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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Статьи

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  Boost 12V to 140V with a Single Converter IC &mdash LT Journal
  PDF, 152 Кб, Файл опубликован: 2 ноя 2015
  Выписка из документа

  Boost 12V to 140V with a Single Converter IC
  Victor Khasiev Generating a high voltage from a much lower voltage
  presents a number of challenges for the classical single
  stage boost topology. For instance, the maximum
  duty cycle limitation of a boost controller may not
  allow the required step-up ratio. Even if it does, there
  is often a sharp decrease in efficiency at high duty
  cycles. The duty cycle can be shortened by choosing
  discontinuous mode of operation, but this leads to high
  peak input current, higher losses and EMI challenges.
  An alternative to a single boost converter
  is a 2-stage boost converter, where the
  first stage produces anВ intermediate
  voltage and the second stage boosts
  to the final high voltage. A 2-stage
  converter can be produced with a single
  controller IC, such as the LTC3788, a high performance 2-phase dual output
  synchronous boost controller, which
  drives all N‑channel power MOSFETs.
  The LTC3788 can be configured such that
  the first boost stage takes advantage of its
  synchronous rectification feature, which
  maximizes efficiency, reduces power losses FigureВ 1. Block diagram of LTC3788-based 2-stage boost converter CINT 40V ABS MAX TG1 SW1 PGOOD1 ILIM SS1 ITH1 FB1 SENSE1+ Q1 …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Multiple Output Boost | External Power Switch Boost

Варианты написания:

LTC3788IGN-1PBF, LTC3788IGN-1 PBF, LTC3788IGN1#PBF, LTC3788IGN 1#PBF