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Texas Instruments UCC28742 | Demoboard PMP40508
AC input, 5-V/2-A and 12-V/2.5-A dual-output flyback converter reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-265 V |
| Schaltfrequenz | 80-130 kHz |
| Ausgang 1 | 5 V / 2 A |
| Ausgang 2 | 12 V / 2.5 A |
| IC-Revision | 001 |
Beschreibung
This reference design is a 40-W dual-output offline converter using UCC28742, a secondary side regulator. A 5-V rail is regulated to within ±1% precision and cross regulation of 12-V rail is within -8%~+14% at 25% to 100% load. The design adopts a single-layer PCB for cost optimization. The peak efficiency is 82.68% at 115 V/60 Hz and 84.03% at 230 V/50 Hz. Power consumption at standby mode is 32.7 mW at 115 V/60 Hz and 57.51 mW at 230 V/50 Hz.
Eigenschaften
- Single-layer PCB design for cost optimization
- High precision of 5-V output rail
- Peak efficiency 82.68% at 115 V/60 Hz and 84.03% at 230 V/50 Hz
- Low standby power consumption
Typische Anwendungen
- Smart Electricity Meters
- Industrial and Medical AC-to-DC Power Supplies / Bias Supply for UPS, Server PSU, etc
- AC-to-DC Power Supply for Appliances
- Power Supply for Cable Modem, Television, Set-Top Box, and Wireless Routers
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | ISAT (A) | fres (MHz) | Version | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | 2 | Rising Cage Clamp | PCB | Ja | Horizontal | 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | -40 °C bis zu +105 °C | 3.5 | Karton | – | – | – | 10 | – | – | – | – | – | 7.05 | – | – | THT | |
 | 744823220 | SPEC | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CMB Stromkompensierte Netzdrossel | 4 | – | – | – | – | – | – | – | – | – | – | -40 °C bis zu +125 °C | – | – | – | – | THT | 1.5 | 20 | 270 | 250 | 1500 | MnZn | 23 | 13.8 | 25.5 | THT | ||
 | 890324025027CS | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTX2 Folienkondensatoren | – | Across the mains | – | – | – | – | 220 nF | X2 | 180 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 15 | Karton | – | – | – | – | – | – | 275 | – | – | 18 | 6 | 11.5 | Boxed THT | ||
 | 7447462022 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TI Tonneninduktivität | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4.3 | 65 | Schrumpfschlauch | 6.3 | 0.0022 | 20 | – | – | – | 6 | 6 | 8.5 | THT |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 691214110002 | SPEC | – |
| 744823220 | SPEC | |
| 890324025027CS | SPEC | |
| 7447462022 | SPEC |
| Muster |
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| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins (Value) (pcs) | Anwendung | PCB/Kabel/Panel | Modularity | Typ | Wire Section | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | ISAT (A) | fres (MHz) | Version | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
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