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Details
| Topologie | Leistungsfaktor-Korrektur |
| Schaltfrequenz | 27.4 kHz |
| IC-Revision | 04 |
Beschreibung
The 8−pin PFC controller NCL2801 is designed to drive PFC boost stages. It is based on an innovative Valley Count Frequency Fold−back (VCFF) method. The circuit classically operates in Critical conduction Mode (CrM) for high load values. When the load decreases a Discontinuous Conduction Mode DCM is forced by forcing a dead time which, by construction corresponds to a fixed number of valleys. The lower the output power, the higher the number of valleys corresponding to the dead time. After DCM works down to 6th valley switching and if the load continues to decrease, a dead time is continuously added to the 6th valley. The end of additional dead time is synchronized with the drain voltage valley. The maximum switching period is limited to 36.5 s. VCFF maximizes the efficiency during DCM and light load. In particular, the stand−by losses are reduced to a minimum. Like in FCCrM controllers, internal circuitry allows near−unity power factor even when the switching frequency is reduced. Housed in a SO−8 package, the circuit also incorporates the features necessary for robust and compact PFC stages, with few external components.
Eigenschaften
- Near−Unity Power Factor
- Critical Conduction Mode (CrM)
- Valley Count Frequency Fold−Back (VCFF)
- Peak Current Control Mode to Maintain a Proper Current Shaping in VCFF Mode
- Fast Line / Load Transient Compensation (Dynamic Response Enhancer) Option
- Brown−out Detection
- Two−level Line Feed−Forward (HL&LL)
- Valley Turn−on (No Valley Hoping by Construction)
- High Drive Capability: −500 mA / +800 mA
- VCC Range: from 10.5 V to 27 V
- Low Start−up Consumption for :
- [C]& [D] Option: Low VCC Start−up Level (12.5 V)[A]& [B] Option: High VCC Start−up Level (17.0 V)[E]& [F] Option: High VCC Start−up Level (10.5 V)
- This is a Pb−Free Device
Typische Anwendungen
- Lighting Ballasts (LED, Fluorescent), • Flat TV
- PC Power Supplies, All Off Line Appliances Requiring Power Factor Correction
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | VR 2 (V (DC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | Tol. C | Betriebstemperatur | DF (%) | Keramiktyp | Fl (mm) | fres (MHz) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Vin | n | ISAT (A) | RDC1 max (mΩ) | RDC2 max (mΩ) | Bauform | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691131710002 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-TBL Series 1317 - Rising Cage Clamp 5.00mm pitch - Horizontal cable entry - THT | 2 | Pressure Clamp Divisible | PCB | Nein | Horizontal | 30 to 12 (AWG) 0.05 to 3.31 (mm²) | – | – | – | – | – | – | -30 °C bis zu +120 °C | 5 | Karton | – | -30 °C up to +120 °C | – | – | – | – | – | – | – | – | 22 | – | – | – | – | – | 10 | – | – | THT | – | – | – | – | – | – | |
| 691131710003 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-TBL Series 1317 - Rising Cage Clamp 5.00mm pitch - Horizontal cable entry - THT | 3 | Pressure Clamp Divisible | PCB | Nein | Horizontal | 30 to 12 (AWG) 0.05 to 3.31 (mm²) | – | – | – | – | – | – | -30 °C bis zu +120 °C | 5 | Karton | – | -30 °C up to +120 °C | – | – | – | – | – | – | – | – | 22 | – | – | – | – | – | 15 | – | – | THT | – | – | – | – | – | – | |
 | 744824433 | SPEC | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMB Stromkompensierte Netzdrossel | 4 | – | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | 4 | 3.3 | 35 | 250 | 1500 | MnZn | 27.5 | 18.5 | 33 | THT | – | – | – | – | – | L | ||
 | 760806400 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-PFC PFC Chokes | 4 | – | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | – | -40 °C up to +125 % | – | – | – | – | – | – | – | – | 3 | 0.18 | – | – | 1500 | – | 48 | 43 | 32 | THT | 85 - 265 V (AC) | 9:1 | 13.2 | 78 | 200 | RM14 | ||
 | 890334024003CS | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTXX Folienkondensatoren | – | Across the mains | – | – | – | – | 330 nF | 630 | X2 | 260 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 12.5 | Karton | ±10% | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | 310 | – | – | 15 | 8.5 | 14 | Boxed THT | – | – | – | – | – | Pitch 12.5 mm | ||
| 890334024002 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTXX Folienkondensatoren | – | Across the mains | – | – | – | – | 220 nF | 630 | X2 | 240 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 12.5 | Lose | ±10% | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | 310 | – | – | 15 | 7 | 12.5 | Boxed THT | – | – | – | – | – | Pitch 12.5 mm | ||
 | 744117 | SPEC | – | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-SI Speicherdrossel | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | -40 °C up to +105 °C | – | – | – | 1.8 | – | – | – | 23 | 2 | 0.39 | 250 | – | – | – | 23 | 12.5 | 12 | THT | – | – | 0.8 | – | – | – | |
 | 860080672001 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATLI Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | 22 µF | – | – | – | – | – | -55 °C bis zu +105 °C | 2 | Ammopack | ±20% | – | 8 | – | – | – | 2000 | 220 | 11 | 5 | – | – | – | 50 | – | – | 11 | – | – | – | – | – | – | – | – | – | ||
 | 885012206083 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | 1 nF | – | – | – | – | 10 GΩ | – | – | 7" Tape & Reel | ±10% | -55 °C up to +125 °C | 2.5 | X7R Klasse II | 0.4 | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | – | – | – | – | – | 0603 | ||
| 885012208061 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | 330 nF | – | – | – | – | 1.5 GΩ | – | – | 7" Tape & Reel | ±10% | -55 °C up to +125 °C | 3.5 | X7R Klasse II | 0.6 | – | – | – | – | – | – | – | – | 25 | – | – | 3.2 | 1.6 | 0.95 | – | – | – | – | – | – | 1206 | ||
| 885012208066 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | 2.2 µF | – | – | – | – | 0.2 GΩ | – | – | 7" Tape & Reel | ±10% | -55 °C up to +125 °C | 3.5 | X7R Klasse II | 0.6 | – | – | – | – | – | – | – | – | 25 | – | – | 3.2 | 1.6 | 1.6 | – | – | – | – | – | – | 1206 | ||
| 885012208087 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | 100 nF | – | – | – | – | 5 GΩ | – | – | 7" Tape & Reel | ±10% | -55 °C up to +125 °C | 2.5 | X7R Klasse II | 0.6 | – | – | – | – | – | – | – | – | 50 | – | – | 3.2 | 1.6 | 0.8 | – | – | – | – | – | – | 1206 | ||
 | 890303325008CS | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird in Kürze eine Änderung am Bauteil durchgeführt. Anbei finden Sie die entsprechende PCN. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTBP Folienkondensatoren | – | – | – | – | – | – | 150 nF | – | – | 200 | 0.1 | 30000 MΩ | -40 °C bis zu +105 °C | 15 | Karton | ±5% | – | – | – | – | – | – | – | – | – | – | – | – | 630 | – | – | 18 | 7 | 13 | – | – | – | – | – | – | Pitch 15 mm |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 691131710002 | SPEC | – |
| 691131710003 | SPEC | – |
| 744824433 | SPEC | |
| 760806400 | SPEC | |
| 890334024003CS | SPEC | |
| 890334024002 | SPEC | |
| 744117 | SPEC | – |
| 860080672001 | SPEC | |
| 885012206083 | SPEC | |
| 885012208061 | SPEC | |
| 885012208066 | SPEC | |
| 885012208087 | SPEC | |
| 890303325008CS | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird in Kürze eine Änderung am Bauteil durchgeführt. Anbei finden Sie die entsprechende PCN. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | VR 2 (V (DC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | Tol. C | Betriebstemperatur | DF (%) | Keramiktyp | Fl (mm) | fres (MHz) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Vin | n | ISAT (A) | RDC1 max (mΩ) | RDC2 max (mΩ) | Bauform | Muster |
|---|