PMP9752, Small, Simple, and Efficient Voltage Inverter for Op-Amp Biasing Reference Design

Reference Design using part TPS62120DCN by Texas Instruments

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PMP9752 Image (Sheet 1 of 3)
Efficiency at Vout = -5V (Sheet 2 of 3)
PMP9752 Schematic (Sheet 3 of 3)
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Manufacturer

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

Associated Documents

For End Products

  • Energy harvesting
  • Industrial

Description

  • PMP9752, reference design for the TPS62120 provides a small, simple, and efficient voltage inverting circuit to be used for low power negative voltage rails, such as biasing an Op-Amp. This configuration has been tested with a full test report and operation explanation

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    5 V
  • Output Voltage
    -5 V
  • Output Current
    0.05 A
  • Efficiency
    80 %
  • Topology
    Buck Boost- Inverting

Featured Parts (2)

Featured Parts
Part Number Manufacturer Type Description
TPS62120DCNR Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 2V to 15V Synchronous Step Down Single-Out 1.2V to 5.5V 0.075A 8-Pin SOT-23 T/R Buy
TPS62120DCNT Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 2V to 15V Synchronous Step Down Single-Out 1.2V to 5.5V 0.075A 8-Pin SOT-23 T/R Buy

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