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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  20V, 2.5A Monolithic Synchronous Buck SWITCHER+ with Input Current, Output Current and Temperature Sensing/ Limiting Capabilities &mdash DN511
  PDF, 467 Кб, Файл опубликован: 19 дек 2012
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  20V, 2.5A Monolithic Synchronous Buck SWITCHER+ with
  Input Current, Output Current and Temperature Sensing/
  Limiting Capabilities
  Design Note 511
  Tom Gross
  Introduction
  The LTC В®3626 synchronous buck regulator with
  current and temperature monitoring is the first of
  Linear’s SWITCHER+™ line of monolithic regulators. It is a high efficiency, monolithic synchronous
  step-down switching regulator capable of delivering
  a maximum output current of 2.5A from an input
  voltage ranging from 3.6V to 20V (circuit shown in
  Figure 1). The LTC3626 employs a unique controlled
  on-time/constant-frequency, current-mode architecture, making it ideal for low duty cycle applications
  and high frequency operation, while yielding fast
  response to load transients (see Figure 2). It also
  features mode setting, tracking and synchronization
  capabilities. The LTC3626’s 3mm × 4mm package
  has such low thermal impedance that it can operate
  without an external heat sink even while delivering
  maximum power to the load. VIN
  3.6V TO 20V C2
  47ВµF …

Статьи

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  20V, 2.5A Synchronous Monolithic Buck with Current and Temperature Monitoring &mdash LT Journal
  PDF, 2.4 Мб, Файл опубликован: 17 янв 2013
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  20V, 2.5A Synchronous Monolithic Buck with
  Current and Temperature Monitoring
  K. Bassett The LTC3626 integrates a number of easyto-use, but powerful, features that would
  normally require additional ICs and design
  time to implement. Specifically, with the
  addition of just a couple of passive components, the LTC3626 can be configured to
  provide accurate measures of its output
  current, input current, and on-die temperature. It can be just as easily programmed
  to limit each measured parameter.
  These built-in features expand the
  designer’s insight into the performance
  of the system and increase the level of
  control with remarkably little extra
  design investment. Additionally, optional
  internal loop compensation is available to minimize the design effort. 32 | January 2013 : LT Journal of Analog Innovation The LTC3626 also includes userselectable Burst Mode operation or
  forced-continuous mode, resistorprogrammable switching frequencies
  from 500kHz to 3MHz, power good
  status output, output tracking capability, and external clock synchronization.
  CURRENT MONITOR AND LIMIT One way to measure the overall performance of a system is to is to monitor the
  current at the output of the power supply.
  Supply current monitoring also informs
  designers if downsteam ICs are operating as expected—useful in design and
  debug, and during normal operation. …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck

Варианты написания:

LTC3626IUDCPBF, LTC3626IUDC PBF