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Seiko Instruments stellt neue, ultrakleine integrierte Schaltungen bei LDO-Spannungsreglern vor


News provided by

Seiko Instruments Inc.

Feb 22, 2011, 00:15 ET

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TOKYO, February 15, 2011 /PRNewswire/ --

- Die S-1312/1313 LDO Serien integrieten Schaltungen bei Spannungsreglern ermöglichen hochdichte Komponentenentwürfe, hervorragende Verlustleistung und den Schutz vor Abschaltung bei thermischer Überbeanspruchung,zusätzlich zur verbesserten Gerätezuverlässigkeit -

Seiko Instruments Inc. (SII) hat am 15. Februar die S-1312/1313 Serie bekanntgegeben - die kleinste äussere Leitpackung (0,8 x 0,8 x 0,4 mm) LDO Spannungsregler mit 850 mW Verlustleistung, die Kapazität zur Abschaltung bei thermischer Überbeanspruchung, hohe Brummablehnung und sehr niedrigen 0,9-mikroampere Stromaufnahme. Die neuen Regulatoren wurden für den Gebrauch in Smartphones, Handys, Digitalkameras, Notebook-Rechner, Hörgeräte und andere Entwürfe von Batterie betriebenen, tragbaren Geräten, optimiert.

Der Schutz vor Abschaltung bei thermischer Überbeanspruchung ist eingebaut, wodurch der Schaltkreis automatisch beschützt wird wenn die Sperrschichttempertatur 150 Grad Celsius erreicht und nimmt dann die Steuerung wieder auf, wenn es auf 120 Grad Celsius fällt. Überstromschutz ist auch eine eingebaute Funktion.

Die Stromaufnahme wurde auf extrem-niedrigeren Ebenen reduziert (S-1313: 0,9 Mikroampere und S-1312: 20 Mikroampere), wodurch die Betriebszeit der Batterie und der Vorrichtung verlängert wird, wobei eine hervorragende Brummablehnung von 75 dB vorgesehen ist (typisch). Die Ausgangsspannung wird mit hoher Genauigkeit von +/- 1,0% aufrechterhalten.

Bei der Anwendung des ultrakleinen SII HSNT-4(0808) Packets (0,8 x 0,8 x 0,4 mm), besetzen die Regulatoren nur einen Drittel der Fläche der herkömmlichen SNT-4 Paketregulatoren, wärend eine automatische, optische Lötstelleninpektion ermöglicht wird und so die Herstellungsgewinne und Zuverlässigkeit verbessert wird. Das Paket beinhaltet ein Wärmeableiter, 850 mW ableitungfähig (Tafelgrösse 40 x 40 x 0,8 mm, 4 Schichten, 50% Kupferanteil), um so höhere Zuverlässigkeit und Leistung zu liefern.

Das Design des Aussenanschlusses verringert die Ausfallrate im Zusammenhang mit einer Beugung in der Leiterplatte und im Zusammenhang mit mechanischem Schock. Dies ist vor allem für Kleinverbrauchergeräte, wie zum Beispiel Smartphones wichtig, die durch dauerhaften Gebrauch belastet werden.

Beide Regulatoren sind auch in SOT-23-5- und SC-82AB-Pakete erhältlich.

    
    Ausführliche Information:
    http://datasheet.sii-ic.com/en/voltage_regulator/S1312_E.pdf
    http://datasheet.sii-ic.com/en/voltage_regulator/S1313_E.pdf

    Besuchen Sie:
    Englisch: http://www.sii-ic.com/en
    Chinesisch, Vereinfacht: http://www.sii-ic.com/cn

Informationen zu Seiko Instruments Inc. (SII)

Eine Haupt-Filiale der Seiko Holdings Corporation (TSE: 8050). Entwickelt, stellt Uhren, Präzisionskomponente und Werkzeugmachinen, elektronische Komponente, Kommunikationsprodukte und Leistungen, Drucker, Mess- und Analysengeräte her und vekauft diese.

Besuchen Sie die Seite: http://www.sii.co.jp/corp/eg/index.html

    
    Kontaktperson:
    Tomohiro Io
    Corporate Communications Dept.
    Seiko Instruments Inc.
    Tel: +81-43-211-1111
    Email: [email protected]
    Anfragen Online: http://speed.sii.co.jp/pub/corp/pr/inq_menu_en.jsp

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