2.7-5Vin, 9V output boost circuit with 3A peak current


Design files


The PMP4386 demonstrates boost converter solution with input voltage 2.7~5Vin and 9V3A peak current output. The design is limited in the small form factor as 19.8mmx13.2mmx8mm which can be used in portable equipment. The typical efficiency is 94.7%@full load with 5Vin.

Output voltage options PMP4386.1
Vin (Min) (V) 2.7
Vin (Max) (V) 5
Vout (Nom) (V) 9
Iout (Max) (A) 3
Output Power (W) 27
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- Synchronous

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.

SLVUA38.PDF (407 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.

Boost controllers (external switch)

TPS43061Low Iq, Synchronous Boost Controller with Wide Input Voltage and 5.5V Gate Drive for Low Qg NexFETs

Data sheet document-pdfAcrobat PDF open-in-new HTML
Power blocks

CSD87381P30-V, N channel synchronous buck NexFET™ power MOSFET, 3 mm x 2.5 mm LGA, 15 A

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
Test report PMP4386 Test Results Jan. 26, 2014

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