LTC3440

PRODUCTION

Micropower Synchronous Buck-Boost DC/DC Converter

Part Models
4
1ku List Price
Starting From $3.30
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Part Details

  • Single Inductor
  • Fixed Frequency Operation with Battery Voltages
  • Above, Below or Equal to the Output
  • Synchronous Rectification: Up to 96% Efficiency
  • 25µA Quiescent Current in Burst Mode® Operation
  • Up to 600mA Continuous Output Current
  • No Schottky Diodes Required (VOUT < 4.3V)
  • VOUT Disconnected from VIN During Shutdown
  • 2.5V to 5.5V Input and Output Range
  • Programmable Oscillator Frequency from 300kHz to 2MHz
  • Synchronizable Oscillator
  • Burst Mode Enable Control
  • <1µA Shutdown Current
  • Small Thermally Enhanced 10-Pin MSOP and (3mm × 3mm) DFN Packages
LTC3440
Micropower Synchronous Buck-Boost DC/DC Converter
Li-Ion to 3.3V at 600mA Buck-Boost Converter Efficiency vs VIN Product Package 1 Product Package 2
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Documentation

Reliability Data 1

Design Note 2

Technical Articles 4

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC3440
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