Small Form Factor 12W Ultra Wide Range Power Supply for Protection Relays - Reference Design TIDA-00227 (ACTIVE)

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Key Document

Description

This small form factor, 12W power supply solution for protection relays handles an ultra-wide range of both AC and DC inputs making it a suitable platform to power a variety of lower power protection relays that need to be placed in a small housing.  The power supply is designed to output industry standard voltages required in protection relays while also providing excellent line and load regulation.  This solution has been engineered for high wattage with good efficiency and has also been pre-compliance tested for IEC61000-4 (EFT and Surge) and CISPR 11 Class A (Interference).

Features
  • Small size yet handles ultra-wide range AC and DC inputs
  • Enables usage in a variety of Protection Relays and RTUs
  • Accurate outputs with excellent load and line regulation in the 3% range
  • Platform solution with high wattage capability while providing efficiencies up to 78%
  • Passes Pre-Compliance testing - IEC61000-4 (EFT and Surge) and CISPR 11 Class A (Interference)
  • Power interruption handling with Ride Through > 75mS

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Schematic/Block Diagram

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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM337  3 Pin 1.5A Adjustable Negative Voltage Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
LMS33460  Ultra Low Power Space Saving 3V Under Voltage Detector  Power management  Sample & Buy Not Available
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
TPS40210  4.5~52V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
UCC28740  Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback  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)
LM337 (KC) | 3 Download -
Download Download
(KTE) | 3 Download -
Download -
Download Download
LMS33460 Download Download
TL431 Download Download
Download Download
Download -
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Download Download
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Download -
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TPS40210 Download Download
Download Download
UCC28740 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3303 25 Sep 2014
Design files (6)
Title Type Size (KB) Date
ZIP 301 29 Sep 2014
ZIP 3040 29 Sep 2014
ZIP 681 29 Sep 2014
PDF 345 29 Sep 2014
PDF 111 29 Sep 2014
PDF 392 29 Sep 2014

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