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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 (A) | RDC max. (Ω) | fres (MHz) | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447462102 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TI Tonneninduktivität | 1000 | 0.25 | 0.27 | 6 | 2.3 | Schrumpfschlauch |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 7447462102 | SPEC |
| Muster |
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| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Muster |
|---|