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Texas Instruments UCC28742 | Demoboard PMP30831
Offline valley switching flyback reference design with multiple outputs
Overview
| Topology | Flyback Converter |
| Input voltage | 150-253 V |
| Output 1 | 24 V / 1.2 A |
| Output 2 | 8 V / 1 A |
| Output 3 | 18 V / 0.25 A |
| IC revision | MARCH 2024 |
Description
This 42W multiple output power reference design supports AC/DC industrial power supplies with an AC/DC input voltage range of 150 VAC to 253 VAC. The design achieves a peak efficiency of 89% by using discontinuous conduction mode (DCM) valley-switching of our UCC28742 flyback controller.
Features
AC input voltage range from 150V AC to 253V ACDelivers 42W output power over the entire operating voltage rangeIncludes three outputs: 8V/18V/24VPeak power conversion efficiency of > 89%
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744822222 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | 2 | 2.2 | 70 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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