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Texas Instruments UCC28730 | Demoboard PMP41063
300-V-1,000V input 48-W isolated auxiliary power reference design with low standby power
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 300-1000 V |
| Ausgang 1 | 12 V / 4 A |
| IC-Revision | 001 |
Beschreibung
This reference design provides an isolated 12-V, 48-W output power conversion with cascaded flyback topology. The power supply can be powered from the 300-V to 1,000-V direct current (DC) input. This design uses valley switching flyback controller UCC28730 to achieve less than 70-mW low standby power consumption at 1,000-V input voltage to extend the battery lifetime.
Eigenschaften
- Wide input-voltage range from 300-V to 1,000-V input voltage
- Less than 70-mW no-load power consumption at 1,000-V input voltage
- Primary-side regulation design (no optocoupler) extend product lifetime
- Minimized output undershoot and overshoot during load transient
- Uniform start-up time across input voltage range
- 86.14% efficiency at 1,000-V input and 48-W output
Typische Anwendungen
- 300V-1000V input 48-W isolated auxiliary power
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | Bauform | Betriebstemperatur | Q(%) | RISO | Keramiktyp | Fl(mm) | Verpackung | IRP,40K(A) | ISAT(A) | fres(MHz) | Version | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (DC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 4.7 pF, ±0.5pF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität4.7 pF | Kapazität±0.5pF | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Güte494 % | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | Nennspannung25 V (DC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | |||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | BauformXS | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | – | – | – | – | VersionTHT | Nennstrom2 A | Induktivität1 mH | Gleichstromwiderstand45 mΩ | Nennspannung250 V (DC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge15 mm | Breite7.8 mm | Höhe18 mm | MontageartTHT | ||||
| WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | BauformXS | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | – | – | – | – | VersionTHT | Nennstrom0.7 A | Induktivität10 mH | Gleichstromwiderstand350 mΩ | Nennspannung250 V (DC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge15 mm | Breite7.5 mm | Höhe18 mm | MontageartTHT | ||||
 | WE-PD SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PD SMT-Speicherdrossel | – | – | Bauform7345 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | – | Performance Nennstrom8.6 A | Sättigungsstrom10.2 A | Eigenresonanzfrequenz100 MHz | VersionGestanzt | Nennstrom6.84 A | Induktivität0.001 mH | Gleichstromwiderstand10 mΩ | – | – | – | Länge7.3 mm | Breite7.3 mm | Höhe4.5 mm | MontageartSMT | ||||
750345387 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |