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Details
| Topologie | Sperrwandler |
| Ausgang 1 | 50 V / 1 A |
| IC-Revision | 1.02 |
Beschreibung
The SSL5257TE is a highly integrated, high-precision buck-boost controller with aninternal MOSFET. It is intended to drive low-cost compact dimmable LED lamps up to10 W. The SSL5257TE is designed to achieve high power factor, phase-dimmableapplications.The SSL5257TE operates in Boundary Conduction Mode (BCM) with on-time control. Itregulates a constant output current over line and load variations. The wide switchingfrequency range makes it possible to choose an inductor, which enables the optimizationof inductor size, efficiency and EMI.The SSL5257TE can start up and operate in switching mode directly from the rectifiedmains. To provide a low-cost driver design, an off-the-shelf inductor can be used, whichprovides flexibility in application design.
Eigenschaften
Integrated MOSFET (10 /700 V) Supports most available dimming solutions Deep dimming level Flicker-free dimming Low component count ensuring a compact solution and small, single layerPrinted-Circuit Board (PCB) footprint Excellent line regulation and load regulation and good LED output current accuracy Hotaru current control Internal thermal foldback Efficient BCM operation with: Minimal recovery losses in freewheel diode Zero Current Switching (ZCS) and Valley switching for turn-on of switch Minimal inductance value and size required High efficiency (up to 90 %) Ultra low IC current during operation (< 200 A) Auto-recovery protections: UnderVoltage LockOut (UVLO) Cycle-by-cycle OverCurrent Protection (OCP) Internal OverTemperature Protection (OTP) Output OverVoltage Protection (OVP) Output Short Protection (OSP) Extended IC lifetime
Typische Anwendungen
- The SSL5257TE is intended for low-cost, non-isolated dimmable lighting applications
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | MusterVerfügbarkeit & Muster | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-CMB Stromkompensierte Netzdrossel, 2 A, 20 mH | Verfügbarkeit – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | Nennstrom2 A | Induktivität20 mH | Gleichstromwiderstand220 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge27.5 mm | Breite18.5 mm | Höhe33 mm | MontageartTHT | –Verfügbarkeit prüfen | |||
 | SPECWE-CMB NiZn Stromkompensierte Netzdrossel, 2 A, 0.047 mH | Verfügbarkeit – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB NiZn Stromkompensierte Netzdrossel | Nennstrom2 A | Induktivität0.047 mH | Gleichstromwiderstand40 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialNiZn | Länge16 mm | Breite7.5 mm | Höhe17.5 mm | MontageartTHT | –Verfügbarkeit prüfen | |||
 | 750312186 | SPECInductor, –, 0.696 mH | Simulation– | Verfügbarkeit – | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Inductor | – | Induktivität0.696 mH | – | – | – | – | Länge20.83 mm | Breite24.64 mm | Höhe11.43 mm | MontageartTHT | –Verfügbarkeit prüfen |
750314464 | SPECFlyback Transformer - WE-FB, –, – | Simulation– | Verfügbarkeit – | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer - WE-FB | – | – | – | – | – | – | – | – | – | – | –Verfügbarkeit prüfen |
| Erwartete Verfügbarkeit | Eingehender Bestand | Menge |
|---|---|---|
| Aktuelle Verfügbarkeit | – | – |