Radiation-hardened DC-DC converters for low-Earth-orbit commercial space applications introduced by VPT

March 14, 2024
The VSC series is for commercial rad tolerant satellite uses and NASA Class D missions where balance of cost and guaranteed performance is critical.

BLACKSBURG, Va. – VPT Inc., a HEICO company in Blacksburg, Va., is introducing the radiation-hardened VSC100-2800S DC-DC converter for new-space low-Earth-orbit (LEO) applications like commercial communications satellites.

The VSC series is intended for use in commercial rad tolerant satellite applications and NASA Class D missions where the balance of cost and guaranteed performance is critical.

The VSC100-2800S features output voltages of 3.3 volts at 66 Watts, 5 volts at 100 Watts, 12 volts at 100 Watts, and 15 volts at 100 Watts in a wide input voltage range.

Related: Radiation-hardened DC-DC converters for space applications like weather satellites introduced by Microchip

Sensitive semiconductors are radiation lot acceptance testing (RLAT) to 40 kilorads per MIL-STD-883 Method 1019 and guaranteed to 30 kilorads (Si) total ionizing dose (TID).

These DC-DC converters are characterized to LET > 42 MeV/mg/cm2 for catastrophic events and LET > to 30 MeV/mg/cm2 for SET and SEFI. Packaging creates a dual-side heat-sinking option with very low outgassing.

The VSC100-2800S is available for immediate sale, while the VSC100-2800D will be released and available for sale by the end of 2024. For more information contact VPT online at www.vptpower.com.

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