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Texas Instruments UCC28881 | Demoboard PMP30123
High Line to 15V to 24V Constant Current Source @ 200mA for High Brightness LED Reference Design
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 184-270 V |
| Ausgang 1 | 24 V / 0.2 A |
| IC-Revision | B |
Beschreibung
A high voltage integrated-FET Buck converter is used to supply 200mA constant current to LEDs. The output voltage can range between 15V and 24V. An open-string protection circuit clamps the output voltage to stay always below 34V. The input voltage range is 184AVC to 270VAC
Eigenschaften
- Simple integrated HV-FET (700V) buck drives up to 8 high-brightness LEDs
- Very small solution (31mm x 38.3mm), suitable for several applications
- Non-isolated constant current source with over-voltage protection
- Short circuit protection
- REMARK: BOM AND SchematiC is added
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Tonneninduktivität, 1000 µH, 0.25 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Induktivität1000 µH | Nennstrom0.25 A | Sättigungsstrom 10.27 A | Gleichstromwiderstand6 Ω | Eigenresonanzfrequenz2.3 MHz | VersionSchrumpfschlauch |