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Экологический статус

Design Notes

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  Surge Stoppers Ease MIL-STD-1275D Compliance &mdash DN534
  PDF, 186 Кб, Файл опубликован: 25 ноя 2014
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  Surge Stoppers Ease MIL-STD-1275D Compliance
  Design Note 534
  Dan Eddleman
  Introduction
  A military vehicle is a tough environment for electronics, where the potential for damaging power supply
  fluctuations is high. U.S. Department of Defense MILSTD-1275D sets down the requirements for electronics when powered from a 28V supply, ensuring that
  electronics survive in the field.
  MIL-STD-1275D compliance can be achieved by brute
  force, shunting high energy levels to ground using bulky
  passive components. This method does not guarantee
  power delivery to downstream electronics and can require replacing damaged protection components when
  they do their job. A more compelling solution is to use
  high voltage surge stoppers such as the LTC В®4366 and
  LTВ®4363, which use series MOSFETs to limit the output
  voltage when faced with input voltage spikes and surges.
  A surge stopper reference design for MIL-STD-1275D
  is available as Linear Technology demonstration circuit
  DC2150A-C. This board limits its output voltage to 44V
  when faced with input voltages as high as 250V, while
  providing 4A of current to the output in all circumstances
  except the В±7V ripple test, when the available current
  is reduced to 2.8A. In most circumstances, satisfying
  MIL-STD-1275D is as simple as placing this circuit in …

Статьи

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  High Voltage Surge Stoppers Ease MIL-STD-1275D Compliance by Replacing Bulky Passive Components &mdash LT Journal
  PDF, 355 Кб, Файл опубликован: 9 апр 2014
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  design features High Voltage Surge Stoppers Ease MIL-STD-1275D
  Compliance by Replacing Bulky Passive Components
  Dan Eddleman Electronics in a military vehicle face a unique set of
  challenges, chief among them operation from a perverse
  power supply. Recognizing the difficult power supply
  fluctuations that occur in the field, the US Department
  of Defense created MIL-STD-1275D to set down the
  requirements of electrical systems powered from a
  military vehicle’s 28V supply. Designing systems to
  withstand MIL-STD-1275D’s surge and related transients
  traditionally requires large and expensive passive
  components. Linear Technology’s surge stopper product
  line is well suited to protecting systems from this type
  of surge while reducing the cost and solution size.
  MIL-STD-1275D REQUIREMENTS MIL-STD-1275D defines a variety of
  conditions, most importantly those
  of steady state operation, starting disturbances, spikes, surges, and ripple.
  MIL-STD-1275D lays down requirements for each of these conditions
  in three separate “modes of operation”: starting mode, normal operating mode, and generator-only mode.
  Before describing the specifics of spikes,
  surges, ripple, and other requirements, let’s
  first look at the modes of operation. Not
  surprisingly, “starting mode” describes …

Модельный ряд

Классификация производителя

• Monitor, Control and Protection > Surge Stopper, Overvoltage & Overcurrent Protection
• Monitor, Control and Protection > Hot Swap Controllers > High Voltage Hot Swap Controllers
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Power Management