M3G50S_15 Datasheet, PDF (1/13 Pages) International Rectifier – 50V Input, Single/Dual Output

PD-94558N
HYBRID - HIGH RELIABILITY
RADIATION HARDENED
DC-DC CONVERTER
M3G-SERIES
50V Input, Single/Dual 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. By using two stage filtering
these converters produce low input and output noise.
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 a 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 Low Weight, < 110 grams
n Low Input & Output Noise
n Magnetically Coupled Feedback
n 38V to 60V DC Input Range
n Up to 40W Output Power
n Single and Dual Output Models Include
3.3, 5, 12, 15, ±5, ±12 and ±15V
n High Efficiency - to 82%
n -55°C to +125°C Operating Temperature Range
n 100MΩ @ 500VDC Isolation
n Under-Voltage Lockout
n Short Circuit and Overload Protection
n Output Over Voltage Limiter
n Remote Sense on Single Output Models
n Adjustable Output Voltage for Duals
n Synchronization Input and Output
n External Inhibit
n > 5,000,000 Hour MTBF
Applications
n Geostationary Earth Orbit Satellites (GEO)
n Deep Space Satellites / Probes
n Strategic Weapons and Communication
Systems
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09/12/12