MI-MegaMod™ Family
10 to 300 Watts DC-DC Converters Single, Dual, Triple Output Chassis Mount
Features & Benefits
•
Inputs: 28, 155, 165 and 270V
DC
•
One, two or three outputs
•
Outputs from 2 to 48V
DC
•
MIL-STD-704D/E/F transient
compliance for 28 and 270V
DC
•
MIL-STD-1399A compliance
for 155V
DC
•
Up to 13.5 W/in
3
•
High efficiency
•
Remote sense
•
ZCS power architecture
•
Low noise FM control
•
1 Up:
2.58” x 2.5” x 0.62” (Half Size)
4.9” x 2.5” x 0.62” (Full Size)
•
3 Up:
2.58” x 7.3” x 0.62” (Half Size)
4.9” x 7.3” x 0.62” (Full Size)
Configuration Chart
Full-Size Modules – MegaMod
Configuration
Single Output
MI-L
-
MI-M
MI-N
FF AA
F A
Junior-Size Modules – MegaMod Jr
# of
Modules Configuration
1
2
3
2
3
3
Single Output
MI-LJ
-
F
FF A
F A
A
A
Output
Power
50 – 100 W
F
A
A
Output
Power
10 – 50 W
# of
Modules
1
-
-
F
A
150 – 200 W
300 W
100 – 200 W
FF AA
F A
F
Dual Output
F A
MI-P
FF AA
-
-
F
F
A
F
A
F
F
A
A
Dual Output
MI-PJ
-
F
A
F
A
20 – 100 W
2
MI-Q
A
F A
Triple
F F F A A
Output
200 – 300 W
150 – 300 W
MI-R
F F F A A
A
F A
F
F
-
A A
F F
F FA
F A
F
Triple Output
AA
MI-RJ
-
F
A A
F F
30 – 150 W
A
3
A
F F FF AA
A
F A A
A A
A
F F F AA
Input Voltage
Nominal
2 = 28V
5 = 155V
6 = 270V
7 = 165V
[a]
Range
18 – 50V
[b]
Transient
[a]
60
230
475
n/a
F
A
[b]
100 – 210V
125 – 400V
100 – 310V
16 V operation at 75% load.
Transient voltage for 1 second.
Output Voltage
Product Grade Temperature (°C)
N
= 18.5V
3
= 24V
L
= 28V
J
= 36V
K
= 40V
4
= 48V
MegaMod
MegaMod Jr.
Product Highlights
Vicor’s MI-MegaMod family 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 MI-200 or MI-J00
family converters in rugged, chassis mount
packages, MegaMods can be ordered with
single, dual, or triple outputs, having a
combined output power of up to 300W.
Totally isolated outputs eliminate efficiency
penalties and output interaction problems.
F
Z
= 2V
Y
= 3.3V
0
= 5V
X
= 5.2V
W
= 5.5V
V
= 5.8V
A
T
= 6.5V
[c]
R
= 7.5V
[c]
M
= 10V
1
= 12V
P
=13.8V
2
= 15V
F
A
I
= –40 to +85
M
= –55 to +85
–40 to +100
–55 to +100
Refers to Baseplate Temperature
[c]
75W max. module power for 28V input voltage
Output Power/Current
F
V
OUT
≥
5V
Y
X
W
V
=
=
=
=
A
MegaMod
V
OUT
< 5V
V
OUT
≥
5V
MegaMod Jr.
V
OUT
<
5V
50W
75W
100W
—
Y
= 10A
X
= 15A
W
= 20A
V
= 30A
A
= 10W
Z
= 25W
Y
= 50W
A
= —
Z
= 5A
Y
= 10A
Output Power/Current
Output Power/Current
F
A
V
OUT
≥
5V
V
= 150W
U
= 200W
S
= —
V
OUT
<
5V
V
= 30A
U
= —
S
= 60A
F
A
V
OUT
≥5V
V
OUT
< 5V
S
= 300W
P
= —
S
= —
P
= 90A
MI-MegaMod™ Family
Page 1 of 7
Rev 1.1
09/2016
vicorpower.com
800 927.9474
MI-MegaMod™ Family
MI-MegaMod Specifications
(typical at T
BP
= 25ºC, nominal line, 75% load, unless otherwise specified)
INPUT SPECIFICATIONS
Parameter
Inrush charge
Input reflected ripple current – pp
Min
Typ
120x10
10
30+20Log
Input ripple rejection
20+20Log
No load power dissipation
1.35
-6
Max
200x10
-6
Unit
Coulombs
%I
IN
dB
dB
Notes
Nom. line, per module
Nom. line, full load
120Hz, nom. line
2400Hz, nom. line
Per module
(
VV
)
(
VV
)
IN
OUT
IN
OUT
2
Watts
OUTPUT SPECIFICATIONS
Parameter
Setpoint accuracy
Load / line regulation
Output temperature drift
Long term drift
Output ripple - pp
≤
10V
12 – 48V
Output voltage trimming
[a]
Total remote sense compensation
OVP setpoint
Current limit
Short circuit current
[a]
10V
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
Notes
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temp.
80
0.75
50
0.5
115
105
125
150
1.5
110
mV
%V
NOM
%V
NOM
Volts
20MHz bandwidth
2 MHz bandwidth
0.25V max. neg. leg
Recycle power
Automatic restart
135
125
130
V
NOM
I
NOM
%I
NOM
to 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
CONTROL PIN SPECIFICATIONS
Parameter
Gate out impedance
Gate in impedance
Gate in open circuit voltage
Gate in low threshold
Gate in low current
0.65
6.0
Min
Typ
50
10
3
6.0
Max
Units
Ω
Ω
Volts
Volts
mA
Use open collector
Notes
MI-MegaMod™ Family
Page 2 of 7
Rev 1.1
09/2016
vicorpower.com
800 927.9474
MI-MegaMod™ Family
MI-MegaMod Specifications (Cont.)
DIELECTRIC WITHSTAND CHARACTERISTICS
Parameter
Isolation (input to output)
Isolation (output to baseplate)
Isolation (input to baseplate)
Min
3,000
500
1,500
Typ
Max
Unit
V
RMS
V
RMS
V
RMS
Notes
THERMAL CHARACTERISTICS
Parameter
Efficiency
Baseplate to chassis
Thermal Shutdown (drivers only)
90
Min
Typ
80 – 90%
0.1
95
105
°C/Watt
°C
Max
Units
Notes
MECHANICAL SPECIFICATIONS
Parameter
Weight
1 Up
2 Up
3 Up
9.0
(255)
1.2
(545)
1.7
(772)
Ounces
(Grams)
Lbs.
(Grams)
Lbs.
(Grams)
Min
Typ
Max
Units
Notes
MI-MegaMod™ Family
Page 3 of 7
Rev 1.1
09/2016
vicorpower.com
800 927.9474
MI-MegaMod™ Family
MI-MegaMod Specifications
(typical at T
BP
= 25ºC, nominal line, 75% load, unless otherwise specified)
INPUT SPECIFICATIONS
Parameter
Inrush charge
Input reflected ripple current — pp
30+20Log
Input ripple rejection
20+20Log
No load power dissipation
Min
Typ
60x10
10
-6
Max
100x10
-6
Unit
Coulombs
%I
IN
dB
dB
Notes
Nom. line, per module
Nom. line, full load
120Hz, nom. line
2400Hz, nom. line
Per module
(
VV
)
(
VV
)
IN
OUT
IN
OUT
1.35
2
Watts
OUTPUT SPECIFICATIONS
Parameter
Setpoint accuracy
Load/line regulation
Output temperature drift
Long term drift
Output ripple, pp
≤
10V
12V – 48V
Output voltage trimming
[a]
Total remote sense compensation
OVP setpoint
Current limit
[a]
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
Notes
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temp.
80
0.75
50
0.5
N/A
105
150
1.5
110
mV
%V
NOM
%V
NOM
Volts
20 MHz bandwidth
20 MHz bandwidth
0.25V max. neg. leg
125
%I
NOM
Automatic restart
10V to 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
CONTROL PIN SPECIFICATIONS
Parameter
Gate out impedance
Gate in impedance
Gate in high threshold
Gate in low threshold
Gate in low current
0.65
6.0
Min
Typ
50
10
3
Max
Units
Ω
Ω
Volts
Volts
mA
Notes
6.0
Use open collector
MI-MegaMod™ Family
Page 4 of 7
Rev 1.1
09/2016
vicorpower.com
800 927.9474
MI-MegaMod™ Family
MI-MegaMod Specifications (Cont.)
DIELECTRIC WITHSTAND CHARACTERISTICS
Parameter
Isolation (input to output)
Isolation (output to baseplate)
Isolation (input to baseplate)
Min
3,000
500
1,500
Typ
Max
Unit
V
RMS
V
RMS
V
RMS
Notes
Baseplate earthed
THERMAL CHARACTERISTICS
Parameter
Efficiency
Baseplate to chassis
Min
Typ
80 – 90%
0.1
°C/Watt
Max
Units
Notes
MECHANICAL SPECIFICATIONS
Parameter
Weight
1 Up
2 Up
3 Up
4.5
(127)
8.8
(250)
13.3
(377)
Ounces
(Grams)
Ounces
(Grams)
Ounces
(Grams)
Min
Typ
Max
Units
Notes
MI-MegaMod™ Family
Page 5 of 7
Rev 1.1
09/2016
vicorpower.com
800 927.9474
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