PMP4387 Reference Design

Texas Instruments

AC in: 12V0.5A and 5V50mA dual-rail output for appliances power supply


The PMP4387 is a low cost single side PCB board solution for AC in: 12V0.5A and 5V50mA dual-rail output on board design.  By using primary side regulation (PSR) mode chip UCC28722 which drives bipolar power device: typical efficiency as high as 86.4% @230Vac full load is achieved.  The overall size is limited in 43mmx28mmx16mm.

  • Coffee machine
Product Categories
  • Power management


Part Number Name Companion Part
LM7805 LM7805 Buy Datasheet
UCC28722 UCC28722 Buy Datasheet

Bill Of Materials

Download the bill of materials for PMP4387 Download

Other Documents

Title Updated Type Size (KB)
PMP4387 BOM 05 Feb 2014 PDF 31
PMP4387 Schematic 05 Feb 2014 PDF 87