• Part: KB3440
  • Manufacturer: Kingbor Technology
  • Size: 235.77 KB
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KB3440 Key Features

  • Synchronous Rectification: Up to 96% Efficiency
  • 40µA Quiescent Current in Burst Mode® Operation
  • Up to 600mA Continuous Output Current
  • No Schottky Diodes Required (V OUT < 4.3V)
  • 2.5V to 5.5V Input and Output Range
  • Programmable Oscillator Frequency from 300kHz to 2MHz
  • Synchronizable Oscillator
  • Burst Mode Enable Control
  • 5 µA Shutdown Current
  • Small Thermally Enhanced 10-Pin MSOP and (3mm × 3mm) DFN Packages

Related Kingbor Technology Datasheets

Part Number Description
KB3408 350mA Synchronous Step-Down Regulator
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KB3426 800mA Synchronous Step-Down Regulator
KB3429 Synchronous Boost DC//DC Regullator
KB3436 Micropower Synchronous Boost Converter

KB3440 Description

The kB3440 is a high efficiency, fixed frequency, BuckBoost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single lithium-ion, multicell alkaline or NiMH applications where the output voltage is within the battery voltage range. The...

KB3440 Applications

  • Synchronous Rectification: Up to 96% Efficiency
  • 40µA Quiescent Current in Burst Mode® Operation
  • Up to 600mA Continuous Output Current