Frontgrade has successfully screened its GaN DC/DC converter and complementary EMI filter to MIL-PRF-38534 Class L requirements. Under the Defense Logistics Agency’s specification, Class L screening ensures these devices meet stringent performance requirements for space missions, from Low Earth Orbit (LEO) to Geostationary Earth Orbit (GEO).
The 51028xxx series of 28-V single-stage converters uses GaN FET technology for efficient power conversion, achieving 93% efficiency at half load. With faster switching and enhanced performance, the GaN-based devices respond quickly to dynamic power demands and provide multiple voltage outputs from 0.8 V to 12.0 V. Direct power conversion from the bus to the point of load ensures optimal performance for both current and future space applications.
Frontgrade’s 51028xxx converters are efficient isolated step-down regulators rated at 50 W, with a total dose radiation tolerance of 50 krads (Si) and immunity to SEL/SEB/SEGR up to 60 MeV-cm²/mg. Output voltage remote sense provides accurate point-of-load voltage regulation.
Flight and engineering modules, along with evaluation test boards, are available to support development, testing, and deployment in mission-critical spacecraft systems.
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