This reference design creates a 5V at 250mA from a 120VAC Input. The UCC28720 primary side controller with a BJT power switch provides a low cost design. It is important to note the outputs are only functionally (not for safety) isolated from the input.
| Output voltage options | PMP9235.1 |
|---|---|
| Vin (Min) (V) | 85 |
| Vin (Max) (V) | 132 |
| Vout (Nom) (V) | 5 |
| Iout (Max) (A) | .25 |
| Output Power (W) | 1.25 |
| Isolated/Non-Isolated | Isolated |
| Input Type | AC |
| Topology | Flyback- DCM^Flyback- Non Sync^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
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 | PMP9235 Test Results | Feb. 06, 2014 |
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