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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 STR5A450 Series is power IC for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC for non-isolated Buck converter and Inverting converter topologies.The operation mode is automatically changed, in response to load, to the fixed switching frequency, to the switching frequency control, and to the burst oscillation mode. Thus the power efficiency is improved.The product achieves high cost-performance power supply systems with few external components.
Eigenschaften
・Buck converter・Inverting converter・Current mode type PWM control・Automatically changed operation mode in response to loadconditions Fixed switching frequency mode, 60 kHz (typ.) Green mode, 23 kHz (typ.) to 60 kHz (typ.) Burst oscillation mode・Built-in Startup Function・Built-in Error Amplifier・Random Switching Function・Leading Edge Blanking Function・Soft Start Function・Protections Overcurrent Protection (OCP): adjustabe by an externalresistor Overload Protection (OLP): Auto-restart Overvoltage Protection (OVP): Auto-restart Thermal Shutdown with hysteresis (TSD): Auto-restart
Typische Anwendungen
- Auxiliary power supply
- Power supply for motor control
- Other Switching mode power supply, SMPS
- Telecommunication equipment
- White goods
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | 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) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324023023 | SPEC | 8 Dateien | WCAP-FTX2 Folienkondensatoren | Across the mains | 100 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 10 | Lose | ±10% | Pitch 10 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 275 | – | – | 13 | 7 | 13 | Boxed THT | ||
 | 7448640415 | SPEC | 8 Dateien | WE-FC Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | – | – | UT20V | -40 °C up to +125 °C | – | – | – | 0.8 | 13 | 0.81 | 250 | 2000 | MnZn | 21.3 | 16.6 | 22.5 | THT | ||
 | 885012007061 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 50 V(DC) | – | 470 pF | – | – | – | 10 GΩ | – | – | 7" Tape & Reel | ±5% | 0805 | -55 °C up to +125 °C | 1000 | NP0 Klasse I | 0.5 | – | – | – | 50 | – | – | 2 | 1.25 | 0.8 | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 890324023023 | SPEC | |
| 7448640415 | SPEC | |
| 885012007061 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | 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) | W (mm) | H (mm) | Montageart | Muster |
|---|