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LINEAR TECHNOLOGY GmbH Oskar-Messter-Straße 24 85737 Ismaning, Germany http://www.linear.com
Contact Doug Dickinson +1 408-432-1900 ext. 2233
Company logo of LINEAR TECHNOLOGY GmbH
LINEAR TECHNOLOGY GmbH

35W-Power-over-Ethernet-PD-Controller mit Synchron-NoOpto-Flyback-Controller schließt die PoE+ Lücke

(PresseBox) (Ismaning, )
Linear Technology präsentiert den LTC4268-1, einen PoE- (Power over Ethernet) Schnittstellencontroller mit einem integrierten Synchron/Current-Mode-Schaltregler, der eine exakt geregelte Betriebsspannung für leistungshungrige PDs (Powered Devices) liefert und sich durch hohen Wirkungsgrad auszeichnet. Der LTC4268-1 kann eine Ausgangsleistung bis zu 35W für 2-Paar-Systeme bzw. 70W für 4-Paar-Systeme liefern. Der LTC4268-1 schließt die bisherige Lücke bei PoE+ (IEEE 802.3at) und ermöglicht die Entwicklung innovativer Hochleistungs-PoE-Geräte, die den Anforderungen dieses aufkommenden Standards genügen.

Das “Herz” des LTC4268–1 ist ein für potenzialgetrennte PoE-Anwendungen optimierter Hochleistungs-Schaltregler. Der Chip verwendet die für Linear Technology patentierte NoOpto-Reglertopologie und erreicht dadurch ohne Optokoppler eine vollwertige IEEE 802,3-Isolation.
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