LS2803R3S Datasheet: HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER





LS2803R3S HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER Datasheet

Part Number LS2803R3S
Description HYBRID-HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER
Manufacture International Rectifier
Total Page 16 Pages
PDF Download Download LS2803R3S Datasheet PDF

Features: PD-96964E HYBRID - HIGH RELIABILITY RAD IATION HARDENED DC-DC CONVERTER Descrip tion The LS-Series of DC-DC converters are, high reliability devices designed for hostile radiation hardened environm ents. The LS-Series provide up to 30 wa tts output power, small size, low weigh t, integrated EMI filtering and a high tolerance to environmental stresses suc h as radiation, temperature extremes, m echanical shock, and vibration. Extensi ve documentation including, thermal ana lysis, stress analysis and reliability predictions are available. The LS-Serie s of converters incorporate a fixed fre quency single forward topology with mag netic feedback and an internal EMI filt er. These converters are capable of mee ting the conducted emissions requiremen ts of MIL-STD-461C without any addition al components. All models include an ex ternal inhibit port and have an adjusta ble output voltage. They are enclosed i n a hermetic 1.5" x 2.3" x 0.425" steel package and weigh less than 80 grams. The package utilizes rug.

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PD-96964E
HYBRID - HIGH RELIABILITY
RADIATION HARDENED
DC-DC CONVERTER
Description
The LS-Series of DC-DC converters are, high reliability
devices designed for hostile radiation hardened
environments. The LS-Series provide up to 30 watts
output power, small size, low weight, integrated EMI
filtering and a high tolerance to environmental stresses
such as radiation, temperature extremes, mechanical
shock, and vibration. Extensive documentation
including, thermal analysis, stress analysis and reliability
predictions are available.
The LS-Series of 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
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 1.5" x 2.3" x 0.425" steel package
and weigh less than 80 grams. The package utilizes
rugged ceramic feed-through copper core pins and is
sealed using parallel seam welding.
The LS-Series of DC-DC converters provide same
mechanical outline, power ratings, for backward pin
compatibility, to their lower radiation tolerant counterpart
M3L and Military series ATS DC-DC converters. The
common platform design allows for similarity between
military and space system architectures. For higher
output power applications the HM, M3H and M3G-Series
of DC-DC converters are recommended.
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.
Variations in electrical specifications and screening to
meet custom requirements can be accommodated.
www.irf.com
LS-SERIES
28V Input, Single/Dual Output
LS
Features
n 18 to 40V DC Input Range
n Total Ionization Dose > 100K Rad(Si)
n SEE Hardened to LET (Heavy Ions) up to
82 MeVcm2/mg (SEU, SEL, SEGB, SEGR)
n Internal EMI filter; Converter Capable of
meeting MIL-STD-461C CE03
n Low Weight, < 80 grams
n Magnetically Coupled Feedback
n Up to 30W Output Power
n Single and Dual Output Models Include
1.5, 2.5, 3.3, 5, 12, 15, ±5, ±12 and ±15V
n High Efficiency - to 83%
n 100M@ 500VDC Isolation
n Under-Voltage Protection
n Short Circuit and Overload Protection
n Adjustable Output Voltage
n External Inhibit
n > 4,000,000 Hour MTBF (SF)
n Standard Microcircuit Drawings Available
Applications
n Geo Synchronous Satellite
n Low Earth Orbit
n Deep Space Probe
n Communication and Display Systems
n Payload and Experiment LVPS
1
10/12/12

                    
                    






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