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Texas Instruments UCC28740 | Demoboard PMP41031
350-V to 1500-V input, 150-W isolated auxiliary power reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 350-1500 V |
| Ausgang 1 | 15 V / 3 A |
| Ausgang 2 | 8 V / 2 A |
| Ausgang 3 | 15 V / 0.8 A |
| Ausgang 4 | 24 V / 3 A |
| IC-Revision | E1 |
Beschreibung
This reference design provides four isolated outputs of 24 V,15 V, –15 V, 8 V and maximum 150-W output with two-switch flyback topology. The power supply can be powered from 350-V to 1500-V DC input. This design uses the valley switching UCC28740 flyback controller . The design achieves 89.11% efficiency at 600-V input and 86.17% efficiency at 1500-V input, full-load condition.
Eigenschaften
- Wide input range from 350-V to 1500-V DC
- Two-switch flyback topology recycles leakage energy
- Quasi-resonant mode controller improves efficiency
- Less voltage stress on the primary switch
- Peak efficiency of 89.11% at 600-V input and 150-W output
- 86.17% efficiency at 1500-V input and 150-W output
Typische Anwendungen
- Central inverter; DC fast charging station; Fuel cell inverter; Power conversion system (PCS); Single phase string inverter; Three Phase String Inverter
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | n | L(µH) | ∫Udt(µVs) | VT(V (AC)) | CWW 1(pF) | LS(µH) | Bauform | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-GDTI Gate-Drive-Übertrager, 1:1, 750 µH | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-GDTI Gate-Drive-Übertrager | Übersetzungsverhältnis1:1 | Induktivität750 µH | Spannung-µSekunde102 µVs | Prüfspannung2500 V (AC) | Koppelkapazität11 pF | Streuinduktivität4 µH | BauformEP7 | |||
 | 750345142 | Flyback Transformer, –, – | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer | – | – | – | – | – | – | – |