Delta Electronics S48SS manual Thermal of the Converter, Tests Performed, Output Characteristics

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5.0 Thermal of the Converter

It is imperative that sufficient airflow be provided to the converter at all times during all portions of testing. Please refer to the applicable data sheet for the proper cooling and derating necessary to achieve accurate results when testing the converter.

6.0 Tests Performed

The following tests are performed at room temperature +25 C.

6.1Input Characteristics Input Voltage Range Under Voltage Lockout No Load Input Current

Disable Input Current (applies to S48SS version only)

6.2Output Characteristics

Line Regulation

Load Regulation

Output Regulation

Output Overvoltage Protection

6.3 Dynamic Characteristics

Maximum Output Voltage Deviation (due to step change in load)

Response time (due to step change in load)

Soft Start Turn-On Time

6.4Thermal Characteristics Efficiency

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Contents Delta Delphi Series 48Vin S48SR and S48SS PurposeRelevant Documentation Equipment Set-Up and Description Equipment RequiredTests Performed Output CharacteristicsDynamic Characteristics Thermal of the ConverterInitial Power Up Test Set-UpInitial Set-Up No Load Input Current Test Input Characteristic Input Voltage RangeTest and Evaluation TestLoad Regulation Output CharacteristicInput Current Module Off S48SS only Test Line RegulationTest -S48SS & S48SR Dynamic CharacteristicsOutput Ripple Output Voltage DeviationSoft Start Turn-On Time Efficiency Thermal CharacteristicsAppendix A- Evaluation Board Schematic Appendix B Evaluation Board Layout Top View USA Appendix C- Evaluation Board Layout Bottom View
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