120VAC Input, High Efficiency 12V/50W Power Supply Reference Design

(ACTIVE) PMP11368

Description & Features

Technical Documents

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Key Document

Description

The PMP11368 power reference design provides 50W of load power from a standard 120VAC input with greater than 90% efficiency.  The UCC27714 integrates the drive for the high-side MOSFET, while the UCC24636 drives the synchronous rectifer.

Features
  • Greater than 90% average efficiency
  • No optocoupler or TL431
  • Passes Class B conducted emissions without a common-mode choke
  • Driver IC's eliminate gate drive transformers

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP11368.1
(Output Voltage 1)
Vin (Min) (V)100
Vin (Max) (V)130
Vout (Nom) (V)12
Iout (Max) (A)4
Output Power (W)48
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- Quasi Resonant

TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18540Q5B  60V, N-Channel NexFET™ Power MOSFET   MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
UCC24636  Synchronous Rectifier Controller With Ultra-Low Standby Current  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
UCC27714  High-Speed, 4-A, 600-V High-Side Low-Side Gate Driver  Gate Drivers  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)
CSD18540Q5B VSON-CLIP (DNK)| 8 Download -
UCC24636 Download Download
UCC24650 Download Download
UCC27714 Download -
UCC28730 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1894 26 Jan 2016 3
Design files (3)
Title Abstract Type Size (KB) Date Views
PDF 113 26 Jan 2016 2
PDF 113 26 Jan 2016 4
PDF 162 26 Jan 2016 2

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