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Fujitsu Semiconductor Europe GmbH Pittlerstraße 47 63225 Langen, Germany http://www.fme.fujitsu.com
Contact Mr Jim Bryant +49 6103 6900
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Fujitsu Semiconductor Europe GmbH

Fujitsu kündigt DC/DC-Wandler mit kurzer Einschwingzeit an

(PresseBox) (Langen, )
Fujitsu Microelectronics Europe (FME) hat heute einen neuen Zweikanal-DC/DC-Wandler mit kurzer Einschwingzeit angekündigt, der u.a. in Geräten wie LCD-Fernsehern und digitalen Videorekordern eingesetzt werden kann. Der MB39A145 verwendet ein 'bottom detection'-Komparator- verfahren, welches sehr schnell auf Lastschwankungen reagiert und so für eine stabilere "low ripple" Ausgangsspannung sorgt. Durch die verbesserte Stabilität lässt sich die Anzahl externer Bauelemente, wie Kondensatoren, reduzieren und dadurch der Flächenbedarf minimieren Bei Lastströmen unterhalb 100mA wechselt der IC in einen Pulsfrequenzmodulations-Modus (PFM) um den Wirkungsgrad zu steigern. Damit bietet der Baustein in allen Strombereichen hohe Effizienz und senkt den Stromverbrauch von Endgeräten auch im Standby-Modus.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.