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  2.7V to 40V Monolithic Buck-Boost DC/DC Expands Input Capabilities, Regulates Seamlessly through Automotive Cold-Crank and Load-Dump Transients &mdash LT Journal
  PDF, 3.9 Mb, Archivo publicado: enero 17, 2013
  Extracto del documento

  design features 2.7V to 40V Monolithic Buck-Boost DC/DC Expands
  Input Capabilities, Regulates Seamlessly through
  Automotive Cold-Crank and Load-Dump Transients
  John Canfield Handheld devices, industrial instruments and automotive electronics all demand power
  supply solutions that can support an expansive range of input voltages resulting from
  automotive input voltage transients, resistive line drops and a wide variety of power
  sources. As a further design challenge, applications often require a variety of regulated
  voltage rails, including some that fall within the input voltage range. The LTC3115-1
  buck-boost DC/DC converter, with its wide 2.7V to 40V input and output voltage
  capability, high efficiency, small footprint and seamless transition between step-up and
  step-down modes of operation, easily meets the requirements of such applications.
  For automotive electronics, the LTC3115-1
  provides uninterrupted operation through
  load dump transients and even the harshest cold-crank conditions. Its programmable switching frequency optimizes
  efficiency and supports operation at 2MHz
  to ensure that switching noise and harmonics are located above the AM broadcast
  band. The LTC3115-1 employs a proprietary low noise PWM control algorithm
  that minimizes electromagnetic emissions over all operating conditions even
  during transitions between the step-up
  and step-down modes of operation and
  over the full range of load current. An
  internal phase-locked loop allows switching edges to be synchronized with an
  external clock for further control of …

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Clasificación del fabricante

• Power Management > Switching Regulator > Buck-Boost Regulators > Internal Power Switch Buck-Boost
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Otros nombres:

LTC3115IDHD-2TRPBF, LTC3115IDHD-2 TRPBF, LTC3115IDHD2#TRPBF, LTC3115IDHD 2#TRPBF