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  3mm × 3mm Monolithic DC/DC Boost/Inverting Converters with 65V Power Switches &mdash LT Journal
  PDF, 230 Kb, Archivo publicado: jul 7, 2015
  Extracto del documento

  3mm Г— 3mm Monolithic DC/DC Boost/Inverting Converters
  with 65V Power Switches
  Joshua Moore The vast array of power supply rails required by modern electronics has popularized the
  use of compact, easy-to-use monolithic DC/DC converters, such as the LT3580 boost/
  inverting converter. The LT8580, LT8570, and LT8570-1 build on the success of the LT3580,
  increasing the switch voltage to 65V and the input voltage to 40V, while retaining features
  and pin compatibility. The LT8580 includes a 65V, 1A power switch, whereas the LT8570 and
  LT8570-1 step the switch current limit down to 0.5A and 0.25A, respectively. Various current
  options enable application optimization—a monolithic converter sized for specific demands
  can be smaller and more efficient than one designed for greater load currents. Optimized
  sizing for current limit helps limit input and output current in the event of a short or failure.
  In addition to the new options, all
  devices in the family—LT®3580, LT8580,
  LT8570, and LT8570-1—are pin compatible. With a few simple component
  changes, the same PCB layout can be
  used for a range of applications, allowing fast turnaround design changes and
  reuse. The LT8580, LT8570, and LT8570-1
  retain the LT3580’s features such as single
  resistor feedback, for both positive and
  negative output voltages, overtemperature protection, frequency foldback, and an
  external clock input pin. And, like the
  LT3580, many features are user adjustable, including oscillator frequency,
  soft-start, UVLO and output voltage. All …

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Clasificación del fabricante

• Power Management > Switching Regulator > Inverting Regulators | SEPIC Regulators
• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost

Otros nombres:

LT8580IDDPBF, LT8580IDD PBF