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  15V, 2.5A Monolithic Buck-Boost DC/DC Converter with 95% Efficiency and Low Noise Operation &mdash LT Journal
  PDF, 2.4 Mb, Archivo publicado: jul 20, 2012
  Extracto del documento

  design features 15V, 2.5A Monolithic Buck-Boost DC/DC Converter with
  95% Efficiency and Low Noise Operation
  Eddy Wells Power-hungry handheld devices and industrial instruments often require multicell or high
  capacity batteries to support their ever-increasing processing needs. A wide voltage range,
  high efficiency buck-boost DC/DC converter is the ideal solution for longer battery run
  times and handling multiple input sources. The LTC3112 is a 2.2V to 15V input capable
  2.5A buck-boost converter. The extended voltage range allows conversion from a variety of
  power sources such as one, two or three Li-ion cells, lead acid batteries, supercapacitors,
  USB cables and wall adapters to output voltages programmed between 2.5V and 14V.
  The LTC3112 features the latest generation
  buck-boost PWM control scheme, effectively eliminating jitter when crossing the
  barrier between buck and boost operation. Safeguards such as current limit,
  overvoltage protection, thermal shutdown,
  and short-circuit protection provide
  robust operation in harsh environments.
  For demanding applications where component size or conversion efficiency is critical, the LTC3112’s 750kHz default switching
  frequency can be synchronized between
  300kHz and 1.5MHz. For designs where
  output current needs to be controlled
  or measured, an output current monitor
  pin is available. Selectable Burst ModeВ®
  operation extends the operating life when
  the battery-powered device is idle. …

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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:

LTC3112MPDHDTRPBF, LTC3112MPDHD TRPBF