LT1949, 3.3V to 8V/200mA DC/DC converter with auxiliary 24V and 8V outputs

Reference Design using part LT1949 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

  • LCD TFT Display

Description

  • Circuit shows LT1949 generates the 8V output in the normal boost mode configuration, While using charge pumps for the 24V and 8V outputs. During boost operation, the SW pin is switching between VOUT and ground

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    3.3 V
  • Output Voltage
    -8|8|24 V
  • Output Current
    0.01@-8V|0.01@24V|0.2@8V A
  • Topology
    Boost

Featured Parts (7)

Featured Parts
Part Number Manufacturer Type Description
LT1949EMS8 Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin MSOP Buy
LT1949ES8#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin SOIC N Tube Buy
LT1949IS8#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin SOIC N Tube Buy
LT1949ES8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin SOIC N T/R Buy
LT1949IS8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin SOIC N T/R Buy
LT1949EMS8#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin MSOP T/R Buy
LT1949EMS8#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 1.7V to 12V Step Up Single-Out 1.24V to 30V 1.5A 8-Pin MSOP Tube Buy

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