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Texas Instruments UCC28740 | Demoboard PMP30276
440VAC Input Tampering Protected Valley Switching Flyback Reference Design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 156-400 V |
| Schaltfrequenz | 100 kHz |
| Ausgang 1 | 12 V / 1 A |
| IC-Revision | B |
Beschreibung
The PMP30276 is a tampering protected power supply reference design which can withstand an external magnetic field of 200mT. The frequency and amplitude modulation modes and the transformer were optimized for the protection against magnetic tampering at the expense of efficiency. The design uses the UCC28740 flyback controller to generate an isolated output 12V@0.5A (1.0A peak) from an AC input (156VAC-440VAC). The UCC28740 uses an optical coupler to regulate the output and to improve transient response.
Eigenschaften
Isolated outputValley switchingGood transient responseIntegrated 700V startup switchTest report available
Typische Anwendungen
- Industrial applications and appliances
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | ISAT(A) | fres(MHz) | IR(A) | L(µH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI HV Tonneninduktivität (High Voltage), 1.3 A, 3.7 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI HV Tonneninduktivität (High Voltage) | Sättigungsstrom1.3 A | Eigenresonanzfrequenz3.7 MHz | Nennstrom0.9 A | Induktivität220 µH | Gleichstromwiderstand0.6 Ω | – | – | – | Länge7.8 mm | Breite7.8 mm | Höhe9.5 mm | MontageartTHT | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | Nennstrom1.5 A | Induktivität3300 µH | Gleichstromwiderstand0.12 Ω | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge17.5 mm | Breite13 mm | Höhe22 mm | MontageartTHT | ||||
750370934 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Neui| Produkt ist neu im Portfolio und Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – |