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2008-06-01 - Divers/Site Internet - Anglais - 28 page(s)

De Lima Jader, Dualibe Fortunato , Saez Richard, "The MC34700 : 9 to 18V, Quad Output, Integrated MOSFET Power Supply"

  • Codes CREF : Electronique et électrotechnique (DI2411)
  • Unités de recherche UMONS : Electronique et Microélectronique (F109)
  • Instituts UMONS : Institut NUMEDIART pour les Technologies des Arts Numériques (Numédiart)
  • Centres UMONS : Centre de Recherche en Technologie de l’Information (CRTI)

Abstract(s) :

(Anglais) The 34700 is a compact, high-efficiency power supply with on-chip power MOSFETs that features three step-down switching regulators and one low dropout linear regulator.The switching regulators utilize voltage mode control with external compensation, allowing flexibility in optimizing the performance of the 34700 for a given application. The 34700 is ideal for space constrained applications where multiple power rails are required and simplicity of design and implementation of the power supply is necessary. Over-voltage, under-voltage, over-current, and over-temperature protection features ensure robust and reliable operation. Fixed switching frequency, internal soft-start, andinternal power MOSFETs enable rapid power supply design and development. The 34700 is well suited for power supply designs in wide variety of applications, including set top boxes, cable modems, laser printers, fax machines, point-of-sale terminals, small appliances, telecom line cards, and DVD players

Notes :
  • (Anglais) © Freescale Semiconductor, Inc., 2009.