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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  Compact Step-Up Converter Conserves Battery Power &mdash DN358
  PDF, 76 Кб, Файл опубликован: 11 янв 2005
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  advertisement Compact Step-Up Converter Conserves Battery Power
  Design Note 358
  Mike Shriver
  Introduction
  The LTВ®3464 is an ideal choice for portable devices
  which require a tiny, efficient and rugged step-up converter. The device, housed in a low profile (1mm) 8-lead
  ThinSOTв„ў package, integrates a Schottky diode, NPN
  main switch and PNP output disconnect switch. For
  light load efficiency, Burst Mode® operation is used to
  deliver power to the load. This results in high efficiency
  and minimal battery current draw over a broad range
  of load current. Quiescent current is only 25ОјA. While
  in shutdown, the output disconnect switch separates
  the load from the input, further increasing battery run
  time. This same feature reduces the fault current to
  45mA (typ) when the output is shorted to ground, a
  feature that few boost converters offer.
  Another advantage of the LT3464 is its small solution
  size. A constant off-time architecture is used with п¬Ѓxed
  peak current limit switching. The low current limit of
  115mA and an off-time of 250ns enable the use of tiny
  surface mount inductors and capacitors, while an internal phase lead capacitor reduces output voltage ripple.
  L …

Статьи

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  Micropower SOT-23 Boost with Integrated Schottky Diode Provides Output Disconnect and Short Circuit Protection &mdash LT Journal
  PDF, 234 Кб, Файл опубликован: 1 сен 2003
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  DESIGN FEATURES Micropower SOT-23 Boost
  with Integrated Schottky Diode
  Provides Output Disconnect and
  by Leonard Shtargot
  Short Circuit Protection
  Introduction
  The LT3464 is the only micropower
  boost converter in the industry to
  combine a 36V NPN power switch,
  power Schottky diode, and output
  disconnect into an 8-lead ThinSOT.
  This unprecedented level of integration saves several external components
  while offering true output disconnect,
  making it possible to generate outputs
  of up to 34V with a zero current shutdown while using a mere 40mm2 of
  board area (refer to Fig. 1).
  In addition to component savings, the LT3464 offers a low typical
  switch current limit of 115mA and fast
  switching, a combination that allows
  the use of a tiny chip inductor and tiny
  ceramic capacitors. The LT3464 also
  features Burst Mode control (see Figure 2), which results in highly efficient
  operation over a wide range of load …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > LCD/CCD/OLED Bias | SEPIC Regulators
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Micropower Boost | Internal Power Switch Boost

Варианты написания:

LT3464ETS8TRPBF, LT3464ETS8 TRPBF