24Vin, +5Vout, 1W Isolated SIP DC/DC Module Reference Design


Design files


The PMP4412 is a 24Vin +5Vout, 1W reference design module which is implemented in an industry-standard SIP pinout. It includes a constant on-time synchronous Flybuck controller LM25018. The solution has high efficiency, good line and load regulation with 1,500V DC isolation. The power module was designed with minimized components for cost sensitive applications. PMP4394, PMP4401, PMP4412-PM4415 have the same pinout and can be replaced by each other without modification.

  • Flybuck™ topology with 1,500V DC isolation
  • High efficiency
  • Good line and load regulation
  • Low cost solution with minimized component numbers
  • Industry standard Pinout
  • Size: 19.8 X 9 X 5.8mm
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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.

SNVU433.PDF (439 K)

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

TIDU554.PDF (196 K)

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

SNVR452.PDF (26 K)

Detailed schematic diagram for design layout and components

SNVR453.PDF (115 K)

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

TIDC723.ZIP (145 K)

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


Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

LM250187.5-48V Wide Vin, 300mA Constant On-Time Synchronous Buck Regulator

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP4412 Test Results Oct. 21, 2014
Test report SIP Module for P2P Replacement Sep. 23, 2014

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