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M3H2815S Datasheet(PDF) 1 Page - International Rectifier |
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M3H2815S Datasheet(HTML) 1 Page - International Rectifier |
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1 / 11 page  09/8/06 www.irf.com 1 HYBRID - HIGH RELIABILITY RADIATION TOLERANT DC/DC CONVERTER M3H-SERIES Description n Total Dose > 25K Rad(Si) n SEE Hardened to LET up to 37 MeV.cm2/mg n Internal EMI filter; Converter Capable of meeting MIL-STD-461C CE03 and CS01 n Low Weight, < 125 grams n Magnetically Coupled Feedback n 18V to 50V Input Range ( 50V, 70V, and 120V Models Available) n Up to 40W Output Power n Single and Dual Output Models Include 3.3, 5, 5.2, 12, 15, ±5, ±12, ±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 Adjustable Output Voltage n External Inhibit n 1,500,000 Hour MTBF Features +28V Input, Single/Dual Output The M3H-Series of DC/DC converters are radiation tolerant, high reliability devices designed for moderate radiation environments such as those encountered by low earth orbit satellites and launch vehicles. For higher radiation environments, the M3G-Series of DC/DC converters is recommended. System upgrades to higher radiation tolerance applications can be easily accommodated with the M3G-Series converters because they have the same mechanical outline and are pin compatible. For physically smaller, lower output power single and dual output applications the M3L-Series of DC/DC converters are recommended. Features of the M3H-Series include up to 40 watt output power, small size, low weight and a high tolerance to total ionizing dose, single event effects and environmental stresses such as temperature extremes, mechanical shock, and vibration. All components are fully derated to meet the requirements of MIL-STD-975 and MIL-STD-1547. Extensive documentation including Radiation Susceptibility, Thermal Analysis, Stress Analysis and MTBF are available. The converters incorporate a fixed frequency single forward topology with magnetic feedback and an internal EMI filter. These converters are capable of meeting the conducted emissions and conducted susceptibility requirements of MIL-STD-461C without any additional components. All models include an external inhibit port and have an adjustable output voltage. They are enclosed in a hermetic 3.0" x 2.5" x 0.445" steel package and weigh less than 125 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 DSCC qualified processes. For available screening options, refer to device screening table in the data sheet. Applications n Low Earth Orbit Satellites (LEO) n Launch Vehicles Non-flight versions of the M3H-Series converters are available for system development purposes. Variations in electrical specifications and screening to meet custom requirements can be accommodated. Consult IR Santa Clara for special requirements. M3H PD-94437D |
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