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Texas Instruments LM5022-Q1 | Demoboard PMP21783
60-W, Ultra-wide range power supply reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 120-375 V |
| Ausgang 1 | 12 V / 3.5 A |
| IC-Revision | C |
Beschreibung
This reference design provides a 12-Vdc, 5-Vdc, and 3.3-Vdc output from an ultra-wide range of both AC and DC inputs. A universal 85 to 265-Vac input can be applied to the input of the quasi-resonant flyback. For DC inputs ranging from 24 to 150-Vdc, a boost creates a 150-V bus voltage that is fed to the QR flyback. If the input is 150 to 250-Vdc, the boost does not switch to improve efficiency while still powering the flyback and other down stream converters.
Eigenschaften
- Accepts a 24-V to 250-Vdc input or universal AC input
- Flyback design achieves 85% efficiency across load
- Buck converters can both achieve 92% efficiency
- Single-sided assembly on the PCB
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(nH) | LR(nH) | IR(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Raster(mm) | Ø D(mm) | L(mm) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCM SMT-Hochstrominduktivität, 300 nH, 220 nH | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-HCM SMT-Hochstrominduktivität | Induktivität300 nH | Nenninduktivität220 nH | Nennstrom25 A | Sättigungsstrom 122.2 A | Sättigungsstrom @ 30%25 A | Gleichstromwiderstand0.26 mΩ | Eigenresonanzfrequenz31 MHz | MaterialMnZn | – | – | – | – | – | – | – | – | Länge10.5 mm | – | ||||
 | WCAP-ATLI Aluminium-Elektrolytkondensatoren, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-ATLI Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | – | Kapazität680 µF | Nennspannung35 V (DC) | Endurance 5000 | Rippelstrom2260 mA | Leckstrom238 µA | Verlustfaktor9 % | Raster5 mm | Durchmesser13 mm | Länge20 mm | VerpackungAmmopack |