93% Full-load efficiency (60% at 125mW), 310W industrial AC/DC reference design PMP30521 (ACTIVE)

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Key Document

Description

This reference design is a compact and high efficient two-stage power supply. The front-end stage is a CCM power factor correction (PFC) based on UCC28180.The second stage is based on UCC256304, which drives a resonant 310 W LLC converter with two outputs, 19 V and 56 V. The board does not need any auxiliary supply and draws only 250 mW from mains (with PFC off), while supplying 150 mW load.

Features
  • High-efficiency 310W isolated power supply with PFC and resonant LLC stages
  • Low no-load power consumption without using auxiliary supply
  • 93% full-load efficiency at 230-Vac input; it draws only 250mW while supplying 150 mW load
  • Compact board with integrated heat sinks

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP30521.1
(Output Voltage 1)
PMP30521.2
(Output Voltage 2)
PMP30521.3
(Output Voltage 3)
Vin (Min) (V)90350350
Vin (Max) (V)264420420
Vout (Nom) (V)3905619
Iout (Max) (A).853.755.26
Output Power (W)331.521099.94
Isolated/Non-IsolatedNon-IsolatedIsolatedIsolated
Input TypeACDCDC
TopologyPFC- BoostHalf Bridge- LLCHalf Bridge- LLC

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LMV431A  Low-Voltage (1.24V) Adjustable Precision Shunt Regulators  Voltage references  Sample & Buy Not Available
UCC256304  Wide vin LLC resonant controller with high-voltage start up enabling low standby power  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28180  8-Pin Continuous Conduction Mode (CCM) PFC Controller  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)
LMV431A Download Download
Download Download
Download
UCC256304 Download Download
UCC28180 Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1898 02 Apr 2019
Design files (6)
Title Type Size (KB) Date
ZIP 96 02 Apr 2019
ZIP 3120 02 Apr 2019
PDF 663 02 Apr 2019
PDF 604 02 Apr 2019
PDF 103 02 Apr 2019
PDF 362 02 Apr 2019

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