PMP10407

Universal AC Input, 5V/10A/50W PSR Flyback Power Supply W/Rapid Load Transient Response Ref Design

PMP10407

Design files

Overview

PMP10407 is a quasi-resonant Flyback power suppy based on the UCC28730 primary side regulation (PSR) controller demonstrating the use of wake up device UCC24650 to achieve rapid load transient response from light load condition when the system is under low frequency operation. The elimination of optocoupler using PSR topology promises higher reliability and lower system cost. The design achieves less than 50mW standby power losses and over 86% efficiency at 25% load. The design also features UCC24610 synchronous rectification controller and demonstrates the use of UCC24650's ENS pin output to enforce diode rectification at light load conditions to reduce stand-by power losses.

Features
  • 85VAC to 265VAC, 50/60Hz input 5V/10A/50W output
  • Fast transient response, <250mV deviation under 0A to 5A load step
  • Over 84% average 4-point efficiency
  • Over 79% efficiency at 10% load (5W)
  • Less than 50mW standby power losses
  • Protected against output short-circuits
Output voltage options PMP10407.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 5
Iout (Max) (A) 10
Output Power (W) 50
Isolated/Non-Isolated Isolated
Input Type AC
Topology Flyback- DCM
Enterprise systems
Personal electronics
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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.

TIDUA85.PDF (1269 K)

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

TIDRFN8.PDF (159 K)

Detailed schematic diagram for design layout and components

TIDRFN9.PDF (127 K)

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

TIDRFO0.PDF (116 K)

Detailed overview of design layout for component placement

TIDRFO2.ZIP (700 K)

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

TIDCAK7.ZIP (240 K)

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

TIDRFO1.PDF (289 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

UCC24610Secondary side synchronous rectifier controller

Data sheet: PDF | HTML
AC/DC & DC/DC controllers (external FET)

UCC24650200-V wake-up monitor for fast transient primary-side regulation

Data sheet: PDF | HTML
AC/DC & DC/DC controllers (external FET)

UCC28730Zero standby PSR flyback controller with CVCC and wake-up monitoring

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS71550mA 24V ultra-low-IQ low-dropout (LDO) voltage regulator

Data sheet: PDF | HTML
MOSFETs

CSD18501Q5A40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP10407 Test Results Jun. 29, 2015

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