This reference design uses the UCC28C42 boost controller and the UCC28780 active-clamp flyback controller to generate an isolated output of 24 V at 3.5 A over an ultra-wide input voltage range of 20 V to 375 V. The design also uses the UCC24612 synchronous rectifier controller on the secondary side. Zero voltage switching (ZVS) ensures high efficiency over a wide operating range.
| Output voltage options | PMP30720.1 |
|---|---|
| Vin (Min) (V) | 20 |
| Vin (Max) (V) | 375 |
| Vout (Nom) (V) | 24 |
| Iout (Max) (A) | 3.5 |
| Output Power (W) | 84 |
| Isolated/Non-Isolated | Isolated |
| Input Type | DC |
| Topology | Buck- Non Sync^Flyback- Active Clamp |
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 | High Efficiency, Ultra-Wide Input Isolated Power Supply Reference Design | Oct. 16, 2019 |
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