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| Output voltage ripple + noise <br> (pk-pk value) | 100mVpp for 12V <br> 20mVpp for 5V |
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| Regulation: Line <br> Regulation: Load | ±2% <br> ±2% |
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| Efficiency | ≥80% at 230 Vac |
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| Active PFC | ≥0.98 |
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| Active PFC | ≥0.90 |
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| Switching frequency | 250 kHz - 1 MHz |
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| Transient response | 10% maximum deviation; <br> Returns to nominal Vo in 1 ms maximum.|
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| Total Ionizing Dose (TID) | ≥500 Gy |
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## Architecture
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RaToPUS is designed in two stages:
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- AC/DC stage: 230VAC to 48VDC
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- isolated DC/DC stage: 48VDC to 12VDC and 5VDC
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- Non-isolated AC/DC stage: 230VAC to 48VDC implemented using Power Factor Correcting (PFC) Buck Topology
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- Isolated DC/DC stage: 48VDC to 12VDC and 5VDC implemented using independent Active-Clamp Forward (ACF) Converters
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![RaToPUS_architecture](uploads/66f51c94432aee02d2dc34853ff8f936/RaToPUS_architecture.png)
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