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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Статьи

• Скачать
  1.2MHz and 2.7MHz, 1.5A Boost Converters Drive Big LCDs, LEDs &mdash LT Journal
  PDF, 218 Кб, Файл опубликован: 1 мар 2002
  Выписка из документа

  DESIGN IDEAS 1.2MHz and 2.7MHz, 1.5A Boost
  Converters Drive Big LCDs, LEDs
  by Albert Wu Introduction Triple Output TFT Supply
  Figure 1 shows a typical triple output
  TFT supply. The main output of 8V
  can provide 375mA of output current. Charge pumps are used to
  generate the 23V and –8V outputs.
  Figure 2 shows the efficiency of the
  circuit as the 8V output load is varied. The efficiency graph includes the 85
  80
  75
  EFFICIENCY (%) is useful in applications where noise
  in the 1MHz region is unacceptable,
  such as DSL power supplies and automotive LED dash board backlights.
  Both parts include an integrated softstart function to keep the start-up
  inrush current well controlled. The
  LT1946 comes in the space saving
  MSOP-8 package with a maximum
  height of 1.1mm, and the LT1946A
  comes in a MSOP-8E thermally enhanced package. The LT1946/LT1946A is a step-up,
  or boost, DC/DC converter with a
  built-in 1.5A, 200mΩ switch. The
  minimum current limit of 1.5A is …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost

Варианты написания:

LT1946AEMS8ETRPBF, LT1946AEMS8E TRPBF