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Texas Instruments LM5155 | Demoboard PMP22151
70-W flyback and 37-W boost power tree reference design
Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 27-29 V |
| Ausgang 1 | 37 V / 1 A |
| IC-Revision | B |
Beschreibung
This reference design uses two LM5155 devices to make a flyback and boost power stage. The flyback creates an isolated 28 Vdc bus from a 24 +/-10% Vdc bus and the boost creates a 37 Vdc bus from the output of the flyback. The flyback can be loaded up to 70 W and the boost can be loaded up to 37-W. All components are placed on one side of the board to reduce assembly complexity and cost. Both power stages achieve over 90% efficiency across output conditions.
Eigenschaften
- High efficiency flyback and boost power stage
- Compact size (2" x 3.75") minimizes solution size area
- Single-side assembly and 2-layer PCB for reduced manufacturing costs
Typische Anwendungen
- Fire alarm control panel (FACP)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Bauform | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT-Speicherdrossel, 39 µH, 5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | Induktivität39 µH | Performance Nennstrom5 A | Gleichstromwiderstand56 mΩ | Eigenresonanzfrequenz6 MHz | Bauform1210 | VersionGestanzt |