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DER-43 Datasheet(PDF) 2 Page - Power Integrations, Inc. |
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DER-43 Datasheet(HTML) 2 Page - Power Integrations, Inc. |
2 / 23 page DER-43 24.5 W Telecom Line Card PSU November 18, 2004 Table Of Contents 1 Introduction .................................................................................................................3 2 Power Supply Specification ........................................................................................4 3 Schematic ...................................................................................................................5 4 Circuit Operation.........................................................................................................6 4.1 General................................................................................................................6 4.2 Description...........................................................................................................6 5 BOM............................................................................................................................7 6 Layout .........................................................................................................................8 7 Transformer Design Spreadsheet...............................................................................9 8 Transformer Specification .........................................................................................11 8.1 Transformer Winding .........................................................................................11 8.2 Electrical Specifications .....................................................................................11 8.3 Materials ............................................................................................................11 8.4 Transformer Build Diagram................................................................................12 8.5 Transformer Construction ..................................................................................12 9 Efficiency ..................................................................................................................13 10 Regulation vs. Load...............................................................................................14 11 Low Load Power Consumption .............................................................................15 12 Drain Voltage and Current Waveforms..................................................................16 13 Transient Load ......................................................................................................17 13.1 Transient Load Test Setup ................................................................................17 13.2 Transient Load Performance .............................................................................18 14 Output Ripple ........................................................................................................19 14.1 Output Ripple Measurement Technique ............................................................19 14.2 Full Load Ripple Performance ...........................................................................20 14.3 No Load Ripple Performance ............................................................................20 15 Other results..........................................................................................................21 16 Revision History ....................................................................................................22 Important Note: This board is designed to be non-isolated. Please take necessary safety precautions. Design Reports contain a power supply design specification, schematic, bill of materials, and transformer documentation. Performance data and typical operation characteristics are included. Typically only a single prototype has been built. Page 2 of 23 Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.powerint.com |
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