DC-DC Converters
MI-200
50 to 100 Watts
Features & Benefits
•
Inputs:
■
■
28V
DC
per MIL-STD-704D/E/F
■
■
155V
DC
per MIL-STD-1399A
■
■
270V
DC
per MIL-STD-704D/E/F
•
Single output: 2 – 48V
DC
•
Up to 23W/in
3
•
MIL-STD-810 environments
•
Up to 90% efficiency
•
Remote sense
•
Current limit
•
OVP and thermal shutdown
•
Power boosters for
higher power outputs
•
ZCS power architecture
•
Low noise FM control
•
Size: 4.6” x 2.4” x 0.5”
(116,8 x 61,0 x 12,7 mm)
Packaging Options
Standard:
Slotted baseplate
SlimMod: Flangeless baseplate, option suffix: - S
Example:
MI - 2XX - XX
- S
FinMod: Finned heat sink, option suffix:
- F1, -F2, -F3 and - F4
Examples:
MI - 2XX - XX
-F1,
0.25” fins, longitudinal
MI - 2XX - XX
-F2,
0.50” fins, longitudinal
MI - 2XX - XX
-F3,
0.25” fins, transverse
MI - 2XX - XX
-F4,
0.50” fins, transverse
Converter Selection Chart
MI-2
Nominal
2
= 28V
Semi-custom modules available, consult factory.
Input Voltage
Range
18 – 50V
[b]
Transient
[a]
60V
230V
[c]
Notes
28V
DC
input per MIL-STD 704D/E/F
155V
DC
input per MIL-STD-1399A
270V
DC
input per MIL-STD-704D/E/F
Product Highlights
The MI-200 family of DC-DC converters is
designed for applications utilizing distributed
power architectures. Based on Vicor’s
VI-200 / VI-J00 family of zero-current
switching, component level DC-DC converters,
the MI-200 family offers exceptional
performance in terms of power density,
efficiency, noise, ease of use, and reliability.
Fully encapsulated in Vicor’s industry standard
package, the MI-Series meets MIL-STD-810
environmental requirements for humidity,
fungus, salt-fog, explosive atmosphere,
acceleration, vibration and shock.
Standard features, such as wide output
trimming/programming, current limiting,
remote sense, output inhibit, and latching
OVP and OTP combine to offer the highest
degree of protection, versatility, and reliability
for power systems.
5
= 155V
6
= 270V
7
= 165V
[a]
[b]
100 – 210V
125 – 400V
100 – 310V
475V
n/a
Transient voltage for 1 second.
16V operation at 75% load.
[c]
These units rated at 75% load from
125 – 150V
IN
: MI-J6Z-xY, MI-J6Y-xY,
MI-J60-xY
Product Grade Temperature (°C)
Operating
I
= –40 to +85
M
= –55 to +85
Storage
I
= –55 to +100
M
= –65 to +100
Output Voltage
Z
= 2.0V
Y
= 3.3V
0
= 5.0V
X
= 5.2V
W
= 5.5V
V
= 5.8V
T
= 6.5V
[d]
R
= 7.5V
[d]
M
= 10V
[d]
1
= 12V
P
= 13.8V
2
= 15V
N
= 18.5V
3
= 24V
L
= 28V
J
= 36V
K
= 40V
4
= 48V
Overtemperature shutdown 95°C typical
(recycle power to restart)
Output Power/Current V
OUT
≥5V
Y
= 50W
X
= 75W
W
= 100W
V
= —
<5V
Y
= 10A
X
= 15A
W
= 20A
V
= 30A
75W max power for 28V input
For additional output power,
100W and 75W booster modules available
Change (MI-2xx-xx) to (MI-Bxx-xx)
MI-200 DC-DC Converters
Page 1 of 7
Rev 1.6
06/2017
vicorpower.com
800 927.9474
MI-200
Converter Specifications
(Typical at T
BP
=25°C, nominal line and 75% load, unless otherwise specified)
Input Specifications
Parameter
Min
Typ
120 x 10
-6
10%
30+20 Log
Input ripple rejection
20+20 Log
No load power dissipation
Max
200 x 10
-6
Units
Coulombs
I
IN
IN
Test Conditions
Nominal line
Nominal line, full load
120Hz, nominal line
2400Hz, nominal line
I
nrush charge
Input reflected
ripple current – pp
(
VV
)
OUT
dB
dB
2
Watts
(
V
)
OUT
V
IN
1.35
Output Characteristics
Parameter
Setpoint accuracy
Load/line regulation
Output temperature drift
Long term drift
Output ripple – pp
Trim range
[a]
Min
Typ
0.5%
0.05%
0.2%
0.01
0.02
100
1.0%
Max
1%
0.2%
0.5%
0.02
Units
V
NOM
V
NOM
V
NOM
% / °C
%/1K hours
Test Conditions
LL to HL, 10% to Full Load
LL to HL, No Load to 10%
Over rated temperature
150
1.5%
110%
mV
V
NOM
V
NOM
Volts
Whichever is greater
20MHz bandwidth
50%
0.5
115%
105%
[c]
Total remote
sense compensation
OVP set point
Current limit
Short circuit current
[a]
[b]
125%
135%
125%
130%
V
NOM
I
NOM
I
NOM
latching
Automatic restart
20%
10V to 15V outputs, standard trim range ±10%. Consult factory for wider trim range.
3.3V output trim range 2.20 to 3.63V
[b]
No over temperature or voltage protection in booster modules
[c]
Output voltages of 5V or less incorporate foldback current limiting; outputs of 10V and above provide constant current limiting.
Note:
The permissible load current must never be exceeded during normal, abnormal or test conditions. For additional output related application information,
please refer to output connections on page 5.
Control Pin Specifications
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
Min
Typ
50
1000
6
Max
Units
Ohms
Ohms
Volts
Volts
mA
Use open collector
Test Conditions
MI-200 DC-DC Converters
Page 2 of 7
Rev 1.6
06/2017
vicorpower.com
800 927.9474
MI-200
Converter Specifications (Cont.)
(Typical at T
BP
=25°C, nominal line and 75% load, unless otherwise specified)
Dielectric Withstand Characteristics
Parameter
Input to output
Output to baseplate
Input to baseplate
Input to output capacitance
Min
3,000
500
1,500
50
75
Typ
Max
Units
V
RMS
V
RMS
V
RMS
pF
Test Conditions
Baseplate earthed
Thermal Characteristics
Parameter
Efficiency
Baseplate to sink
thermal impedance
Thermal shutdown
(Drivers only)
[d]
[d]
Min
Typ
80 – 90%
0.07
Max
Units
Test Conditions
°C/Watt
105
°C
With thermal pads
Cool and recycle power
to restart
90
95
No over temperature or voltage protection in booster modules
Enviornmental – MIL-STD-810D
Parameter
Altitude - method 500.2
Humidity - method 507.2
Acceleration - method 513.3
Vibration - method 514.3
Shock - method 516.3
Min
70,000
86/240
9
20
40
Typ
Max
Units
feet
%/hours
g
g
g
Test Conditions
Procedure II
Procedure I, cycle 1
Procedure II
Procedure I, category 6
Procedure I
Reliability – MIL-HDBK-217F (MI-22L-MW)
Parameter
25°C Ground Benign: G.B.
50°C Naval Sheltered: N.S.
65°C Airborne Inhabited
Cargo: A.I.C.
Min
Typ
3,552
639
501
Max
Units
1,000 hours
1,000 hours
1,000 hours
Test Conditions
Mechanical Specifications
Parameter
Weight
Min
7.2
205
Typ
7.3
208
Max
7.4
210
Units
Ounces
Grams
Test Conditions
MI-200 DC-DC Converters
Page 3 of 7
Rev 1.6
06/2017
vicorpower.com
800 927.9474
MI-200
Converter Specifications (Cont.)
Product Grade Specifications
Parameter
Storage temperature
Operating temperature (baseplate)
Power cycling burn-in
Temperature cycled with power off
17°C per minute rate of change
Test data supplied at these temperatures
[e]
Warranty
Environmental compliance
Derating
[e]
I-Grade
-55°C to +100°C
-40°C to +85°C
12 hours, 29 cycles
12 cycles
-65°C to +100°C
-40°C, +80°C
2 years
MIL-STD-810
NAVMAT P-4855-1A
M-Grade
-65°C to +100°C
-55°C to +85°C
96 hours, 213 cycles
12 cycles
-65°C to +100°C
-55°C, +80°C
2 years
MIL-STD-810
NAVMAT P-4855-1A
Test data available for review or download from vicorpower.com
Maximum Capacitance, Rated Output Voltage <5V
Rated V
OUT
(V)
2 to <3
3 to <5
I
OUT
Rating (A)
≤10
≤10
C
MAX
(µF)
1500
1000
I
OUT
Rating (A)
>10 to 40
>10 to 40
C
MAX
(µF)
5000
5000
Maximum Capacitance, Rated Output Voltage
≥5V
Rated V
OUT
(V)
5 to <7.5
7.5 to <10
10 to <28
>28
P
OUT
Rating (W)
≤50
≤50
≤50
≤50
C
MAX
(µF)
1000
400
400
150
P
OUT
Rating (W)
>50 to 100
>50 to 100
>50 to 100
>50 to 100
C
MAX
(µF)
1500
700
500
250
Enviornmental Qualifications
Parameter
Qualification
MIL-STD-810D, Method 500.2, Procedure III, explosive decompression (40K ft.).
MIL-STD-810D, Method 500.2, Procedure II, 40,000ft., 1000 – 1500ft./ min. to 70,000ft., unit functioning
MIL-STD-810C, Method 511.1, Procedure I
MIL-STD-810D, Method 514.3, Procedure I, category 6, helicopter, 20g
Vibration
MIL-STD-810D, Method 514.3 random: 10 – 300Hz @ 0.02g
2
/Hz, 2000Hz @ 0.002g
2
/ Hz, 3.9 total Grms
3 hrs/axis. Sine: 30Hz @ 20g, 60Hz @ 10g, 90Hz @ 6.6g, 120Hz @ 5.0g, 16.0 total Grms, 3 axes
MIL-STD-810E, Method 514.4, Table 514.4-VII, ±6db/octave, 7.7G rms, 1hr/axis
MIL-STD-810D, Method 516.3, Procedure I, functional shock, 40g
Shock
MIL-STD-202F, Method 213B, 18 pulses, 60g, 9msec
MIL-STD-202F, Method 213B, 75g, 11ms saw tooth shock
MIL-STD-202F, Method 207A, 3 impacts / axis, 1, 3, 5 feet
Acceleration
Humidity
Solder Test
Fungus
MIL-STD-810D, Method 513.3, Procedure II Operational test, 9g for 1 minute along 3 mutually perpendicular axes
MIL-STD-810D, Method 507.2, Procedure I, cycle I, 240 hrs, 88% relative humidity
MIL-STD-202, Method 208, 8hr. aging
MIL-STD-810C, Method 508.1
A
ltitude
Explosive Atmosphere
MI-200 DC-DC Converters
Page 4 of 7
Rev 1.6
06/2017
vicorpower.com
800 927.9474
MI-200
Basic Module Operation
F1
C3
C1a
+IN
–IN
C1b
Zero Current
Switching
Converter
C2a
+OUT
–OUT
C2b
C3 (µF) =
400
V
IN
Minimum
Figure 1 —
Basic module operation requires fusing, grounding, bypassing capacitors.* See
Design Guide & Applications Manual.
Output Connections and Considerations
The permissible load current
[e]
must never be exceeded during
normal, abnormal or test conditions. Converters subject to
dynamic loading exceeding 25% of rated current must be
reviewed by Vicor Applications Engineering to ensure that the
converter will operate properly.
Under dynamic load, light load, or no load conditions, the
converter may emit audible noise. Converters that utilize remote
sense may require compensation circuitry to offset the phase
lag caused by the external output leads and load impedance.
Remote Sense leads must be protected for conditions such as
lead reversal, noise pickup, open circuit, or excessive output lead
resistance between the sense point and the converters output
terminals. For applications that may draw more than the rated
current, a fast acting electronic circuit breaker must be utilized
to protect the converter. Under no circumstance should the
rated current be exceeded. Utilizing or testing of current limit or
short circuit current will damage the converter. Ensure that the
total output capacitance connected to the converter does not
exceed the limits on Page 4.
Storage
Vicor products, when not installed in customer units, should
be stored in ESD safe packaging in accordance with
ANSI/ESD S20.20, “Protection of Electrical and Electronic
Parts, Assemblies and Equipment” and should be maintained
in a temperature controlled factory/warehouse environment
not exposed to outside elements controlled between the
temperature ranges of 15ºC and 38ºC. Humidity shall not be
condensing, no minimum humidity when stored in an ESD
compliant package.
[e]
Permissible load current:
Nominal Power Rating
Nominal V
OUT
MI-200 DC-DC Converters
Page 5 of 7
Rev 1.6
06/2017
vicorpower.com
800 927.9474
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