This reference design is a three-phase input offline high-side buck power supply that provides 12V output at a maximum of 1A. The input accepts a voltage range of 43VAC to 255VAC per phase. This design uses the UCC28C55 low-power current-mode PWM controller.
| Output voltage options | PMP312531 |
|---|---|
| Vin (Min) (V) | 40 |
| Vin (Max) (V) | 623 |
| Vout (Nom) (V) | 12 |
| Iout (Max) (A) | 1 |
| Output Power (W) | 12 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Buck- Non Sync |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Test results for the reference design, including efficiency graphs, test prerequisites and more
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| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | 3-Phase Non-Isolated High-Side Buck Controller Reference Design | PDF | HTML | Dec. 19, 2023 |
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