 75% load, unless otherwise specified)
INPUT SPECIFICATIONS
MegaMod (E -Grade)
Parameter
Inrush charge
Input reflected ripple current – pp
Min
Typ
120x10
-6
10%
Vin
25+20Log Vout
Input ripple rejection
Max
MegaMod (C-, I-, M-Grade)
Min
Typ
120x10
-6
10%
Max
200x10
-6
Unit
Coulombs
IIN
dB
dB
2
Watts
Test Conditions
Nom. line, per module
Nom. line, full load
120 Hz, nom. line
2400 Hz, nom. line
Per module
( )
2
( )
Vin
20+ 20Log
(
Vout
)
Vin
30+ 20Log Vout
1.35
No load power dissipation
1.35
OUTPUT SPECIFICATIONS
MegaMod (E-Grade)
Parameter
Setpoint accuracy
Load / line regulation
Output temperature drift
Long term drift
Output ripple - pp
2 V, 3.3 V
5V
10 – 95 V
Output voltage trimming
[a]
Total remote sense compensation
OVP setpoint[b]
Current limit
Short circuit current
[c]
105%
20%
50%
0.5
125%
135%
140%
150
5%
3%
110%
50%
0.5
115%
105%
20%
125%
135%
125%
130%
60
2%
0.75%
100
3%
1.5%
110%
mV
V
NOM
V
NOM
V
NOM
Volts
V
NOM
I
NOM
I
NOM
0.25 V max. neg. leg
Recycle power
Automatic restart
20 MHz bandwidth
20 MHz bandwidth
20 MHz bandwidth
0.02
0.02
Min
Typ
1%
Max
2%
0.5%
1%
MegaMod (C-, I-, M-Grade)
Min
Typ
0.5%
0.05%
0.2%
0.01
0.02
Max
1%
0.2%
0.5%
0.02
Units
V
NOM
V
NOM
V
NOM
% / °C
%/1K hours
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temp.
Test Conditions
[a]
10 V,12 V and 15 V outputs, standard trim range ±10%. Consult factory for wider trim range. 95 Vout cannot be trimmed up.
[b]
131% typical for booster modules.
[c]
Output voltages of 5 V or less incorporate foldback current limiting; outputs of 10 V and above contain straight-line limiting.
CONTROL PIN SPECIFICATIONS
MegaMod (E-Grade)
Parameter
Gate out impedance
Gate in impedance
Gate in open circuit voltage
Gate in low threshold
Gate in low current
Power sharing accuracy
0.95
0.65
6
1.05
0.95
Min
Typ
50
10
3
6
0.65
6
1.05
Max
MegaMod (C-, I-, M-Grade)
Min
Typ
50
10
3
6
Max
Units
Ohms
Ohms
Volts
Volts
mA
Use open collector
Test Conditions
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Mega Module & Mega Module Jr. Family
Rev. 1.9
Page 2 of 7
Set your site on VICOR at www.vicorpower.com
MEGAMOD SPECIFICATIONS
(cont.)
DIELECTRIC WITHSTAND CHARACTERISTICS
MegaMod (E -Grade)
Parameter
Input to output
Output to baseplate
Input to baseplate
Min
3,000
500
1,500
Typ
Max
MegaMod (C -, I-, M-Grade)
Min
3,000
500
1,500
Typ
Max
Unit
V
RMS
V
RMS
V
RMS
Test Conditions
Baseplate earthed
THERMAL CHARACTERISTICS
MegaMod (E-Grade)
Parameter
Efficiency
Baseplate to chassis
Thermal Shutdown (drivers only)
90
Min
Typ
78-88%
0.1
95
105
90
Max
MegaMod (C-, I-, M-Grade)
Min
Typ
80 – 90%
0.1
95
105
°C/Watt
°C
Baseplate (Cool and
recycle power to restart
Max
Units
Test Conditions
MECHANICAL SPECIFICATIONS
MegaMod (E-Grade)
Parameter
Weight
1 Up
2 Up
3 Up
Min
Typ
9.0 (255)
1.2 (545)
1.7 (772)
Max
MegaMod (C-, I-, M-Grade)
Min
Typ
9.0 (255)
1.2 (545)
1.7 (772)
Max
Units
Ounces (Grams)
Lbs. (Grams)
Lbs. (Grams)
Test Conditions
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Mega Module & Mega Module Jr. Family
Rev. 1.9
Page 3 of 7
Set your site on VICOR at www.vicorpower.com
MEGAMOD JR. SPECIFICATIONS
(typical at T
BP
= 25ºC, nominal line, 75% load, unless otherwise specified)
INPUT SPECIFICATIONS
MegaMod Jr. (E -Grade)
Parameter
Inrush charge
Input reflected ripple current — pp
Min
Typ
60x10
-6
10%
Vin
25+20Log Vout
Max
100x10
-6
MegaMod Jr. (C-, I-, M-Grade)
Min
Typ
60x10-6
10%
Max
100x10
-6
Unit
Coulombs
IIN
dB
Test Conditions
Nom. line, per module
Nom. line, full load
120 Hz, nom. line
Input ripple rejection
( )
2
( )
Vin
20+ 20Log
(
Vout
)
Vin
30+ 20Log Vout
1.35
2
dB
Watts
2400 Hz, nom. line
Per module
No load power dissipation
1.35
OUTPUT SPECIFICATIONS
MegaMod Jr. (E-Grade)
Parameter
Setpoint accuracy
Load/line regulation
Output temperature drift
Long term drift
Output ripple, pp
2 V, 3.3 V
5V
10 V – 95 V
Output voltage trimming
[a]
Total remote sense compensation
OVP setpoint
Current limit
Short circuit current
105%
105%
50%
0.5
N/A
135%
140%
105%
105%
200
5%
3%
110%
50%
0.5
N/A
125%
130%
I
NOM
I
NOM
Automatic restart
100
2%
0.75%
150
3%
1.5%
110%
mV
V
NOM
V
NOM
V
NOM
Volts
0.25V max. neg. leg
20 MHz bandwidth
20 MHz bandwidth
20 MHz bandwidth
0.02
0.02
Min
Typ
1.0%
Max
2.0%
0.5%
1.0%
MegaMod Jr. (C-, I-, M-Grade)
Min
Typ
0.5%
0.05%
0.2%
0.01
0.02
Max
1%
0.2%
0.5%
Units
V
NOM
V
NOM
V
NOM
%/°C
%/1K hours
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temp.
Test Conditions
[a]
10 V,12 V and 15 V outputs, standard trim range ±10%. Consult factory for wider trim range. 95 Vout cannot be trimmed up.
CONTROL PIN SPECIFICATIONS
MegaMod Jr. (E-Grade)
Parameter
Gate out impedance
Gate in impedance
Gate in high threshold
Gate in low threshold
Gate in low current
0.65
6
Min
Typ
50
1,000
6
0.65
6
Max
MegaMod Jr. (C-, I-, M-Grade)
Min
Typ
50
1,000
6
Max
Units
Ohms
Ohms
Volts
Volts
mA
Use open collector
Test Conditions
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Mega Module & Mega Module Jr. Family
Rev. 1.9
Page 4 of 7
Set your site on VICOR at www.vicorpower.com
MEGAMOD JR. SPECIFICATIONS
(cont.)
DIELECTRIC WITHSTAND CHARACTERISTICS
MegaMod Jr. (E -Grade)
Parameter
Input to output
Output to baseplate
Input to baseplate
Min
3,000
500
1,500
Typ
Max
MegaMod Jr. (C-, I-, M-Grade)
Min
3,000
500
1,500
Typ
Max
Unit
V
RMS
V
RMS
V
RMS
Test Conditions
Baseplate earthed
THERMAL CHARACTERISTICS
MegaMod Jr. (E-Grade)
Parameter
Efficiency
Baseplate to chassis
Min
Typ
78 – 88%
0.2
Max
MegaMod Jr. (C-, I-, M-Grade)
Min
Typ
80 – 90%
0.2
°C/Watt
Max
Units
Test Conditions
MECHANICAL SPECIFICATIONS
MegaMod Jr. (E-Grade)
Parameter
Weight
1 Up
2 Up
3 Up
Min
Typ
4.5 (127)
8.8 (250)
13.3 (377)
Max
MegaMod Jr. (C-, I-, M-Grade)
Min
Typ
4.5 (127)
8.8 (250)
13.3 (377)
Max
Units
Ounces (Grams)
Ounces (Grams)
Ounces (Grams)
Test Conditions
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
Mega Module & Mega Module Jr. Family
Rev. 1.9
Page 5 of 7
Set your site on VICOR at www.vicorpower.com
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