I/O supply 3.3V@1.3A out of 5V to Drive uProcessors Reference Design


Design files


PMP10123 is a synchronous buck converter with 5V input voltage and 3.3V output voltage. The design is optimized for low EMI and smallest size.

  • Small outline (22mm x 24mm)
  • Ceramic capacitors only
  • Low temperature rise at full load
  • 5V input
  • 3.3V output @ 1.3A
  • Highest efficiency
Output voltage options PMP10123.1
Vin (Min) (V) 4.5
Vin (Max) (V) 5.5
Vout (Nom) (V) 3.3
Iout (Max) (A) 1.3
Output Power (W) 4.29
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Integrated Switch^Buck- 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

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

TIDUA23.PDF (2252 K)

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

TIDRF27.PDF (102 K)

Detailed schematic diagram for design layout and components

TIDRF28.PDF (77 K)

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

TIDRF30.ZIP (242 K)

Files used for 3D models or 2D drawings of IC components


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

TIDRF29.PDF (182 K)

PCB layer plot file used for generating PCB design layout

Technical documentation

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Type Title Date
* Test report PMP10123 Test Results Jun. 05, 2015

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