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IRF - HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER

Numéro de référence M3G
Description HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER
Fabricant IRF 
Logo IRF 





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M3G fiche technique
PD-94535P
HYBRID-HIGH RELIABILITY
RADIATION HARDENED
DC-DC CONVERTER
M3G-SERIES
28V Input, Triple Output
Description
The M3G-Series of DC-DC converters are radiation
hardened, high reliability converters designed for
extended operation in hostile environments. Their small
size and low weight make them ideal for applications
such as geostationary earth orbit satellites and deep
space probes. They exhibit a high tolerance to total
ionizing dose, single event effects and environmental
stresses such as temperature extremes, mechanical
shock, and vibration.
The converters incorporate a fixed frequency single
ended forward topology with magnetic feedback and
an internal EMI filter that utilizes multilayer ceramic
capacitors that are subjected to extensive lot screening
for optimum reliability. These converters are capable
of meeting the conducted emissions and conducted
susceptibility requirements of MIL-STD-461C without
any additional components. External inhibit and
synchronization input and output allow these converters
to be easily incorporated into larger power systems.
They are enclosed in a hermetic 3" x 2" x 0.475" package
constructed of an Aluminum-Silicon-Carbide (AlSiC)
base and an Alloy 48 ring frame and they weigh less
than 110 grams. The package utilizes rugged ceramic
feed-through copper core pins and is sealed using
parallel seam welding.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing DLA
Land and Maritime qualified processes. For available
screening options, refer to device screening table in the
data sheet.
Non-flight versions of the M3G-Series converters are
available for system development purposes. Variations
in electrical specifications and screening to meet custom
requirements can be accommodated.
M3G
Features
n Total Dose > 200 krad(Si),
typically usable to > 300 krad(Si)
.n SEE Hardened up to 82 MeV cm2/mg
n Internal EMI filter; Converter Capable of
meeting MIL-STD-461C CE03
n Low Weight, < 110 grams
n Magnetically Coupled Feedback
n 18V to 50V DC Input Range
n Up to 40W Output Power
n Triple Output Models Include
+5V and ±12V or ±15V
n Main Output Isolated from Dual Outputs
n High Efficiency - to 80%
n -55°C to +125°C Operating Temperature Range
n 100M@ 500VDC Isolation
n Under-Voltage Lockout
n Synchronization Input and Output
n Short Circuit and Overload Protection
n Output Over Voltage Limiter
n External Inhibit
n > 5,000,000 Hour MTBF
n Standard Microcircuit Drawings Available
Applications
n Geostationary Earth Orbit Satellites (GEO)
n Deep Space Satellites / Probes
n Strategic Weapons and Communication
Systems
www.irf.com
1
09/11/12
http://www.Datasheet4U.com

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