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  Wide Input Voltage Range Buck-Boost Converter Simplifies Design of Variable Input Supplies &mdash DN413
  PDF, 79 Kb, 档案已发布: Mar 21, 2007
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  advertisement Wide Input Voltage Range Buck-Boost Converter Simplifies
  Design of Variable Input Supplies – Design Note DN413
  John Canfield
  Introduction
  Many of today’s portable electronic devices require
  the ability to operate from a variety of power sources
  including USB, wall adapters, and alkaline and lithium
  batteries. Designing a power conversion solution that
  is compatible with this wide array of power sources can
  be daunting. The LTC В®3530 monolithic synchronous
  converter simplifies the task by operating in both buck
  and boost modes over an extended input voltage range
  of 1.8V to 5.5V. No complicated topology is required to
  account for varying inputs that can be above, below or
  equal to the output.
  The LTC3530 utilizes a proprietary switching algorithm
  that provides seamless transitions between buck and
  boost modes while simultaneously optimizing efficiency
  over all operating conditions. Using this advanced control
  algorithm, the LTC3530 is capable of high efficiency, fixed
  frequency operation with input voltages that are above,
  below, or equal to the output voltage, while requiring only
  a single inductor. This capability makes the LTC3530 well …

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• Power Management > Switching Regulator > Buck-Boost Regulators > Internal Power Switch Buck-Boost

其他名称:

LTC3530EMSPBF, LTC3530EMS PBF