This UCC28730 based upside-down buck design converts a universal line input to a non-isolated 80V/50W output. An additional 12V/600mW output is produced using a UCC28880. The design achieves over 93% efficiency and consumes less than 50mW of standby power.
| Output voltage options | PMP20686.1 | PMP20686.2 |
|---|---|---|
| Vin (Min) (V) | 85 | 85 |
| Vin (Max) (V) | 265 | 265 |
| Vout (Nom) (V) | 80 | 12 |
| Iout (Max) (A) | .625 | .05 |
| Output Power (W) | 50 | .6 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | AC | AC |
| Topology | Buck- Upside Down | 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
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | PMP20686 Test Results | Jun. 21, 2017 |
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