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

(ACTIVE) PMP10351

Description & Features

Technical Documents

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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

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10351.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)12
Iout (Max) (A)1.5
Output Power (W)18
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- DCM
Flyback- Quasi Resonant

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC28713  Constant-Voltage, Constant-Current Controller with Primary-Side Regulation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC28713 Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 5406 10 Oct 2014 7
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 171 10 Oct 2014 7
PDF 169 10 Oct 2014 2
PDF 52 10 Oct 2014 3
PDF 82 10 Oct 2014 5
PDF 127 10 Oct 2014 12

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