This power supply is a 140-W full-bridge reference design for applications requiring high density and low component heights due to the planar transformer. The design is based on a hard-switched full bridge topology using Schottky diodes on the secondary side and driven by LM5045. A planar transformer is used to minimize the footprint and height. The printed circuit board (PCB) has six layers and the components are assembled top and bottom. The unit is designed for continuous operation at a rated load at ambient temperature (TA) < 40°C. A minimum airflow of 200 linear feet per minute (LFM) is recommended for higher ambient temperature.
| Output voltage options | PMP31092.1 |
|---|---|
| Vin (Min) (V) | 19 |
| Vin (Max) (V) | 30 |
| Vout (Nom) (V) | 56 |
| Iout (Max) (A) | 2.5 |
| Output Power (W) | 140 |
| Isolated/Non-Isolated | Isolated |
| Input Type | DC |
| Topology | Full Bridge- Hard Switched |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Download ready-to-use system files to speed your design process.
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
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | Low-Profile 140-W Full-Bridge Reference Design | PDF | HTML | Oct. 20, 2022 |
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