Four-Switch Buck-Boost Converter with Adjustable Output Voltage for Military Radio Applications


Design files


The PMP10612 reference design is 4-switch buck-boost converter optimized for military radio applications. The design offers up to 40W output power from 7.5V to 18V input. The design offers an adjustable output voltage range from 5V to 40V, and very low output voltage ripple.

  • Input voltage ranges from 7.5V to 18V
  • Adjustable output voltage from 5V to 40V
  • Up to 40W output power over VIN and VOUT ranges
  • Less then 50mV peak-to-peak output voltage ripple
  • The LM5175 4-switch buck-boost converter provides optimized efficiency
  • The design is built and fully tested, and the schematic, BOM and test reports are included
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU910.PDF (3087 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRE61.PDF (129 K)

Detailed schematic diagram for design layout and components

TIDRE62.PDF (50 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDCA43.ZIP (286 K)

Design file that contains information on physical board layer of design PCB


Includes TI products in the design and potential alternatives.

Buck-boost & inverting controllers (external switch)

LM517542V Wide Vin 4-Switch Synchronous Buck-Boost Controller

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP10612 Test Results Apr. 10, 2015

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