PMP10351 Reference Design

Texas Instruments

85-265VACin: 12V/1.5A PSR Flyback Reference Design

Description

This reference design uses the UCC28713 primary-side regulated (PSR) flyback controller to generate a 12V/1.5A output from a univeral AC input. The valley switching of the UCC28713 allows this low-cost design to achieve an average efficiency over 87%; no load losses are less than 50mW.  The PSR function eliminates the need for an optocoupler and TL431: greatly simplifying the circuit and reducing cost.

Features
  • Primary side regulation eliminates the need for an optocoupler and TL431. Low cost High efficiency: over 87% average efficiency Low standby power consumption: under 50mW
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
UCC28713 UCC28713 Buy Datasheet

Bill Of Materials

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Schematic

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP10351 Gerber 10 Oct 2014 ZIP 171
PMP10351 PCB 10 Oct 2014 PDF 169
PMP10351 Assembly Drawing 10 Oct 2014 PDF 52
PMP10351 BOM 10 Oct 2014 PDF 82
PMP10351 Schematic 10 Oct 2014 PDF 127