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Texas Instruments LM5155 | Demoboard PMP22151
70-W flyback and 37-W boost power tree reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 18-29 V |
| Ausgang 1 | 28 V / 2.5 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 | Pins | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Raster(mm) | Ø D(mm) | IR(A) | Arbeitsspannung(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 2, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Pins2 | – | – | – | – | – | – | – | Bauform4020 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge4.45 mm | Breite4.06 mm | Höhe1.8 mm | – | – | Induktivität0.1 µH | Performance Nennstrom16.5 A | Sättigungsstrom 120.9 A | Sättigungsstrom @ 30%37.6 A | Gleichstromwiderstand4 mΩ | Eigenresonanzfrequenz323 MHz | MontageartSMT | – | – | – | – | – | – | – | ||||
 | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, 2, Käfigzugklemme | Simulation– | Downloads6 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Pins2 | PCB/Kabel/PanelPCB | ModularityJa | TypHorizontal | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | – | – | Länge7.05 mm | – | – | – | VerpackungKarton | – | – | – | – | – | – | MontageartTHT | – | – | – | Raster3.5 mm | – | Nennstrom10 A | Arbeitsspannung300 V (AC) | |||
 | WR-PHD Stiftleisten - Einreihig, 2, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | Pins2 | – | – | TypGerade | – | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | – | Länge5.08 mm | – | – | – | VerpackungBeutel | – | – | – | – | – | – | MontageartTHT | – | – | – | Raster2.54 mm | – | Nennstrom3 A | Arbeitsspannung250 V (AC) | |||
 | WCAP-ATLI Aluminium-Elektrolytkondensatoren, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-ATLI Aluminium-Elektrolytkondensatoren | – | – | – | – | – | Kapazität220 µF | Kapazität±20% | Nennspannung50 V (DC) | – | – | Verlustfaktor8 % | – | – | Länge16 mm | – | – | – | VerpackungAmmopack | – | – | – | – | – | – | – | Endurance 5000 | Rippelstrom1385 mA | Leckstrom110 µA | Raster5 mm | Durchmesser10 mm | – | – | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | Kapazität100 pF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0402 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor2.5 % | Isolationswiderstand10 GΩ | KeramiktypX7R Klasse II | Länge1 mm | Breite0.5 mm | Höhe0.5 mm | Pad Dimension0.25 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
750318773 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |