This is a quasi-resonance (QR) flyback reference design for industrial applications, which illustrates how to convert AC input voltage 85 - 115 Vac to isolated multiple outputs: 24 V/0.5 A, 12 V/0.9 A and 15 V/20 mA using the UCC28600 Controller. The quasi-resonant switching of the UCC28600 allows this design to achieve peak efficiency of up to 87.5% while the no-load losses are less than 82 mW.
| Output voltage options | PMP40473.1 | PMP40473.2 | PMP40473.3 |
|---|---|---|---|
| Vin (Min) (V) | 85 | 85 | 85 |
| Vin (Max) (V) | 115 | 115 | 115 |
| Vout (Nom) (V) | 24 | 12 | 15 |
| Iout (Max) (A) | .5 | 1 | .02 |
| Output Power (W) | 12 | 12 | .3 |
| 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
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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 | 85 - 115-Vac input to isolated three-output flyback reference design | Jan. 07, 2019 |
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