Datasheet Linear Technology LTC3405AES6-1.5#PBF — Ficha de datos

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LTC3405A-1.8 LTC3405A-1.8

Notas de Diseño

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  Simple, Efficient, All-in-One USB Power Management IC Solution &mdash DN1008
  PDF, 66 Kb, Archivo publicado: agosto 1, 2004
  Extracto del documento

  advertisement Simple, Efficient, All-in-One USB Power Management IC Solution
  Design Note 1008
  John Shannon
  Introduction
  Linear Technology offers a variety of devices that simplify
  converting power from a USB cable, but the LTCВ®3455
  represents the highest level of functional integration yet
  achieved. The LTC3455 seamlessly manages power flow
  between an AC adapter, USB cable and Li-ion battery,
  while complying with USB power standards, all from a
  4mm Г— 4mm QFN package. In addtion, two high efficiency
  synchronous buck converters generate low voltage rails
  which most USB-powered peripherals require. The
  LTC3455 also provides power-on reset signals for the
  microprocessor, a Hot SwapTM output for powering
  memory cards as well as an uncommitted gain block
  suitable for use as a low-battery comparator or an LDO
  controller. The PCB real estate required for the entire USB
  power control circuit and two DC/DC converters is only
  225mm2.
  The simplified block diagram of the LTC3455 in Figure 1
  shows the major components that allow the LTC3455 to
  accomplish multiple functions. The DC/DC conversion is …

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Clasificación del fabricante

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck

Otros nombres:

LTC3405AES6-1.5PBF, LTC3405AES6-1.5 PBF, LTC3405AES61.5#PBF, LTC3405AES6 1.5#PBF