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SLC100-2 Datasheet(PDF) 7 Page - C&D Technologies |
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SLC100-2 Datasheet(HTML) 7 Page - C&D Technologies |
7 / 10 page 7 SLC100 1.2V Rev C 11/2004 Product: www.cdpoweronline.com Brick Wall Current Limiting To protect against fault or short-circuit conditions on the output, each module is equipped with current-limit- ing circuitry designed to provide continuous protection. After reaching the current limit point (typically 20% above the rated output current), the voltage will range between its rated value and zero, depending upon the amount of overload. The unit will remain in operation continuously during this period down to a short-circuit condition. Once the short or overload has been elimi- nated, the output voltage will return to normal without cycling the input power. Output Over-Voltage Protection The SLC100 has an output over voltage protection (OVP) circuit which monitors its own output voltage. If the output voltage of the converter exceeds between 120% and 140% of the nominal rating, the OVP circuit will shut down the converter. Once the OVP has been tripped the unit will need to be reset by cycling the input power or by toggling the ON/OFF power before normal operation can resume. SLC100 units with a non-latching OVP feature are available on request. Please contact the factory for further details. Safety The SLC100 meets safety requirements per UL/CUL 60950 and VDE EN60950, basic insulation rating. EMC/EMI Considerations Analysis pending. Performance Characterization Thermal Derating Maximum output current vs. ambient temperature at various airflow rates has been determined for each model of the SLC100. Each model was analyzed over an ambient temperature range of 0 to 85oC and at air flows up to 700LFM. Temperature limits for thermal derating curves were 130oC for semiconductor junction temperature and 130oC for board temperature. Efficiency Performance Efficiency data for each model was determined as a function of both load current and input voltage. Efficiency vs. Input Voltage was measured at full load, ambient temperature of 25oC and airflow of 300LFM. Efficiency vs. Load Current was measured at 25oC, a nominal input voltage of 48Vdc and airflow of 300LFM. Graphs are provided for each model in their respective section. Start-Up, ON/OFF and Transient Response For each model, waveforms are provided showing output voltage response and timing of input voltage power up/down, remote ON/OFF state change and load current transient responses. Output voltage transient responses are provided for step load changes of 50% to 75% & 75% to 50% of rated load current. Waveforms for each model are provided in their respective section. APPLICATION NOTES |
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