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STMicroelectronics L4986A | Demoboard EVL4986A-1KWBL
Low THD-High Efficiency, 1KW Bridgeless CCM-PFC pre-regulator based on L4986A
Details
| Topologie | Leistungsfaktor-Korrektur |
| Eingangsspannung | 90-265 V |
| Schaltfrequenz | 65-130 kHz |
| Ausgang 1 | 400 V / 2.5 A |
| IC-Revision | 1 |
Beschreibung
The EVL4986A-1KWBL demonstration board is a bridgeless PFC pre-regulator, double boost topology, featuring 1 kW output power (400 Vdc) and wide input voltage range (90 Vac-265 Vac), based on the new L4986A peak current mode CCM power factor controller. It is intended as a front-end converter up to 1 kW, able to be compliant with IEC61000-3-2 and JEITA-MITI.The demo is designed on the double boost (Barbi) topology using two branches, each consisting of a boost stage, managing half mains cycle. Each section operates at almost fixed frequency (65 kHz).Thanks to the bridgeless approach and the L4986A control IC, the board offers high efficiency and low input current THD across the entire input voltage range. This is achieved using a low complexity schematic and fewer components compared to similar bridgeless solutions.
Eigenschaften
- Input mains range: 90 to 265 Vac - frequency 45 to 65 Hz
- Output voltage / load: 400 V / 2.5 A
- Efficiency:
- above 98% at 230 Vac (full load)
- above 95.5% at 115 Vac (full load)
- above 94% between 10% and 100% of full load
- No load mains consumption: below 250 mW at 230 Vac
- Mains harmonics in compliance with EN61000-3-2 Class-A and JEITA-MITI, Class-A
- EMI in accordance with EN55022 Class-B
- Safety in accordance with EN62368
- Dimensions 145 x 160 mm, height = 35 mm
- PCB: double sided, 70 µm, FR-4, mixed PTH/SMT
Typische Anwendungen
- High power LED luminaries
- IEC61000-3-2 and JEIDA-MITI compliant SMPS in excess of 1 kW, ndustrial and medical SMPS according to IEC 60601-1-2
- Desktop PC, game console
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | VR 2(V (DC)) | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | Verpackung | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (DC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTBE Folienkondensatoren, 470 nF, 504 V (DC) | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTBE Folienkondensatoren | Kapazität470 nF | Nennspannung 2504 V (DC) | – | Spannungsanstiegsgeschwindigkeit20 V/µs | Verlustfaktor1 % | Isolationswiderstand6.38 GΩ | Raster22.5 mm | VerpackungKarton | – | – | – | Nennspannung630 V (DC) | – | – | Länge26 mm | Breite9 mm | Höhe18 mm | – | ||||
 | WCAP-FTX2 Folienkondensatoren, 2.2 µF, 630 V (DC) | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTX2 Folienkondensatoren | Kapazität2.2 µF | Nennspannung 2630 V (DC) | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit170 V/µs | Verlustfaktor0.1 % | Isolationswiderstand4.55 GΩ | Raster22.5 mm | VerpackungLose | – | – | – | Nennspannung275 V (DC) | – | – | Länge26 mm | Breite15 mm | Höhe25 mm | MontageartBoxed THT | ||||
 | WE-CMBNC Stromkompensierte Netzdrossel Nanokristallin, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | – | Nennstrom15 A | Induktivität2 mH | Gleichstromwiderstand5 mΩ | Nennspannung300 V (DC) | Prüfspannung2100 V (AC) | MaterialNanokristallin | Länge29 mm | Breite19 mm | Höhe32 mm | MontageartTHT | |||||
750319521 | PFC Inductor, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |