18 to 20Vin 25 to 85Vout @3A Continuous 5.7A Peak Dual-Phase Sync Boost Converter Reference Design


Design files


A dual-phase synchronous boost converter accepting an input voltage of 18VDCin to 20VDCin and providing an output of 25VDCout to 85Vout capable of supplying 3A continuous and 5.7A peak.

Output voltage options PMP9309 PMP9309.1
Vin (Min) (V) 18 18
Vin (Max) (V) 20 20
Vout (Nom) (V) 85 85
Iout (Max) (A) 3 3
Output Power (W) 255 255
Isolated/Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC
Topology Boost^Multiphase Boost- Multiphase^Boost- Synchronous
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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

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SLUUAW5.PDF (1518 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.

AC/DC & DC/DC controllers (external FET)

LM51223-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capability

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9309 Test Results Dec. 13, 2013

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