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24V 65W Nominal 130W Surge Offline Flyback Power Supply for Industrial Rails Reference Design
PMP9643
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Description

24V Output, Constant Voltage / Constant Current, 65W Flyback power supply with 130W surge capability. Primary side regulation eliminates feedback opto-coupler and provides 1% regulation down to no-load. Average efficiency of > 89% and no load power of < 70mW are achieved. Voltage input range is 85VAC-265VAC Input.

Features
  • Primary Side Regulation (PSR)
  • +/- 1% Voltage Regulation
  • +/- 7.5% Current Regulation
  • <70mW Stand-by Power
  • Short Circuit Protection
  • High Voltage Startup
  • > 85% Efficiency at 10% load

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Schematic/Block Diagram

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC28630  High power Flyback controller with PSR, peak power mode, X-Cap discharge, and freq dither  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28631  High power Flyback controller with PSR, peak power mode, and Frequency Dither  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28632  High power Flyback controller with PSR and peak power mode  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28633  High power Flyback controller with PSR, peak power mode, X-Cap discharge, Adj CC limit, freq dither  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)
UCC28630 Download
UCC28631 Download Download
UCC28632 Download Download
UCC28633 Download Download

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Technical documentation

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User guide (2)
Title Type Size (KB) Date
PDF 407 15 May 2014
PDF 909 14 May 2014
Design files (6)
Title Type Size (KB) Date
ZIP 16475 14 May 2014
PDF 188 14 May 2014
PDF 186 14 May 2014
PDF 702 14 May 2014
PDF 52 14 May 2014
PDF 127 14 May 2014

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