Space system designers cannot easily support non-standard voltages or add functions with traditional hybrid-style power converters. Microchip Technology has eliminated the cost, complexity and customisation challenges of these hybrid solutions by offering a discrete-component-based, space-grade DC-DC power converter family that now includes 28 V input, 50 W radiation-tolerant options.
Microchip’s SA50-28 family is the industry’s only off-the-shelf, 28 V input, radiation-tolerant power converter offering that is based on discrete components with surface-mount construction and non-hybrid assembly processes. Delivering more capabilities than alternative off-the-shelf, space-grade power converters, a single SA50-28 device with customised parameters eliminates the volume, weight and complexity problems of using hybrid solutions with their multiple devices and surrounding circuitry.
The comprehensive SA50-28 product line is a 20-40 V input, 50 W family with nine standard outputs of 3,3 V, 5 V, 12 V, 15 V and 28 V in single- and triple-output configurations. The devices can be tailored to a system’s exacting power needs in a relatively short time with minimal additional costs as compared to hybrid-style power converter products. Other features include high efficiency, low output noise, output inhibit control, over-current protection, external synchronisation and full-rated power operation through −55°C to +85°C with linear derating to +125°C.
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