PMP11753

European Input Voltage Range to 24V@2.5A Primary Side Regulated Isolated Flyback Reference Design

PMP11753

Design files

Overview

A quasi-resonant primary-side regulated isolated Flyback is used to provide 24V industrial voltage at 1.9A average (2.5Apeak) on secondary side and 24V @ 300mA on primary side from an AC input voltage of 170Vac-264Vac. The converter does not employ any optocoupler and regulates both output voltages by sensing the auxiliary winding on primary side. Thanks to its own constant current capability, it is possible to parallel two or more power supplies.

Features
  • Simple isolated PSR Flyback topology makes paralleling power supplies possible
  • Compact solution supplies 60W peak with almost flat efficiency from 2.5W to 55W (80%...89%)
  • Opto-less topology increases the reliability of the power supply
  • Good output voltage regulation versus load: +/-2% at ambient temperature, +/-5% in the whole range
Output voltage options PMP11753.1 PMP11753.2
Vin (Min) (V) 170 170
Vin (Max) (V) 264 264
Vout (Nom) (V) 24 24
Iout (Max) (A) 2.5 .3
Output Power (W) 60 7.2
Isolated/Non-Isolated Isolated Isolated
Input Type AC AC
Topology Flyback- Quasi Resonant Flyback- Quasi Resonant

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBS8.PDF (987 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRLO1.PDF (309 K)

Detailed schematic diagram for design layout and components

TIDRLO2.PDF (137 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRLO3.PDF (954 K)

Detailed overview of design layout for component placement

TIDRLO5.ZIP (811 K)

Files used for 3D models or 2D drawings of IC components

TIDCC55.ZIP (40 K)

Design file that contains information on physical board layer of design PCB

TIDRLO4.PDF (559 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Flyback controllers

UCC28632High power Flyback controller with PSR and peak power mode

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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* Test report PMP11753 Test Results May 05, 2016

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