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Экологический статус

Application Notes

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  Overview of the EEPROM in LTC PSM Devices &mdash AN145
  PDF, 3.0 Мб, Файл опубликован: 10 май 2014
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  Application Note 145
  July 2015
  Overview of the EEPROM in LTC PSM Devices
  Nick Vergunst Introduction convenient List Of All Options Linear TechnologyВ® has a large family of devices that
  provide a great deal of power and configurability for all
  applications. These parts additionally provide onboard
  nonvolatile memory (NVM) in the form of EEPROM to
  store and recall configuration parameters and on some
  devices provide a fault log and user scratch pad. Option 1A. Manual programming with LTpowerPlayв„ў
  Built In Programming Utility (PC->NVM) These Power System Management(PSM) devices’ architectures allow them to power up and load the desired
  configuration parameters from this NVM autonomously
  with no I2C or firmware interaction required.
  A common question customers ask is, “Now that I have
  settled on a particular configuration, how do I program
  this configuration into the chip’s onboard nonvolatile
  memory (NVM).”
  Some available options are presented in rough order of
  increasing complexity throughout the document.
  NOTE: Linear Technology strongly recommends
  Option 1 for preproduction prototyping, and
  OptionВ 2, Option 3 or Option 4 for higher volume
  production. Option 5 is a convenient method to
  program a small quantity of loose ICs prior to board …

Design Notes

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  6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management &mdash DN554
  PDF, 231 Кб, Файл опубликован: 27 июл 2016
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  6A Monolithic Synchronous DC/DC Step-Down Converter
  with Digital Power System Management
  Design Note 554
  Haoran Wu
  Digital Power System Management (PSM) controllers usually target high current point-of-load (POL)
  applications. Lower current applications, with up to
  6A load current, can also benefit from PSM features.
  The LTC В®3815 is a 6A monolithic synchronous stepdown converter with digital power monitoring and
  control features. input pin. The operating supply voltage range is from
  2.25V to 5.5V, making it suitable for operation from
  2.5V, 3.3V or 5V input rails or lithium-ion batteries.
  6A Converter at 1MHz
  FigureВ 1 shows a typical application with an input
  voltage range of 2.25V to 5.5V and an output of
  1.8V at 6A. The LTC3815 uses a phase lockable controlled ontime, constant frequency, current mode architecture,
  that provides extremely fast load step transient
  response with minimum output capacitance. It also
  enables operation at the very low on-times required
  to regulate low output voltages at high switching
  frequencies for minimum solution size. The output
  voltage is programmable from 0.4V to 72% of the
  input voltage with a single external resistor or with an
  external voltage reference through the reference (REF) The efficiency curve for the circuit in FigureВ  1 is …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
• Power Management > Switching Regulator > Digitally Programmable Regulators
• Monitor, Control and Protection > Digital Power System Management > DC/DC Regulator With Power System Management

Варианты написания:

LTC3815IUFEPBF, LTC3815IUFE PBF