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Texas Instruments UCC28700 | Demoboard PMP8869
Primary-Side Regulated Flyback with 85-265VAC Input (12V @ 3W) Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 0.25 A |
| IC revision | B |
Description
The PMP8869 reference design uses the UCC28700 primary-side regulated flyback controller to generate a 12V/250mA output from a universal AC input. The valley switching of the UCC28700 allows this low-cost design to achieve a maximum load efficiency over 80%; no load losses are less than 30mW. This circuit fits onto a 23mm x 37mm PCB.
Features
Remark: BOM is added with Schematic pdf.
