LT1317, Single Li-Ion Cellto 4V DC/DC Converter

Reference Design using part LT1317 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

  • Cellular Phone
  • Digital Camera
  • GPS
  • Pager
  • Portable Computers

Description

  • Circuit shows LT1317, Single Li-Ion cell to 4V DC/DC converter has a maximum height of 2mm. By again employing the SEPIC topology, a 4V supply can be designed with one IC. Circuit generates 4V at 70mA and 4V at 10mA from an input voltage ranging from 2.5 to over 5V

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    2.5 to 5 V
  • Output Voltage
    -4|4 V
  • Output Current
    0.01@-4V|0.07@4V A
  • Efficiency
    75 %
  • Topology
    Single-Ended Primary Inductance

Featured Parts (7)

Featured Parts
Part Number Manufacturer Type Description
LT1317IS8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin SOIC N T/R Buy
LT1317CMS8#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin MSOP Tube Buy
LT1317CMS8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin MSOP T/R Buy
LT1317CS8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin SOIC N T/R Buy
LT1317IS8 Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin SOIC N Buy
LT1317CS8 Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin SOIC N Buy
LT1317CMS8 Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.5V to 12V Step Up Single-Out 1.24V to 30V 0.2A 8-Pin MSOP Buy

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