AC Input,12-V/5-A and 50-V/1-A dual-output flyback reference design PMP40467 (ACTIVE)

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Key Document

Description

This reference design is a 12-V/5-A and 50-V/1-A isolated dual-output auxiliary power supply. Secondary-side regulation improves the line and load regulation using UCC28742. DCM valley-switching operation enable higher efficiency at light load. All components height below 20 mm enable slim TV application.

Features
  • Valley-switching enable higher efficiency at light load
  • Higher integrated protection simplifies the bom cost and save space
  • Components height is below 20 mm to enable slim TV application

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP40467.1
(Output Voltage 1)
PMP40467.2
(Output Voltage 2)
Vin (Min) (V)180180
Vin (Max) (V)264264
Vout (Nom) (V)1250
Iout (Max) (A)51
Output Power (W)6050
Isolated/Non-IsolatedIsolatedIsolated
Input TypeACAC
TopologyFlyback- DCMFlyback- DCM

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ATL431  2.5V low-Iq adjustable precision shunt regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
UCC28742  High-Efficiency Flyback Controller With Optocoupler 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)
ATL431 Download Download
UCC28742 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1723 04 Jan 2019
Design files (6)
Title Type Size (KB) Date
ZIP 416 02 Jan 2019
ZIP 27 02 Jan 2019
PDF 767 02 Jan 2019
PDF 108 02 Jan 2019
PDF 31 02 Jan 2019
PDF 159 02 Jan 2019

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