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Купить LT8613 на РадиоЛоцман.Цены — от 174 до 1 927 ₽ 27 предложений от 16 поставщиков Интегральные микросхемы Силовые чипы — регуляторы напряжения — постоянного тока коммутирующие
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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  42V High Power Density Buck Regulators in a Tiny QFN Package &mdash DN1038
  PDF, 331 Кб, Файл опубликован: 4 дек 2015
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  42V High Power Density Buck Regulators in a Tiny QFN
  Package
  Design Note 1038
  Ying Cheng
  Introduction
  Power dissipation is a significant problem facing the
  designers of DC/DC converters in industrial and automotive applications, where high currents are required,
  but space is limited. It is possible to produce a highly
  efficient regulator from high performance discrete
  components, but expense and solution footprint make
  this approach prohibitive. The LT8612/LT8613 high
  efficiency buck regulators integrate all the necessary
  components into a single IC, significantly reducing
  the DC/DC converter size, even when faced with high
  step-down ratios. These devices can also be paralleled
  to increase the output current capability and spread
  the load and heat. high efficiency power switches allows these switches,
  the boost diode, internal compensation and all necessary circuitry to be encapsulated in a tiny 3mm Г— 6mm
  QFN package without overheating. Figure 1 shows a
  typical 5V/30W LT8612 converter; its efficiency and
  power loss are demonstrated in Figure 2. Even with
  an input voltage of 24V, the LT8612 can produce a
  30W output with no more than 50В°C temperature rise. …

Статьи

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  42V High Power Density Buck Regulators in a Tiny QFN Package &mdash LT Journal
  PDF, 334 Кб, Файл опубликован: 11 авг 2016
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  42V High Power Density Buck Regulators in a Tiny QFN
  Package
  Ying Cheng Power dissipation is a significant problem facing the designers of DC/DC converters
  in industrial and automotive applications, where high currents are required, but space
  is limited. It is possible to produce a highly efficient regulator from high performance
  discrete components, but expense and solution footprint make this approach
  prohibitive. The LT8612/LT8613 high efficiency buck regulators integrate all the
  necessary components into a single IC, significantly reducing the DC/DC converter
  size, even when faced with high step-down ratios. These devices can also be
  paralleled to increase the output current capability and spread the load and heat.
  Other desirable features included in these
  regulators are ultralow quiescent current
  to maximize battery life, and high switching frequency to minimize solution size
  and avoid noise-sensitive frequency bands. Figure 2. Even with an input voltage
  of 24V, the LT8612 can produce a 30W
  output with no more than 50В°C temperature rise. At the other end of the load
  spectrum, the LT8612/LT8613 uses low
  ripple Burst ModeВ® operation to enhance
  efficiency in ultralow load situations. HIGHLY EFFICIENT 42V, 6A
  REGULATORS IN
  3mm Г— 6mm PACKAGE The minimum on-times of LT8612/
  LT8613 are as low as 40ns, allowing
  for high VIN/VOUT ratios even at high …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
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