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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 85-265 V |
| Schaltfrequenz | 0.05-0.06 kHz |
| Ausgang 1 | 15 V / 1 A |
| IC-Revision | 1.0 |
Beschreibung
The STR3A453D is a power IC for switching power supplies, incorporating a power MOSFET and a current-mode PWM controller IC.The product achieve low power consumption and low standby power by including a startup circuit and a standby function that automatically switch operation modes – PWM mode in normal operation and burst-oscillation mode under light-load conditions. Its enhanced protection functions also enable higher cost-effective power supply systems with few external components.
Eigenschaften
・Low Thermal Resistance Package・Improving circuit efficiency (Since the step drive control can keep VRM of secondary rectification diodes low, the circuit efficiency can be improved by low VF.)・Current Mode Type PWM Control・Soft Start Function・Auto Standby Function No Load Power Consumption < 15mW・Operation Mode Normal Operation: PWM Mode Light Load Operation: Green-Mode Standby: Burst Oscillation Mode・Random Switching Function・Slope Compensation Function・Leading Edge Blanking Function・Bias Assist Function・Protections Overcurrent Protection (OCP): Pulse-by-Pulse Overload Protection (OLP): Auto-restart Overvoltage Protection (OVP): Auto-restart Thermal Shutdown (TSD): Auto-restart with hysteresis
Typische Anwendungen
- AC/DC adapter
- White goods
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | Verpackung | Tol. C | Bauform | Betriebstemperatur | Q(%) | Keramiktyp | Fl(mm) | IR(A) | L(mH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Folienkondensatoren, Across the mains, 100 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTX2 Folienkondensatoren | Kapazität100 nF | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit300 V/µs | Verlustfaktor0.1 % | Isolationswiderstand30 GΩ | Raster10 mm | VerpackungLose | Kapazität±10% | BauformRaster 10 mm | Betriebstemperatur -40 °C up to +105 °C | – | – | – | – | – | – | Nennspannung275 V (AC) | – | – | Länge13 mm | Breite7 mm | Höhe13 mm | MontageartBoxed THT | ||||
 | WE-FC Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-FC Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | BauformUT20V | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Nennstrom0.8 A | Induktivität13 mH | Gleichstromwiderstand0.81 Ω | Nennspannung250 V (AC) | Prüfspannung2000 V (AC) | MaterialMnZn | Länge21.3 mm | Breite16.6 mm | Höhe22.5 mm | MontageartTHT | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, 470 pF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität470 pF | – | – | – | Isolationswiderstand10 GΩ | – | Verpackung7" Tape & Reel | Kapazität±5% | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | KeramiktypNP0 Klasse I | Pad Dimension0.5 mm | – | – | – | Nennspannung50 V (AC) | – | – | Länge2 mm | Breite1.25 mm | Höhe0.8 mm | – |