Universal AC Input, 5V/10A/50W PSR Flyback Power Supply W/Rapid Load Transient Response Ref Design PMP10407 (ACTIVE)

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Key Document

Description

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

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Design Files

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Parametrics
 PMP10407.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)5
Iout (Max) (A)10
Output Power (W)50
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- DCM

TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18501Q5A  40V, N ch NexFET MOSFET™, single SON5x6, 3.2mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS715  50 mA, 24 V, 3.2-μA Iq, Low-Dropout Linear Regulator in SC70 Package  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCC24610  Secondary Side Synchronous Rectifier Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC24650  200-V Wake-up Monitor for Fast Transient Primary-side Regulation  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28730  Zero Standby PSR Flyback Controller with CVCC and Wake-Up Monitoring  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)
CSD18501Q5A VSONP (DQJ)| 8 Download Download
TPS715 Download Download
UCC24610 Download Download
Download Download
UCC24650 Download Download
UCC28730 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1248 29 Jun 2015
Design files (6)
Title Type Size (KB) Date
ZIP 240 30 Jun 2015
ZIP 700 30 Jun 2015
PDF 289 30 Jun 2015
PDF 116 30 Jun 2015
PDF 127 30 Jun 2015
PDF 159 30 Jun 2015

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