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Texas Instruments UCC28742 | Demoboard PMP40467
AC Input,12-V/5-A and 50-V/1-A dual-output flyback reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 180-264 V |
| Schaltfrequenz | 80-130 kHz |
| Ausgang 1 | 12 V / 5 A |
| Ausgang 2 | 50 V / 1 A |
| IC-Revision | 001 |
Beschreibung
This reference design is a 12-V/5-A and 50-V/1-A isolated dual-output auxiliary power supply. Secondary-side regulation improves the line and load regulation using UCC28742. DCM valley-switching operation enable higher efficiency at light load. All components height below 20 mm enable slim TV application.
Eigenschaften
- Valley-switching enable higher efficiency at light load
- Higher integrated protection simplifies the bom cost and save space
- Components height is below 20 mm to enable slim TV application
Typische Anwendungen
- Smart Electricity Meters
- Industrial and Medical AC-to-DC Power Supplies / Bias Supply for UPS, Server PSU
- Power Supply for Cable Modem, Television, Set-Top Box, and Wireless Routers
- AC-to-DC Power Supply for Appliances
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | IRP,40K (A) | fres (MHz) | Bauform | Version | ISAT1 (A) | ISAT,30% (A) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324022017CS | SPEC | 8 Dateien | WCAP-FTX2 Folienkondensatoren | Across the mains | 68 nF | X2 | 400 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 7.5 | Karton | – | – | Pitch 7.5 mm | – | – | – | – | – | – | 275 | – | – | 10 | 6 | 12 | Boxed THT | ||
 | 744821240 | SPEC | 9 Dateien | WE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | – | – | XS | THT | – | – | 1.5 | 4 | 140 | 250 | 1500 | MnZn | 15.8 | 7.8 | 18 | THT | ||
 | 7447709680 | SPEC | 8 Dateien | WE-PD Speicherdrossel | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | 3.9 | 5.5 | 1210 | Standard | 3.6 | 4.4 | 3.2 | 0.068 | 89 | – | – | – | 12 | 12 | 10 | SMT | ||
| 7447709151 | SPEC | 9 Dateien | WE-PD Speicherdrossel | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | 2.6 | 3.5 | 1210 | Standard | 2.7 | 3.3 | 2.1 | 0.15 | 200 | – | – | – | 12 | 12 | 10 | SMT | ||
 | 74437321010 | SPEC | 8 Dateien | WE-LHMI SMT Speicherdrossel | – | – | – | – | – | – | – | – | – | 4.5 | 90 | 4012 | – | 5.65 | 10 | – | 0.001 | 47 | – | – | – | 4.45 | 4.06 | 1 | SMT |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 890324022017CS | SPEC | |
| 744821240 | SPEC | |
| 7447709680 | SPEC | |
| 7447709151 | SPEC | |
| 74437321010 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | IRP,40K (A) | fres (MHz) | Bauform | Version | ISAT1 (A) | ISAT,30% (A) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
|---|