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Texas Instruments LM5021MMX-2/UCC24630DBV/TCMT1107/TL431AIDBZ | Demoboard PMP10164
Universal AC Input, 10.5V/1.8A DC Output, Isolated Synchronous Flyback Converter Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 90-265 V |
| Output 1 | 10.5 V / 1.8 A |
| IC revision | B |
Description
The PMP10164 reference design supplies 10.5V@1.8A from universal AC mains; the isolated Flyback topology is the most used for low power range due to single magnetic component. Since the load is a power line communication chip, a fixed frequency modulation has been chosen. The controller LM5021 performs also pulse skip mode thus improving efficiency at light load. A synchronous rectification controller UCC24630 has been employed to increase the efficiency and the thermal performance.
Features
- LM5021 based Isolated Flyback in constant switching frequency delivering 10.5V@1.8A
87% efficiency at full load and 230Vac
- Synchronous rectification with UCC24630 improves efficiency and thermal performance
- Output overvoltage protection with latch, in case of loop opto fail
- This design is tested and includes test results and CAD files
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | ISAT (A) | fres (MHz) | Version | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744743471 | SPEC | 8 files | WE-TI Radial Leaded Wire Wound Inductor | 0.8 | 2.3 | Standard | 0.58 | 470 | 1.5 | – | – | – | 8 | 8 | 12.5 | THT | ||
 | 74404300082 | SPEC | 8 files | WE-TPC SMT Tiny Power Inductor | 3.7 | 170 | – | 3.5 | 0.82 | 0.018 | – | – | – | 4.8 | 4.8 | 2.8 | SMT | ||
 | 744822110 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | THT | 1 | 10000 | 0.36 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT | ||
| 750811226 | SPEC | – | – | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | ISAT (A) | fres (MHz) | Version | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|