Datasheet Linear Technology LTC4020EUHF#PBF — Даташит

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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  55V High Efficiency Buck-Boost Power Manager and 55V High Efficiency Buck-Boost Power Manager and &mdash DN531
  PDF, 165 Кб, Файл опубликован: 27 авг 2014
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  55V High Efficiency Buck-Boost Power Manager and
  Multi-Chemistry Battery Charger
  Design Note 531
  Charlie Zhao
  Introduction
  Today, battery chargers are expected to easily support
  a variety of battery chemistries and accept a range of
  voltage inputs, including wide-ranging solar panels. It is
  increasingly common for input voltage ranges to span
  above and below the output battery voltage, requiring
  both step-down and step-up capability (buck-boost topology). The LTC4020 buck-boost power manager and
  multi-chemistry battery-charging controller can take
  wide-ranging 4.5V to 55V inputs and produce output
  voltages up to 55V. Its buck-boost DC/DC controller
  supports battery and system voltages above, below,
  or equal to the input voltage. The charger is easily optimized for a variety of battery
  chemistries. For instance, it can follow a constantcurrent/constant-voltage (CC/CV) charge algorithm,
  with either C/10 or timed termination for lithium-based
  battery systems, a constant-current (CC) characteristic
  with timed termination, or an optimized 4-step, 3-stage
  lead-acid charge profile.
  6.3A Charger for 25.2V Battery Float Voltage
  Figure 1 shows a 15V to 55V input, 25.2V/6.3A buckboost battery charger, featuring a high efficiency …

Статьи

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  Complete Single IC Power Management Battery Maintenance/Backup System for 48V Supplies &mdash LT Journal
  PDF, 143 Кб, Файл опубликован: 25 июл 2014
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  Complete Single IC Power Management Battery
  Maintenance/Backup System for 48V Supplies
  Jay Celani A common trend for electronic devices is increased portability; it is no longer
  universally acceptable for a device to turn off simply because somebody “pulled
  the plug.” In order to implement portable functionality, devices must include
  advanced power management systems that can control the path of power from
  available sources to appropriate system outputs, keep a backup element charged
  and ready, and ensure that a system has adequate power at all times.
  Elegant, single-IC power management
  solutions are readily available for many
  portable devices, such as smart phones
  or tablets, which operate at low voltages
  and low power levels. Power management solutions for high power and high
  voltage systems, such as those required
  for many industrial or medical devices,
  generally require cumbersome and
  complex specialized discrete component
  solutions. The LTC4020 simplifies power
  management in these environments by
  incorporating advanced power management functions into a high voltage
  and high power single-IC solution.
  The LTC4020 features an advanced
  4-switch buck/boost DC/DC power converter, support for optimized battery …

Модельный ряд

Классификация производителя

• Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers | Buck/Boost Battery Chargers
• Power Management > Energy Harvesting

Варианты написания:

LTC4020EUHFPBF, LTC4020EUHF PBF