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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-265 V |
| Ausgang 1 | 19 V / 3.5 A |
Beschreibung
The NCP1239 is a fixed-frequency current-mode controllerfeaturing a high-voltage start-up current source to provide a quick andlossless power-on sequence. This controller is pin-to-pin compatiblewith the former NCP1236. Only few components need to be changedin order to plug this new controller generation in an existing board.This application note will compare the performance of a typical 65-Wapplication evaluation board originally equipped with the NCP1236controller and upgraded with a NCP1239.A NCP1236 demonstration board has been selected for this test.The specifications of this board are listed in Table 1.
Typische Anwendungen
- Auxiliary/Housekeeping Power Supplies
- Offline Battery Chargers
- AC−DC Adapters for Notebooks, LCD, and Printers
- Consumer Electronic Power Supplies
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-CMB NiZn Stromkompensierte Netzdrossel, 3 A, 30 µH | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB NiZn Stromkompensierte Netzdrossel | Nennstrom3 A | Induktivität30 µH | Gleichstromwiderstand26 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialNiZn | Länge16 mm | Breite7.5 mm | Höhe17.5 mm | MontageartTHT | ||||
| WE-CMB NiZn Stromkompensierte Netzdrossel, 4 A, 14 µH | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB NiZn Stromkompensierte Netzdrossel | Nennstrom4 A | Induktivität14 µH | Gleichstromwiderstand15 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialNiZn | Länge16 mm | Breite7.5 mm | Höhe17.5 mm | MontageartTHT |