By converting power straight from the power bus to the point of load, the new GaN single-stage converters operate easily within the increasingly stringent voltage tolerances of today’s leading-edge processing devices. This includes deep-submicron ASICs and FPGAs used in software-defined payloads that can be reprogrammed in-orbit to extend the mission life of space applications.
The 28V radiation-tolerant converters are also the first satellite single stage power supplies to incorporate gallium-nitride (GaN) FET technology. These GaN-based converters provide customers with a unique, fully-tested, off-the-shelf power conversion solution.
The move to GaN enables higher performance and switching frequencies, thereby improving response time to changing load currents compared to silicon-based DC-DC converters. These new converters can also be used in parallel for higher-power applications.
28V GaN, Single-Stage, Isolated DC-DC Converter
The Frontgrade Single Stage DC-DC Converter is an efficient isolated step-down regulator rated at 50-72 Watts. Output voltage remote sense provides accurate point of load voltage regulation.
The converter design is a single ended forward converter with secondary synchronous rectification.
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