PMP4472 Reference Design

Texas Instruments

AC Input: 5V/3.3V2A Cascaded Power Supply Reference Design

Description

The PMP4472 is a power reference design with a high AC input: 5Vout: followed by a DC isolated output of 3.3V at 2A. It implements a high efficiency controller UCC28740 to provide 5V bus voltage and a step-Down Converter TPS54228.The design achieves good line and load regulation as well as  good dynamic response and low output ripple voltage.

Features
  • Isolated Flyback and Buck converter2 outputs include 5V Bus voltageGood line and load regulationGood dynamic responseLow output ripple voltage
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TL431A TL431A Buy Datasheet
TPS54228 TPS54228 Buy Datasheet
UCC28740 UCC28740 Buy Datasheet

Bill Of Materials

Download the bill of materials for PMP4472 Download

Schematic

Quickly understand overall system functionality.

Download the schematic for PMP4472

Design File

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

Download the design file for PMP4472

Test Data

Get results faster with test and simulation data that's been verified.

Download the test file for PMP4472

Other Documents

Title Updated Type Size (KB)
PMP4472 Altium 22 Sep 2015 ZIP 198
PMP4472 BOM 22 Sep 2015 PDF 168
PMP4472 Schematic 22 Sep 2015 PDF 358