PMP9235 Reference Design

Texas Instruments

120VAC Input 5V/250mA Flyback Converter With BJT Switch Reference Design


This reference design creates a 5V at 250mA from a 120VAC Input. The UCC28720 primary side controller with a BJT power switch provides a low cost design. It is important to note the outputs are only functionally (not for safety) isolated from the input.

Product Categories
  • Power management


Part Number Name Companion Part
UCC28720 UCC28720 Buy Datasheet

Bill Of Materials

Download the bill of materials for PMP9235 Download

Other Documents

Title Updated Type Size (KB)
PMP9235 PCB 06 Feb 2014 PDF 150
PMP9235 Gerber 06 Feb 2014 ZIP 171
PMP9235 BOM 06 Feb 2014 PDF 79
PMP9235 Schematic 06 Feb 2014 PDF 105