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The SA series of DC-DC converters is available in both triple and single outputs. These devices are designed and qualified for the rigors of space including characterization for both Total Ionizing Dose (TID) and Single Event Effects (SEE). Operating at a fixed frequency of 220 kHz, the SA family of parts can be externally synced with other frequency sources.
Featured Products
SA50-120, SA50-28 and SA15-28
Our SA family of radiation-hardened (rad-hard) DC-DC power converters feature surface-mount component construction to deliver the flexibility and customization necessary to meet your specific application requirements. Available in standard non-hybrid, space-grade configurations with 15W and 50W options, these devices are qualified to MIL-STD-461, MIL-STD-883 and MIL-STD-202 standards. They allow you to leverage proven Commercial-Off-the-Shelf (COTS) technology for rapid development, minimized risk and reduced time to market.
Radiation-Hardened Isolated DC-DC Converters
Similar Devices
SA15 Power Converters
- Utilize 28V input and offer up to 15W of output in a low-profile and smaller-sized solution
- Triple outputs to target EMI-compliant and radiation-hardened designs for deep space applications
- Flyback topology with inherent single-event immunity
- High-efficiency, flight-proven technology with more than thirty-nine million hours Mean Time Between Failure (MTBF)
- Compatible with SF100 and SF200 external EMI filters
SA50 Power Converters
- Utilize 28V and 120V input and offer up to 50W of output in a low-profile, small-sized solution
- EMI-compliant and radiation-hardened designs with single and triple outputs are excellent for space station and ORION program platforms
- Units utilize switching regulators that use peak-current-mode controlled single-ended forward converter topology with inherent single-event immunity
- Eight million hours Mean Time Between Failure (MTBF) and up to 87% efficiency, the highest of any standard 28V and 120V input space-grade DC-DC power converter
- Single-output versions additionally offer remote sense, output voltage adjust and parallel connection functions
- SA50 120V input converters have built-in EMI filters
- SA50 28V input converters are compatible with our SF100 and SF200 external EMI filters
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| SA15-28 Triple Series Data Sheet | Download |
| SA50-28 Single Series Data Sheet | Download |
| SA50-120 Single Series Data Sheet | Download |
| SA50-28 Triple Series Data Sheet | Download |
| SA50-120 Triple Series Data Sheet | Download |
| EMI Filter SF100-28-28S | Download |
| SF200-28-28S EMI Filter Data Sheet | Download |
| ST-2X3 Thermal Interface Data Sheet | Download |
| FAQ- Standard Rad Hard Power Converter Modules | Download |
The current market contains either commercial power converters that are not radiation tolerant, which poses a great risk to the satellite mission life, or expensive radiation-hardened power converters. The LE50 fills the gap between these two by offering a cost-effective radiation-tolerant solution for satellite missions.