65W High-efficiency CoC-5 tier2/DOE Level VI AC Adapter
TIDA-00519
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Description

This is a high efficiency 65W AC/DC design for a Universal input (85Vac to 265Vac) to 19.5V @3.33A output exceeding CoC-5 Tier2 and DOE Level VI requirements for external power supplies using the LM5023 Quasi-Resontant Flyback Controller with UCC24630 Synchronous Rectification Controller and CSD19531Q5A MOSFET.  Additionally the LM8364 reset controller is used to provide input line AC UVLO protection.

As seen at APEC

Features
  • 91.49% @115V, 89.81% @230V 4-point average efficiency
  • 83.14% @120V, 82.24% @230V 10% load efficiency 
  • 59mW No-load Power consumption 59mW at high line (230V) 
  • Fast turn-on time
  • 75mV output ripple
  • AC line input UVLO protection

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Schematic/Block Diagram

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19531Q5A  100V, N ch NexFET MOSFET™, single SON5x6, 6.4mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM5023  AC-DC Quasi-Resonant Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
LM8364  Active Low Voltage Monitor with Low Quiescent Current and 2.5% Threshold Accuracy  Power management  Sample & Buy Not Available
UCC24630  Synchronous Rectifier Controller With Ultra Low Standby Current  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)
CSD19531Q5A VSONP (DQJ)| 8 Download
LM5023 Download Download
LM8364 Download Download
UCC24630 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1087 12 Dec 2016
Design files (3)
Title Type Size (KB) Date
ZIP 232 04 Mar 2015
PDF 134 04 Mar 2015
PDF 927 04 Mar 2015

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