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Texas Instruments UCC28781-Q1 | Demoboard PMP23195
19-W, AC/DC multioutput 5-V and 12-V ZVS flyback reference design for server applications
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 90-265 V |
| Schaltfrequenz | 500 kHz |
| Ausgang 1 | 12 V / 1.5 A |
| Ausgang 2 | 5 V / 0.2 A |
| IC-Revision | A |
Beschreibung
This reference design converts a universal AC input to an isolated 12-V, 1.5-A output and an isolated 5-V, 0.2-A output. The design achieves a peak efficiency of 92.7%. This reference design features UCC28781-Q1 which is a zero-voltage switching (ZVS) flyback controller to minimize switching losses, UCC5350, a reinforced isolated gate driver to drive the synchronous rectifier MOSFET and TPS629203, a synchronous buck converter with low quiescent current.
Eigenschaften
- Peak efficiency of 92.7%
- ZVS on primary side
- Synchronous rectification to minimize conduction loss on 12-V output
Typische Anwendungen
- Medical PSU
- Industrial AC/DC
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | L(µH) | IR(A) | RDC max.(Ω) | Muster | |
|---|---|---|---|---|---|---|---|---|---|
 | WE-FI Funkentstördrossel, 32 µH, 2.6 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-FI Funkentstördrossel | Induktivität32 µH | Nennstrom2.6 A | Gleichstromwiderstand0.045 Ω |