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DER-60 Datasheet(PDF) 2 Page - Power Integrations, Inc. |
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DER-60 Datasheet(HTML) 2 Page - Power Integrations, Inc. |
2 / 25 page DER-60 Adapter – TNY268 May 27, 2005 Page 2 of 25 Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 www.powerint.com Table Of Contents 1 Introduction................................................................................................................. 3 2 Power Supply Specification ........................................................................................ 4 3 Schematic................................................................................................................... 5 4 Circuit Description ...................................................................................................... 6 4.1 Input Rectification and EMI Filtering.................................................................... 6 4.2 TOPSwitch Primary ............................................................................................. 6 4.3 Output Rectification ............................................................................................. 6 4.4 Output Feedback................................................................................................. 6 4.5 OTP, OVP and LPS Protection Circuit ................................................................ 7 5 PCB Layout ................................................................................................................ 8 6 Bill Of Materials .......................................................................................................... 9 7 Transformer Specification......................................................................................... 10 7.1 Electrical Diagram ............................................................................................. 10 7.2 Electrical Specifications..................................................................................... 10 7.3 Materials............................................................................................................ 10 7.4 Transformer Build Diagram ............................................................................... 11 7.5 Transformer Construction.................................................................................. 11 8 Transformer Spreadsheets....................................................................................... 12 9 Performance Data .................................................................................................... 15 9.1 Efficiency........................................................................................................... 15 9.2 No-load Input Power.......................................................................................... 16 9.3 Regulation ......................................................................................................... 17 9.3.1 Load ........................................................................................................... 17 9.3.2 Line ............................................................................................................ 17 10 Waveforms............................................................................................................ 18 10.1 Drain Voltage and Current, Normal Operation .................................................. 18 10.2 Output Voltage Start-up Profile ......................................................................... 19 10.3 Max Output Power (LPS) Testing (Specification Po < 17.5w) ........................... 19 10.4 Load Transient Response ................................................................................. 20 10.5 Output Ripple Measurements............................................................................ 21 10.5.1 Ripple Measurement Technique ................................................................ 21 10.5.2 Measurement Results ................................................................................ 22 11 Conducted EMI ..................................................................................................... 23 12 Revision History .................................................................................................... 24 Important Note: Although this board is designed to satisfy safety isolation requirements, the engineering prototype has not been agency approved. Therefore, all testing should be performed using an isolation transformer to provide the AC input to the prototype board. 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. |
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