DC/DC Module Datasheet 25 Watts Series0 pages
Hi-RelGrade
nnSingle, Bi & Triple OutputsMetallic Case - 1.500 VDC Isolation
nn 28Vdc input compliant with MIL-STD-704 D/EՕ Nominal power up to 25 W without derating Wide temperature range : -40հC/+105C caseЕ High efficiency up to 87%Soft startՕ Galvanic isolation 1.500 VDC Integrated LC EMI filter
Օ Permanent short circuit protection
No optocoupler for high reliability nn
1-General
nnThe MGDM-25 series is a full family of high per-formance DC/DC power modules designed for
aerospace, military and high-end industrial ap-
plications. These modules use a frequency fixed
swiching technic at 250KHz providing excellent
reliability, low noise characteristics and high
power density. Standard models are available
with nominal input voltage of 28 volts in a vol-
tage range of 9-36, 16-40 volts. The series
include single, bi and triple output voltage
choices of 3,3, 5, 12, 15 volts.
No external heatsink is required for the MGDM-
25 series to supply 25W output power over the
case temperature range of -40հC up to 105C.
All the modules are designed with LC network
filters to minimize reflected input current ripple
and output voltage ripple.
The modules include a soft-start, a permanent short circuit protection and an output overvoltage
protection to ensure efficient module protec-
tions.
The soft-start allows current limitation and
eliminates inrush current during start-up. The
short circuit protection completely protects the
modules against short-circuits of any duration
by a shut-down and restores to normal when
the overload is removed.
The design has been carried out with surface
mount components and is manufactured in a
fully automated process to guarantee high
quality. Each module is tested and burned in
with a GAIA converter automated test equipment.
The modules are potted with a bi-component
thermal conductive compound and packaged in
a metallic case to ensure the moduleВs integrity
under high environmental conditions. nn4 nn
2-Product Selection
nnSingle output model: MGDS-25- (/T) and/or (/S) Bi output model: MGDB-25- (/T) and/or (/S) Triple output model: MGDT-25- (/T) and/or (/S)(/T) : option for -55C start up operating temperature
(/S) : option for screening and serialization Input Voltage Range Output Permanent Transient B : 3.3 VDCC : 5 VDC or +/-5VDC
E : 12 VDC or +/-12VDC
F : 15 VDC or +/-15VDC
CE : 5 VDC and +/-11,5 VDC
CF : 5 VDC and +/-14,6 VDC H : 9-36 VDCJ : 16-40 VDC 40 VDC/100 ms*50 VDC/100 ms* >
* Consult factory for details REDEFINING THE SOURCE OF POWER
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nnGaia Converter FC98-024.08/06 Revision I For locations, phone, fax, E-Mail see back cover >
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