LTC1876, Low voltage 3.3V to 1.8V and 2.5V power supply

Reference Design using part LTC1876 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Multi-Output Power Supplies

For End Products

  • Laptop
  • Notebook
  • Personal Digital Assistant

Description

  • Circuit shows LTC1876, A low input voltage application with the input supply at 3.3V. The boost regulator is set up to provide 5V and is used to power the control circuitry of the step-down controllers and to provide gate drive voltage to the N-channel MOSFETs

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    3.3 V
  • Output Voltage
    1.8|2.5|5 V
  • Output Current
    0.4@5V|4@2.5V|5@1.8V A
  • Efficiency
    95 %
  • Topology
    Buck Boost

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
LTC1876EG Analog Devices DC to DC Controllers DC/DC Cntrlr Triple-OUT Step Down 360kHz 36-Pin SSOP Buy
LTC1876EG#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Triple-OUT Step Down 360kHz 36-Pin SSOP Tube Buy
LTC1876EG#TRPBF Analog Devices DC to DC Controllers DC/DC Cntrlr Triple-OUT Step Down 360kHz 36-Pin SSOP T/R Buy

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