Single-Inductor Circuit Generates Bipolar Supply Voltages

Reference Design using part MAX1522 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

  • Audio Amplifier
  • Industrial Control
  • Portable Medical Instrumentation

Description

  • Single-Inductor Circuit Generates Bipolar Supply Voltages. The single inductor and three Schottky diodes associated with this step-up converter derive +15V and -14V from a +5V source. The +15V output delivers as much as 200mA, with efficiencies up to 85% and about 44mV of output ripple

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    5 V
  • Output Voltage
    -13.8|15 V
  • Output Current
    0.2 A
  • Efficiency
    85 %
  • Topology
    Boost

Featured Parts (4)

Featured Parts
Part Number Manufacturer Type Description
MAX1522EUT+ Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Up 6-Pin SOT-23 T/R Buy
MAX1522EUT+T Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Up 6-Pin SOT-23 T/R Buy
MAX1522EUT+T Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Up 6-Pin SOT-23 T/R Buy
MAX1522EUT+ Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Up 6-Pin SOT-23 T/R Buy

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