85 to 265Vac In, 48V1A Out Power Supply for STB with <75mW Standby Power Reference Design PMP40025 (ACTIVE)

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Key Document

Description

The PMP40025 is a universal AC input, 48W output flyback converter based on primary side regulation(PSR) which eliminates optocouplers and secondary side feedback components reducing BOM cost. The design features a single 48V/1A output with average efficiency greater than 89% and 75mW no load power (compliant with DOE 6 &CoC V5 Tier 2 standard). The design aslo demostrates  excellent +/-3% transient response from no load to full load due to a wake up feature provided by UCC24650.

Features
  • <75mW low standby power @230Vac no load
  • +/-3% transient response from no load to full load
  • High efficiency at 10% load and four points average
  • Pass EN55022B CE test
  • Single-side PCB board for low cost

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP40025.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)48
Iout (Max) (A)1
Output Power (W)48
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyFlyback- DCM

TI Devices (2)

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Part Number Name Product Family Sample & Buy 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)
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 411 01 Jul 2016
Design files (6)
Title Type Size (KB) Date
ZIP 182 01 Jul 2016
ZIP 27 01 Jul 2016
PDF 206 01 Jul 2016
PDF 166 01 Jul 2016
PDF 89 01 Jul 2016
PDF 241 01 Jul 2016
Related Tools & Software

Reference Designs  ( 2 )


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