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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Статьи

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  LTC3202 Charge Pump Improves Efficiency for Powering White LEDs &mdash LT Journal
  PDF, 171 Кб, Файл опубликован: 1 сен 2001
  Выписка из документа

  DESIGN IDEAS LTC3202 Charge Pump Improves
  Efficiency for Powering White LEDs
  by Steven Martin
  Introduction
  White LEDs continue to make significant inroads as backlights for color
  active-matrix liquid crystal displays
  in portable equipment. They offer size,
  reliability and cost advantages over
  competing solutions such as cold
  cathode fluorescent lamps (CCFLs).
  However, they require a higher voltage than can be provided by a sagging
  lithium-ion battery. Charge pumps
  provide an economical and compact
  means of attaining a modest increase
  in voltage.
  Although charge pump solutions
  are simple, they can have drawbacks.
  They are typically noisy and have only IIN
  100mA/DIV 0mA 200ns/DIV Figure 2. Input current waveform at the input bypass capacitor DESIGN IDEAS
  LTC3202 Charge Pump Improves
  Efficiency for Powering White LEDs
  . 31
  Steven Martin SMBus Controls CPU Voltage …

Модельный ряд

Классификация производителя

• Power Management > Inductorless (Charge Pump) DC/DC Converters > Regulated Step-Up Charge Pumps | Inductorless (Charge Pump) LED Drivers

Варианты написания:

LTC3202EDDPBF, LTC3202EDD PBF