The UCC28720 is a quasi resonant controller and is specialized to drive high voltage BJTs. When the drain voltage is higher than 1KV, BJTs are the best choice for low to mid power flyback converters. In this case two voltages are supplied: 12V@1A and 3.3V@100mA.
| Output voltage options | PMP8678.1 | PMP8678.2 |
|---|---|---|
| Vin (Min) (V) | 185 | 185 |
| Vin (Max) (V) | 700 | 700 |
| Vout (Nom) (V) | 3.3 | 12 |
| Iout (Max) (A) | .1 | 1 |
| Output Power (W) | .33 | 12 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | DC | DC |
| Topology | Buck- Integrated Switch | Flyback- Quasi Resonant |
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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
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Design file that contains information on physical board layer of design PCB
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | PMP8678 Test Results | Oct. 20, 2014 |
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