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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.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | ISAT (mA) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750313959 | SPEC | 4 files | MID-OLTI Offline Flyback Transformers for Texas Instruments | 85 - 265 V (AC) | 12 | 0.25 | 18 | 100 | 1.8 | 8:1:1.47 | 290 | 4500 | 13.72 | 20.45 | 10.41 | THT | EE13/7/4 |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | ISAT (mA) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples |
|---|