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Design Notes

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  Bidirectional DC/DC Regulator and Supercapacitor Charger &mdash DN558
  PDF, 299 Kb, File published: Nov 14, 2016
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  Bidirectional DC/DC Regulator and
  Supercapacitor Charger
  Design Note 558
  Victor Khasiev
  Introduction
  The LTC В®3110 bidirectional buck-boost DC/DC regulator charges and balances a supercapacitor when a bus
  voltage is present (for example 3.3V) and discharges
  the supercapacitor into the load when the bus fails.
  The LTC3110 maintains the bus’s nominal level (3.3V in
  the example in Figure 1) even if the supercapacitor
  voltage is above or below the nominal bus voltage.
  Supporting the load this way allows data backup and
  retention during a power interruption—important in a
  wide variety of industrial and automotive applications. Industrial applications, however, share something
  in common with consumer electronics: the trend
  toward increased portability and mobility. Space is
  increasingly limited for electronics inside modern
  industrial equipment. The volume, in particular the
  thickness, of a data storage unit is at a premium in
  industrial assemblies and modules. With that in mind,
  the solution herein aims to minimize the profiles of
  the selected components. Table 1 shows two passive
  component group options, arranged by thickness: …

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• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck

Other Names:

LT8608HMSEPBF, LT8608HMSE PBF