PMP10035

Offline AC/DC 75W 2-Switch Quasi-Resonant Flyback Converter Reference Design

PMP10035

Design files

Overview

This design uses the LM5023 flyback controller for the 2-Switch Quasi-Resonant Flyback Topology. It generates an isolated output (19.5V@3.84A) from an universal input (85VAC - 265VAC).

Features
  • Universal input voltage
  • 2-Switch Quasi-Resonant Flyback Topology
Output voltage options PMP10035.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 19.5
Iout (Max) (A) 3.84
Output Power (W) 74.88
Isolated/Non-Isolated Isolated
Input Type AC
Topology 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.

TIDU901.PDF (1048 K)

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

TIDRE24.PDF (153 K)

Detailed schematic diagram for design layout and components

TIDRE25.PDF (128 K)

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

TIDRE26.ZIP (389 K)

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

Products

Includes TI products in the design and potential alternatives.

Flyback controllers

LM5023AC-DC quasi-Resonant current mode PWM controller

Data sheet document-pdfAcrobat PDF open-in-new HTML
Low-side drivers

UCC275312.5-A/5-A single-channel gate driver with 8-V UVLO, 35-V VDD, and split outputs

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

LMV431A1%, low-voltage (1.24-V) adjustable precision shunt regulator

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
Test report PMP10035 Test Results Apr. 09, 2015

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