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• Descargar
  Linear Technology Magazine Circuit Collection, Volume IV &mdash AN84
  PDF, 2.4 Mb, Archivo publicado: abr 1, 2000
  Application Note 84 is a collection of "power circuits" from the years 1996 through 1998 as seen in the pages of Linear Technology magazine. This Application Note collects circuits that can output tens of amps to circuits that can operate a handheld device for several years. In addition to a wide variety of traditional power supply circuits (Buck, Boost, Inverting, Flyback, Linear Regulators, etc.) we include circuits for charging batteries, several Power Management circuits as well as circuits that highlight a very low noise switching regulator.
  Extracto del documento

  Application Note 84
  April 2000 Linear Technology Magazine Circuit Collection, Volume IV
  Power Products
  Richard Markell, Editor
  INTRODUCTION
  Application Note 84 is the fourth in a series that excerpts
  useful circuits from Linear Technology magazine to preserve them for posterity. This application note highlights
  “power” circuits from issue VI:1 (February 1996) through
  issue VIII:4 (November 1998). Another application note
  will feature data conversion, interface and signal processing circuits from the same era. Like its predecessor, AN 66,
  this Application Note includes circuits that can power
  most any system you can imagine, from “server” power
  supplies that generate in excess of 50 amps to micropower systems for portable and handheld equipment.
  Also included are power converters that can be voltage programmed using Intel’s VID code. Charge pump converters, linear regulators and battery charger circuits are
  included here, with Li-Ion batteries receiving extra attention. There are, of course, circuits that cannot be so simply
  categorized. Come browse. I’ll get out of the way and let
  the authors describe their creations.
  Note: Article Titles appear in this application note exactly
  as they originally appeared in Linear Technology magazine. This may result in some inconsistency in the usage
  of terminology. TABLE OF CONTENTS
  Introduction . 1
  REGULATORS—SWITCHING (BUCK)
  New LTCВ®1435–LTC1439 DC/DC Controllers Feature Value and Performance . 4 …

Artículos

• Descargar
  LTC1710: Two 0.4 Ohm Switches with SMBus Control Fit into Tiny MSOP-8 Package &mdash LT Journal
  PDF, 245 Kb, Archivo publicado: mayo 1, 1998
  Extracto del documento

  DESIGN FEATURES LTC1710: Two 0.4Ω Switches with SMBus
  Control Fit into Tiny MSOP-8 Package
  by Peter Guan
  Introduction Two 0.4Ω Switches in MSOP-8 The LTC1710 SMBus dual switch is a
  complete solution for supplying power
  to portable-equipment peripherals
  without the need for external switches.
  Two internal high-side N-channel
  switches, each capable of delivering
  300mA at an RDS(ON) of 0.4Ω, are available in the tiny MSOP-8 package. With
  a low standby current of 14ВµA, the
  LTC1710 operates on an input voltage
  of 2.7V to 5.5V while maintaining the
  SMBus-specified 0.6V VIL and 1.4V
  VIH input thresholds.
  Figure 1 shows a typical application of the LTC1710 switching two
  different SMBus peripherals. Figure
  2 shows a block diagram of the
  LTC1710 architecture, which can be
  broken down into four basic building
  blocks: the two N-channel power
  MOSFETs, the regulated chargepump driver, the power-on reset and
  undervoltage-lockout units and the …

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• Monitor, Control and Protection > High Side Switches & MOSFET Drivers