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  Monolithic Synchronous Step-Down Regulator Sources 3A or Sinks 1.5A in TSSOP or 3mm × 4mm QFN &mdash LT Journal
  PDF, 578 Kb, File published: Dec 1, 2009
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  L DESIGN FEATURES Monolithic Synchronous Step-Down
  Regulator Sources 3A or Sinks 1.5A
  in TSSOP or 3mm Г— 4mm QFN
  by Genesia Bertelle Introduction Design Versatility
  Depending on the application requirements, a designer can either prioritize
  light load efficiency or minimize supply noise by choosing from three light
  load operating modes: Burst Mode
  operation, pulse-skipping, or forced
  continuous modes. Burst Mode operation provides high efficiency over
  the entire load range by reducing gate
  charge losses at light loads. Burst
  Mode operation is an efficient solution
  for low current applications, but in
  some applications noise suppression
  is a higher priority. Forced continuous
  operation, though not as efficient as
  Burst Mode operation at light loads,
  maintains a constant switching frequency, making it easier to reduce
  10 VIN
  3.3V
  SVIN
  402k
  100k RT_SYNC 12.1k …

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Manufacturer's Classification

• Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck
• Power Management > Switching Regulator > DDR Memory/Bus Termination
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Other Names:

LTC3612HUDCPBF, LTC3612HUDC PBF