Datasheet Linear Technology LT8315IFE#PBF — Даташит

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Купить LT8315IFE#PBF на РадиоЛоцман.Цены — от 197 до 1 332 ₽ 22 предложений от 9 поставщиков Регулируемые Импульсные DC - DC Стабилизаторы
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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

• Скачать
  560V Input, No-Opto Isolated Flyback Converter &mdash DN559
  PDF, 383 Кб, Файл опубликован: 18 янв 2017
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  Design Note
  560V Input, No-Opto Isolated Flyback Converter
  George Qian
  Introduction
  In traditional isolated high voltage flyback converters, tight
  regulation is achieved using opto-couplers to transfer
  regulation information from the secondary-side reference
  circuitry to the primary side. The problem is that optocouplers add significant complexity to isolated designs:
  there is propagation delay, aging, and gain variation, all
  of which complicate power supply loop compensation and
  can reduce reliability. Moreover, during start-up, either a
  bleeder resistor or high voltage start-up circuit is required
  to initially power up the IC. Unless an additional high voltage
  MOSFET is added to the start-up components, the bleeder
  resistor is a source of unwelcome power loss.
  The LTВ®8315 is a high voltage flyback converter with an
  integrated 630V/300mA switch. The LT8315 eliminates
  the need for an opto-coupler, complicated secondary-side
  reference circuitry, additional start-up components, and an
  external high voltage MOSFET. Performance and Simplicity
  The LT8315 integrates a 630V MOSFET and control circuitry
  inside a thermally enhanced 20-pin TSSOP package with
  four pins removed for high voltage spacing. By sampling …

Статьи

• Скачать
  560V Input, No-Opto Isolated Flyback Converter &mdash LT Journal
  PDF, 176 Кб, Файл опубликован: 7 июл 2017
  Выписка из документа

  560V Input, No-Opto Isolated Flyback Converter
  George Qian In traditional isolated high voltage flyback converters, tight regulation is achieved using
  opto-couplers to transfer regulation information from the secondary-side reference
  circuitry to the primary side. The problem is that opto-couplers add significant complexity
  to isolated designs: there is propagation delay, aging, and gain variation, all of which
  complicate power supply loop compensation and can reduce reliability. Moreover,
  during start-up, either a bleeder resistor or high voltage start-up circuit is required to
  initially power up the IC. Unless an additional high voltage MOSFET is added to the
  start-up components, the bleeder resistor is a source of unwelcome power loss.
  The LT8315 is a high voltage flyback
  converter with an integrated 630V/300mA
  switch. The LT8315 eliminates the
  need for an opto-coupler, complicated
  secondary-side reference circuitry,
  additional start-up components, and
  an external high voltage MOSFET.
  PERFORMANCE AND SIMPLICITY The LT8315 integrates a 630V MOSFET
  and control circuitry inside a thermally
  enhanced 20-pin TSSOP package with four
  pins removed for high voltage spacing.
  By sampling the isolated output voltage
  from the third winding, no opto-coupler
  is required for regulation. The output …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers

Варианты написания:

LT8315IFEPBF, LT8315IFE PBF