MI - MegaMod
TM
Family
Military Chassis Mount DC-DC Converters 10 to 300W
Single, Dual, Triple Outputs
Features
Inputs:
28, 155, 165 and 270Vdc
Any output: 2 to 48Vdc
Up to 13.5W/in
3
High efficiency
Size — 1- up half-size: 2.58" x 2.5" x 0.62"
(65,5 x 63,5 x 15,7mm)
Size — 1- up full-size: 4.9" x 2.5" x 0.62"
(124,5 x 63,5 x 15,7mm)
Size — 2- up half-size: 2.58" x 4.9" x 0.62"
(65,5 x 124,5 x 15,7mm)
Size — 2- up full-size: 4.9" x 4.9" x 0.62"
(124,5 x 124,5 x 15,7mm)
Size — 3- up half-size: 2.58" x 7.3" x 0.62"
(65,5 x 185,4 x 15,7mm)
Size — 3- up full-size: 4.9" x 7.3" x 0.62"
(124,5 x 185,4 x 15,7mm)
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.
Remote sense
ZVS/ZCS power architecture
Low noise FM control
Configuration Chart
Full-Size MegaMods
Single Output
MI-L
–
MI-M
–
MI-N
–
Dual Output
MI-P
–
MI-Q
–
Triple Output
MI-R
Number of
Modules
1
2
3
2
3
3
50 – 100W
150 – 200W
300W
100 – 200W
200 – 300W
–
150 – 300W
4.9" x 2.5" x 0.62"
4.9" x 4.9" x 0.62"
4.9" x 7.3" x 0.62"
4.9" x 4.9" x 0.62"
4.9" x 7.3" x 0.62"
4.9" x 7.3" x 0.62"
Half-Size MegaMods
Single Output
MI-LJ
–
Dual Output
MI-PJ
–
Triple Output
MI-RJ
–
10 – 50W
20 – 100W
30 – 150W
2.58" x 2.5" x 0.62"
2.58" x 4.9" x 0.62"
2.58" x 7.3" x 0.62"
1
2
3
Input Voltage
Nominal Range Transient
2 =28Vdc
5 =155Vdc
6 =270Vdc
7 =165Vdc
18 –
60V
100 – 210V 230V
125 – 400V
(2)
475V
100 – 310V
(3)
50V
(1)
Output Voltage
Z = 2V
Y = 3.3V
0 = 5V
X = 5.2V
W= 5.5V
V = 5.8V
T = 6.5V
R = 7.5V
M = 10V
1 = 12V
P = 13.8V
2 = 15V
N = 18.5V
3 = 24V
L = 28V
J = 36V
K = 40V
4 = 48V
Product Grade
Full-Size
I = –40°C to +85°C
M = –55°C to +85°C
Half-Size
I = –40°C to +100°C
M = –55°C to +100°C
Output Power/Current
Full-Size
Half-Size
≥5V
<5V
≥5V
<5V
Y
X
W
V
= 50W 10A A = 10W —
= 75W 15A Z = 25W 5A
= 100W 20A Y = 50W 10A
= — 30A
Output Power/Current
≥5V
<5V
V
U
S
=
=
=
150W
200W
—
30A
—
60A
Output Power/Current
≥5V
<5V
S
P
=
=
300W
—
—
90A
(1)
(2)
(3)
16V operation at 75% load.
These units rated at 75% load from 125 – 150Vin: Full-size – 5Vout @ 100W; 2Vout and 3.3Vout @ 30A
Half-Size – 5Vout @ 50W; 2V and 3.3V @ 10A.
For use with Vicor’s MI-AIM
MI-MegaMod 10/02
1 of 4
Specifications
Full-Size
(At TBP = 25°C, nominal line and 75% load, unless otherwise specified)
PARAMETER
Input Characteristics
Inrush charge
Input reflected ripple current – pp:
Input ripple rejection
120 x 10
10
-6
MIN
TYP
MAX
200 x 10
-6
UNITS
Coulombs
% I
in
dB
dB
Watts
% Vnom
% Vnom
% Vnom
% / °C
%/1K hours
mV
%
% Vnom
Vdc
% Vnom
% Inom
% Inom
Ohms
Ohms
Vdc
Vdc
mA
Vrms
Vrms
Vrms
NOTES
Nominal line, per module
Nominal line, full load
120Hz, nominal line
2400Hz, nominal line
Per module
Vin
(
Vout
)
Vin
20 + 20Log
(
Vout
)
30 + 20Log
1.35
0.5
0.05
0.2
0.01
0.02
80
0.75
2.0
1.0
0.2
0.5
0.02
150
1.5
110
135
125
130
No load power dissipation
Output Characteristics
Setpoint accuracy
Load/line regulation
Load/line regulation
Output temperature drift
Long term drift
Output ripple – p-p:
≤10V
12-48V
Output voltage trimming
(1)
50
Total remote sense compensation 0.5
OVP setpoint
115
Current limit
105
Short circuit current
Control Pin Characteristics
Gate out impedance
Gate in impedance
Gate in open circuit voltage
Gate in low threshold
Gate in low current
Isolation Characteristics
Isolation (input to output)
Isolation (output to baseplate)
Isolation (input to baseplate)
Thermal Characteristics
Efficiency
Baseplate to chassis
Thermal shutdown
Mechanical Specifications
Weight
1-up
2-up
3-up
(1)
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temperature
20MHz bandwidth
20MHz bandwidth
0.25V max. neg. leg
Recycle power
Automatic restart
125
50
10
3
6.0
0.65
6.0
3,000
500
1,500
80-90
0.1
95
Use open collector
90
105
%
°C/Watt
°C
9.0 (255)
1.2 (525)
1.7 (780)
ounces (grams)
pounds (grams)
pounds (grams)
10V, 12V, and 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
MI-MegaMod 10/02
2 of 4
Specifications
Half-Size
(At TBP = 25°C, nominal line and 75% load, unless otherwise specified)
PARAMETER
Input Characteristics
Inrush charge
Input reflected ripple current – pp:
Input ripple rejection
60 x 10
10
-6
MIN
TYP
MAX
100 x 10
-6
UNITS
Coulombs
% I
in
dB
dB
Watts
% Vnom
% Vnom
% Vnom
% / °C
%/1K hours
mV
%
% Vnom
Vdc
% Inom
Ohms
Ohms
Vdc
Vdc
mA
Vrms
Vrms
Vrms
NOTES
Nominal line, per module
Nominal line, full load
120Hz, nominal line
2400Hz, nominal line
Per module
Vin
(
Vout
)
Vin
20 + 20Log
(
Vout
)
30 + 20Log
1.35
0.5
0.05
0.2
0.01
0.02
80
0.75
2.0
1.0
0.2
0.5
0.02
150
1.5
110
125
50
10
3
6.0
0.65
6.0
3,000
500
1,500
80-90
0.1
No load power dissipation
Output Characteristics
Setpoint accuracy
Load/line regulation
Load/line regulation
Output temperature drift
Long term drift
Output ripple – p-p:
≤10V
12-48V
Output voltage trimming
(1)
50
Total remote sense compensation 0.5
Current limit
105
Control Pin Characteristics
Gate out impedance
Gate in impedance
Gate in open circuit voltage
Gate in low threshold
Gate in low current
Isolation Characteristics
Isolation (input to output)
Isolation (output to baseplate)
Isolation (input to baseplate)
Thermal Characteristics
Efficiency
Baseplate to chassis
Mechanical Specifications
Weight
1-up
2-up
3-up
(1)
LL to HL, 10% to FL
LL to HL, NL to 10%
Over rated temperature
20MHz bandwidth
20MHz bandwidth
0.25V max. neg. leg
Automatic restart
Use open collector
%
°C/Watt
4.5 (127)
8.8 (250)
13.3 (377)
ounces (grams)
ounces (grams)
ounces (grams)
10V, 12V, and 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
MI-MegaMod 10/02
3 of 4
PCB Design
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