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2007-06-01 - Divers/Site Internet - Anglais - 24 page(s)

De Lima Jader, Saez Richard, Dualibe Fortunato , "MC34713 : 5A 1MHz Fully Integrated Single Switch-Mode Power Supply (http://www.nxp.com/assets/documents/data/en/data-sheets/MC34713.pdf))"

  • Codes CREF : Circuits intégrés (DI2531)
  • 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 34713 is a highly integrated, space efficient, low cost, single synchronous buck switching regulator with integrated N-channel power MOSFETs. It is a high performance point-of-load (PoL) power supply with the ability to track an external reference voltage in different configurations. This device is powered by SMARTMOS technology. Its high efficient 5.0 A continuous outputcurrent capability combined with its voltage tracking/sequencing ability and tight output regulation, makes it ideal as a single power supply. The 34713 offers the designer the flexibility of many control, supervisory, and protection functionsto allow for easy implementation of complex designs. It is housed in a Pb-free, thermally enhanced, and space-efficient 24-Pin Exposed Pad QFN. Features •50 mintegrated N-channel power MOSFETs • Input voltage operating range from 3.0 to 6.0 V • 1% accurate output voltage, ranging from 0.7 to 3.6 V • Voltage tracking capability in different configurations. • Programmable switching frequency range from 200 kHz to 1.0 MHz with a default of 1.0 MHz • Programmable soft start timing • Over-current limit and short-circuit protection • Thermal shutdown • Output over-voltage and under-voltage detection • Active low power good output signal • Active low shutdown input.

(Anglais) The 34713 is a highly integrated, space efficient, low cost, single synchronous buck switching regulator with integrated N-channel power MOSFETs. It is a high performance point-of-load (PoL) power supply with the ability to track an external reference voltage in different configurations. This device is powered by SMARTMOS technology. Its high efficient 5.0 A continuous outputcurrent capability combined with its voltage tracking/sequencing ability and tight output regulation, makes it ideal as a single power supply. The 34713 offers the designer the flexibility of many control, supervisory, and protection functionsto allow for easy implementation of complex designs. It is housed in a Pb-free, thermally enhanced, and space-efficient 24-Pin Exposed Pad QFN. Features •50 mintegrated N-channel power MOSFETs • Input voltage operating range from 3.0 to 6.0 V • 1% accurate output voltage, ranging from 0.7 to 3.6 V • Voltage tracking capability in different configurations. • Programmable switching frequency range from 200 kHz to 1.0 MHz with a default of 1.0 MHz • Programmable soft start timing • Over-current limit and short-circuit protection • Thermal shutdown • Output over-voltage and under-voltage detection • Active low power good output signal • Active low shutdown input.

Notes :
  • (Anglais) © Freescale Semiconductor, Inc. , 2008-2014.