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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
- Consumer Electronic Power Supplies
- AC−DC Adapters for Notebooks, LCD, and Printers
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) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744841330 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMB NiZn Stromkompensierte Netzdrossel | 3 | 30 | 26 | 250 | 1500 | NiZn | 16 | 7.5 | 17.5 | THT | ||
| 744841414 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMB NiZn Stromkompensierte Netzdrossel | 4 | 14 | 15 | 250 | 1500 | NiZn | 16 | 7.5 | 17.5 | THT |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
|---|