3-Phase Input Valley Switching Flyback and 5V, 12V Dual-Output Reference Design PMP30164 (ACTIVE)

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Key Document


The PMP30164 reference design uses the UCC28740 constant current (CC), constant voltage (CV) Valley Switching Flyback controller to generate two outputs (5V, 12V). The maximum peak output power is 28W (<20s). The design is optimized for a nominal output power of 1W and is capable of delivering 28W for 20 seconds.

  • 3 phase input
  • Wide AC input range (140VAC - 474VAC)
  • Low standby power
  • Excellent transient performance
  • Test report available

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Schematic/Block Diagram

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Design Guide

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Design Files

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(Output Voltage 1)
(Output Voltage 2)
Vin (Min) (V)140140
Vin (Max) (V)274274
Vout (Nom) (V)125
Iout (Max) (A)1.52
Output Power (W)1810
Input TypeACAC

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LMV431A  Low-Voltage (1.24V) Adjustable Precision Shunt Regulators  Voltage references  Sample & Buy Not Available
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)
LMV431A Download Download
Download Download
UCC28740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1605 17 Apr 2017
Design files (6)
Title Type Size (KB) Date
ZIP 45 17 Apr 2017
ZIP 505 17 Apr 2017
PDF 205 17 Apr 2017
PDF 192 17 Apr 2017
PDF 102 17 Apr 2017
PDF 192 17 Apr 2017

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