Datasheet Linear Technology LTC3720EGN#PBF — Даташит

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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  Active Voltage Positioning Reduces Output Capacitors &mdash Design Solutions 10
  PDF, 130 Кб, Файл опубликован: 1 ноя 1999
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  Design Solutions 10
  November 1999
  Active Voltage Positioning Reduces Output Capacitors
  by Robert Sheehan
  INTRODUCTION
  Power supply performance, especially transient response,
  is key to meeting today’s demands for low voltage, high
  current microprocessor power. In an effort to minimize
  the voltage deviation during a load step, a technique that
  has recently been coined “active voltage positioning” is
  generating substantial interest and gaining popularity in
  the portable computer market. The benefits include lower
  peak-to-peak output voltage deviation for a given load
  step, without having to increase the output filter capacitance. Alternatively, the output filter capacitance can be
  reduced while maintaining the same peak-to-peak transient response.
  BASIC PRINCIPLE
  The term “active voltage positioning” (AVP) refers to
  setting the power supply output voltage at a point that is
  dependent on the load current. At minimum load, the
  output voltage is set to a slightly higher than nominal level.
  At full load, the output voltage is set to a slightly lower than
  nominal level. Effectively, the DC load regulation is
  degraded, but the load transient voltage deviation will be …

Статьи

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  VRM8.5 Design with the LTC3720 Achieves Small Size and Fast Transient Response &mdash LT Journal
  PDF, 174 Кб, Файл опубликован: 9 авг 2004
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  DESIGN IDEAS VRM8.5 Design with the LTC3720
  Achieves Small Size and Fast Transient
  Response
  by David Chen
  Several different brands of CPUs
  fall into IntelВ® VRM8.5 category. Depending upon clock frequency and
  computation power, these CPUs consume different levels of supply current
  ranging from several amperes to 30A.
  The newly released LTC3720 single-3.3V POWER GOOD
  BAT54C 3 CSS
  0.1ВµF 1
  0.01ВµF INT VCC 2
  4 CC 220pF R
  VP2
  105k
  RVP1 21.0k 5
  6
  20k 220pF 7 David Chen Lower the Output Voltage Ripple of
  Positive-to-Negative DC/DC Converters
  with Optimum Capacitor Hook-Up
  . 22
  Keith Szolusha Use a Single Input to Acquire Two
  Similar Signals Simultaneously and …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Digitally Programmable Regulators

Варианты написания:

LTC3720EGNPBF, LTC3720EGN PBF