SLVA257A Using the TPS5430 as an Inverting Buck-Boost Converter

Reference Design using part TPS5430DDA by Texas Instruments

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Manufacturer

Texas Instruments
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Battery Charger
  • Car Audio
  • Distributed Control System
  • DVD Player
  • Industrial
  • LCD TV
  • Set-Top Box

Description

  • Wide input voltage range SWIFT (Switcher With Integrated FET) DC/DC converters are typically used as step-down converters where the derived output is a positive voltage less than the input voltage source. In some cases, it may be required to generate a negative voltage from the input voltage source. In such instances, it is possible to configure the TPS5430/20/10 devices in an inverting buck-boost topology, where the output voltage is negative with respect to ground

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    15 V
  • Output Voltage
    -5 V
  • Efficiency
    87 %
  • Topology
    Buck Boost

Featured Parts (6)

Featured Parts
Part Number Manufacturer Type Description
TPS5430DDA Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP Tube Buy
TPS5430DDA-P Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP Tube Buy
TPS5430DDAR Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP T/R Buy
TPS5430DDA-845524201 Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP Tube Buy
TPS5430DDARG4 Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP T/R Buy
TPS5430DDAG4 Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 5.5V to 36V Step Down Single-Out 1.22V to 31V 3A 8-Pin HSOIC EP Tube Buy

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