Low Cost Inverting Buck-Boost Provides -5A@100mA from +32V Input for Transmitter Reference Design


Design files


This inverting buck-boost converter implements a low cost integrated FET buck controller to generate a negative output voltage. The converter is designed with low cost and small area in mind.

Output voltage options PMP9097.1
Vin (Min) (V) 28
Vin (Max) (V) 34
Vout (Nom) (V) -5
Iout (Max) (A) .1
Output Power (W) .5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck Boost- Non Sync
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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.

SLVUA22.PDF (1158 K)

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


Detailed schematic diagram for design layout and components


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


Includes TI products in the design and potential alternatives.

Buck converters (integrated switch)

TPS541603.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9097 Test Results Dec. 15, 2013

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