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Jul 19th, 2014
 
IR introduces M3G120 series of 40W radiation-hardened 120V input DC-DC converters for satellite power systems
 
International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, today announced the introduction of the M3G120 Series of 40W radiation-hardened (RAD-Hard) 120V input DC-DC converters for a wide range of digital and analog satellite power systems requiring up to 15 years or more of mission life such as space stations and NASA’s Orion MPCV (Multi-Purpose Crew Vehicle) programs.
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The M3G120 series was developed using a proven design methodology based on the legacy of the M3G Series and extensive space design heritage. The design included a selection of established reliability and known radiation performance components fully de-rated to NASA EEE-INST-002 and MIL-STD-1547B requirements. Available in single and dual output configurations, the DC-DC converters feature standard single output voltages of 3.3, 5, 12, 15, and 28V and dual output voltages of ±5V, ±12V and ±15V. Key features include total ionization dose (TID) of over 200 krad (Si), single event effect (SEE) (Heavy Ions) with rated LET greater than 83 MeV-cm²/mg, integrated EMI filter, and light weight of less than 110g in a compact hermetic 3.5” x 2.5” x 0.475” package including I/O pins and mounting tabs.

The M3G120 series is based on IR’s M3G series legacy design which has served the space industry since 1998. With great acceptance by the space industry of the product’s conservative design margin and design robustness, the platform has been expanded over the years to meet the higher operating bus voltage requirements of 50V, 70V, and 100V. The introduction of the M3G120 Series of DC-DC converters now meets the demand for a robust, highly reliable 120V solution,” said Tiva Bussarakons, Marketing Director, IR’s HiRel Business Unit.

The DC-DC converters also feature 95V to 140V DC input, up to 160V input transients, input under-voltage protection, synchronization input/output and on/off control via converter’s Inhibit pin and Class K hybrid MIL-PRF-38534 qualified.

Specifications



Design Tools
Design analysis reports which include reliability analysis, components stress analysis, thermal analysis, radiation tests, and worst case analysis are available upon request.

Availability and Pricing
Pricing for the M3G120 Series begins at US $15,750 each in 5-unit quantities. Production orders are available immediately. Prices are subject to change. This product is subject to U.S. export control laws and regulations.

 

 
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