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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 90-264 V |
| IC-Revision | B |
Beschreibung
This reference design uses the UCC28780 active clamp flyback controller to generate an isolated output of 20 V @ 3.5 A over an input voltage rage of 90 Vac to 264 Vac. The design also uses the UCC24612 synchronous rectifier controller on the secondary side. Zero voltage switching (ZVS) ensures high efficiency over a wide operating range.
Eigenschaften
- Zero voltage switching (ZVS) provides high efficiency (93% peak value)
- Adaptive burst mode feature maintains high efficiency even at light loads
- Synchronous rectifier using drain-to-source voltage sensing
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | ISAT,10%(A) | fres(MHz) | Version | IR(A) | L(µH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Tonneninduktivität, 4.7 A, 27 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Sättigungsstrom 14.7 A | Eigenresonanzfrequenz27 MHz | VersionSchrumpfschlauch | Nennstrom4 A | Induktivität10 µH | Gleichstromwiderstand0.033 Ω | – | – | – | Länge9.5 mm | Breite9.5 mm | Höhe8 mm | MontageartTHT | ||||
| WE-TI Tonneninduktivität, 8.5 A, 140 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Sättigungsstrom 18.5 A | Eigenresonanzfrequenz140 MHz | VersionSchrumpfschlauch | Nennstrom8.5 A | Induktivität1 µH | Gleichstromwiderstand0.015 Ω | – | – | – | Länge6 mm | Breite6 mm | Höhe8.5 mm | MontageartTHT | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | VersionTHT | Nennstrom1.5 A | Induktivität20000 µH | Gleichstromwiderstand0.27 Ω | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge23 mm | Breite13.8 mm | Höhe25.5 mm | MontageartTHT | ||||
 | 750318431 | Offline Transformer, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Offline Transformer | – | – | – | – | Induktivität120 µH | – | – | Prüfspannung3000 V (AC) | – | Länge27.05 mm | Breite32.25 mm | Höhe22.86 mm | MontageartTHT |