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Texas Instruments LM5022 | Demoboard PMP20468
LM5022 Isolated Flyback Power-over-Ethernet Camera Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 36-57 V |
| Output 1 | 12 V / 2 A |
| IC revision | A |
Description
PMP20468 is an isolated flyback converter utilizing the LM5022 controller for Power-over-Ethernet applications. This design has a minimum operating input voltage of 36V, a maximum input voltage of 57V, and an output of 12V @ 2A of load current. Switching frequency is set to 420kHz. A custom Wurth transformer is used in this design.
Features
36V to 57V input, 12V @ 2A outputLM5022 controller for an isolated flyback topology to achieve over 89% efficiency over all operating conditionsCompact size, slim form factor, suitable for power-over-ethernet camera applicationsSolution size: 81mm x 38mm91% peak efficiency
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Version | VIN | VOut1(V) | IOut1(A) | L(µH) | n | VT(V (AC)) | Size | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PoE Power over Ethernet Transformer, Flyback, 32 - 57 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE Power over Ethernet Transformer | VersionFlyback | Input Voltage 32 - 57 V (DC) | Output Voltage 112 V | Output Current 11 A | Inductance82 µH | Turns Ratio2.5:1:0.75 | Insulation Test Voltage1500 V (AC) | SizeRM6 | MountSMT |