This 42W multiple output power reference design supports AC/DC industrial power supplies with an AC/DC input voltage range of 150 VAC to 253 VAC. The design achieves a peak efficiency of 89% by using discontinuous conduction mode (DCM) valley-switching of our UCC28742 flyback controller.
| Output voltage options | PMP30831.1 | PMP30831.2 | PMP30831.3 |
|---|---|---|---|
| Vin (Min) (V) | 150 | 150 | 150 |
| Vin (Max) (V) | 253 | 253 | 253 |
| Vout (Nom) (V) | 8 | 18 | 24 |
| Iout (Max) (A) | 1 | .25 | 1.2 |
| Output Power (W) | 8 | 4.5 | 28.8 |
| Isolated/Non-Isolated | Isolated | Isolated | Isolated |
| Input Type | AC | AC | AC |
| Topology | Flyback- Quasi Resonant | Flyback- Quasi Resonant | Flyback- Quasi Resonant |
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
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Test report | Offline Valley Switching Flyback Reference Design With Multiple Outputs | PDF | HTML | Mar. 04, 2024 |
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