This reference design is a primary-side regulated flyback that outputs 33V at 5W, steady state. It is designed for a LED strobe light application in smoke detectors and can output 3A surges for 20mS at 1Hz period. It is a low-cost solution with an emphasis on small size.
| Output voltage options | PMP23440.1 |
|---|---|
| Vin (Min) (V) | 85 |
| Vin (Max) (V) | 132 |
| Vout (Nom) (V) | 33 |
| Iout (Max) (A) | .15 |
| Output Power (W) | 4.95 |
| Isolated/Non-Isolated | Isolated |
| Input Type | AC |
| Topology | Flyback- DCM^Flyback- Non Sync |
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 | 90-VAC to 132-VAC Input, 5-W Primary Side Regulated (PSR) Flyback Reference Design | PDF | HTML | Dec. 02, 2023 |
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