5V/2.5A AC/DC Flyback PSU for USB Adaptor Applications Reference Design PMP8965 (ACTIVE)

Description & Features

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Description

The PMP8965 is a 12.5W USB adapter reference design using the UCC28740 quasi-resonant/discontinues flyback controller, with synchronous rectification to improve efficiency using the UCC24610 Green Rectifier Controller.

Features
  • Converter 100V to 240V RMS down to a 5V 12.5W
  • Single Sided PCB
  • Less than 75 mW no load input power
  • Meets EU Tier 2 10%, and 4 point average efficiency requirements
  • Meets DOE 4 point average efficiency requirements

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP8965.1
(Output Voltage 1)
Vin (Min) (V)100
Vin (Max) (V)240
Vout (Nom) (V)5
Iout (Max) (A)2.5
Output Power (W)12.5
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- Non Sync

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18534Q5A  60V, N ch NexFET MOSFET™, single SON5x6, 9.8mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TLV431  1.5% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
UCC24610  Secondary Side Synchronous Rectifier Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28740  Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback  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)
CSD18534Q5A VSONP (DQJ)| 8 Download
TLV431 Download Download
Download Download
Download -
Download Download
Download -
UCC24610 Download Download
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UCC28740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 925 05 Jan 2015
Design files (4)
Title Type Size (KB) Date
ZIP 3072 05 Jan 2015
PDF 62 05 Jan 2015
PDF 18 05 Jan 2015
PDF 123 05 Jan 2015

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