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Texas Instruments UCC28742 | Demoboard PMP30831
Offline valley switching flyback reference design with multiple outputs
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 150-253 V |
| Ausgang 1 | 24 V / 1.2 A |
| Ausgang 2 | 8 V / 1 A |
| Ausgang 3 | 18 V / 0.25 A |
| IC-Revision | B |
Beschreibung
This 42W multiple output power reference design supports AC/DC industrial power supplies with an AC/DC input voltage range of 150 VAC to 253 VAC. The design achieves a peak efficiency of 89% by using discontinuous conduction mode (DCM) valley-switching of our UCC28742 flyback controller.
Eigenschaften
- AC input voltage range from 150V AC to 253V AC
- Delivers 42W output power over the entire operating voltage range
- Includes three outputs: 8V/18V/24V
- Peak power conversion efficiency of > 89%
Typische Anwendungen
- Industrial and Medical AC-to-DC Power Supplies, mart Electricity Meters, Bias Supply for UPS, Server PSU, etc. , Power Supply for Cable Modem, Television, Set Top Box, and Wireless Routers, AC-to-DC Power Supply for Appliances
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | Verpackung | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Folienkondensatoren, Across the mains, 100 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTX2 Folienkondensatoren | Kapazität100 nF | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit300 V/µs | Verlustfaktor0.1 % | Isolationswiderstand30 GΩ | Raster10 mm | VerpackungLose | – | – | – | Nennspannung275 V (AC) | – | – | Länge13 mm | Breite7 mm | Höhe13 mm | MontageartBoxed THT | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | Nennstrom2 A | Induktivität2.2 mH | Gleichstromwiderstand70 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge17.5 mm | Breite13 mm | Höhe22 mm | MontageartTHT |