Product Highlights
Vicor’s MI-MegaMod family
of single, dual, and triple output DC-DC converters provide power system designers with costeffective, 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.
MI - MegaModTM Family
Military Chassis Mount DC-DC Converters 10 to 300W Single, Dual, Triple Outputs
Features
Inputs: |
Size — 1- up half-size: 2.58" x 2.5" x 0.62" |
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28, 155, 165 and 270Vdc |
(65,5 x 63,5 x 15,7mm) |
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Any output: 2 to 48Vdc |
Size — 1- up full-size: 4.9" x 2.5" x 0.62" |
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(124,5 x 63,5 x 15,7mm) |
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Up to 13.5W/in3 |
Size — 2- up half-size: 2.58" x 4.9" x 0.62" |
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High efficiency |
(65,5 x 124,5 x 15,7mm) |
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Size — 2- up full-size: 4.9" x 4.9" x 0.62" |
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Remote sense |
(124,5 x 124,5 x 15,7mm) |
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Size — 3- up half-size: 2.58" x 7.3" x 0.62" |
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ZVS/ZCS power architecture |
(65,5 x 185,4 x 15,7mm) |
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Low noise FM control |
Size — 3- up full-size: 4.9" x 7.3" x 0.62" |
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(124,5 x 185,4 x 15,7mm) |
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Configuration Chart
Full-Size MegaMods |
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Number of |
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Single Output |
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Modules |
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MI-L |
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50 – 100W |
4.9" x 2.5" x 0.62" |
1 |
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MI-M |
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150 – 200W |
4.9" x 4.9" x 0.62" |
2 |
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MI-N |
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– |
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300W |
4.9" x 7.3" x 0.62" |
3 |
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Dual Output |
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MI-P |
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– |
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100 – 200W |
4.9" x 4.9" x 0.62" |
2 |
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MI-Q |
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– |
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200 – 300W |
4.9" x 7.3" x 0.62" |
3 |
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Triple Output |
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MI-R |
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– |
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150 – 300W |
4.9" x 7.3" x 0.62" |
3 |
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Half-Size MegaMods |
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Single Output |
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MI-LJ |
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– |
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10 – 50W |
2.58" x 2.5" x 0.62" |
1 |
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Dual Output |
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MI-PJ |
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– |
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20 – 100W |
2.58" x 4.9" x 0.62" |
2 |
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Triple Output |
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MI-RJ |
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– |
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Input Voltage |
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Nominal |
Range Transient |
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2 |
=28Vdc |
18 – 50V (1) |
60V |
5 |
=155Vdc |
100 – 210V |
230V |
6 |
=270Vdc |
125 – 400V(2) |
475V |
7 |
=165Vdc |
100 – 310V(3) |
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30 – 150W 2.58" x 7.3" x 0.62" |
3 |
Output Voltage
Z = 2V |
T = 6.5V |
N = 18.5V |
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Y = 3.3V |
R = 7.5V |
3 |
= 24V |
0 = 5V |
M = 10V |
L = 28V |
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X = 5.2V |
1 = 12V |
J = 36V |
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W= 5.5V |
P = 13.8V |
K = 40V |
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V = 5.8V |
2 = 15V |
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 |
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Output Power/Current |
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Output Power/Current |
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Full-Size |
Half-Size |
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≥ 5V |
<5V |
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≥ 5V |
<5V |
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≥ 5V <5V |
≥ 5V <5V |
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V |
= |
150W |
30A |
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S |
= |
300W |
— |
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Y = 50W |
10A |
A = 10W |
— |
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U |
= |
200W |
— |
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P |
= |
— |
90A |
X = 75W |
15A |
Z = 25W |
5A |
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S |
= |
— |
60A |
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W = 100W 20A |
Y = 50W |
10A |
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V = — |
30A |
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(1)16V operation at 75% load.
(2)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.
(3)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 |
MIN |
TYP |
MAX |
UNITS |
NOTES |
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Input Characteristics |
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Inrush charge |
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120 x 10-6 |
200 x 10-6 Coulombs |
Nominal line, per module |
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Input reflected ripple current – pp: |
10 |
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% Iin |
Nominal line, full load |
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Input ripple rejection |
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30+20Log (VoutVin |
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dB |
120Hz, nominal line |
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20+20Log (VoutVin |
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dB |
2400Hz, nominal line |
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No load power dissipation |
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1.35 |
2.0 |
Watts |
Per module |
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Output Characteristics |
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Setpoint accuracy |
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0.5 |
1.0 |
% Vnom |
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Load/line regulation |
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0.05 |
0.2 |
% Vnom |
LL to HL, 10% to FL |
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Load/line regulation |
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0.2 |
0.5 |
% Vnom |
LL to HL, NL to 10% |
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Output temperature drift |
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0.01 |
0.02 |
% / °C |
Over rated temperature |
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Long term drift |
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0.02 |
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%/1K hours |
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Output ripple – p-p: ≤ 10V |
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80 |
150 |
mV |
20MHz bandwidth |
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12-48V |
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0.75 |
1.5 |
% |
20MHz bandwidth |
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Output voltage trimming(1) |
50 |
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110 |
% Vnom |
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Total remote sense compensation |
0.5 |
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Vdc |
0.25V max. neg. leg |
OVP setpoint |
115 |
125 |
135 |
% Vnom |
Recycle power |
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Current limit |
105 |
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125 |
% Inom |
Automatic restart |
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Short circuit current |
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130 |
% Inom |
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Control Pin Characteristics |
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Gate out impedance |
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50 |
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Ohms |
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Gate in impedance |
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103 |
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Ohms |
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Gate in open circuit voltage |
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6.0 |
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Vdc |
Use open collector |
Gate in low threshold |
0.65 |
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Vdc |
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Gate in low current |
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6.0 |
mA |
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Isolation Characteristics |
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Isolation (input to output) |
3,000 |
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Vrms |
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Isolation (output to baseplate) |
500 |
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Vrms |
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Isolation (input to baseplate) |
1,500 |
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Vrms |
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Thermal Characteristics |
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Efficiency |
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80-90 |
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% |
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Baseplate to chassis |
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0.1 |
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°C/Watt |
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Thermal shutdown |
90 |
95 |
105 |
°C |
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Mechanical Specifications |
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Weight |
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1-up |
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9.0 (255) |
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ounces (grams) |
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2-up |
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1.2 (525) |
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pounds (grams) |
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3-up |
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1.7 (780) |
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pounds (grams) |
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(1) 10V, 12V, and 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
MI-MegaMod 10/02 2 of 4