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NCM6S4812C Datasheet(PDF) 4 Page - Murata Power Solutions Inc. |
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NCM6S4812C Datasheet(HTML) 4 Page - Murata Power Solutions Inc. |
4 / 19 page NCM6 Series Isolated 6W Wide Input Single & Dual Output DC/DC Converters KDC_NCM6C.B01 Page 4 of 19 All enquiries: www.murata-ps.com/support www.murata-ps.com APPLICATION NOTES Output Capacitance and start-up times The NCM6 series does not require output capacitors to meet datasheet specification. To meet datasheet specification, output capacitance should not exceed: Part No. Maximun Load Capacitance (per output) Start-up times μF ms NCM6D0505C 220 6 NCM6D0512C 100 12 NCM6D0515C 100 18 NCM6S0503C 470 4 NCM6S0505C 220 7 NCM6S0512C 100 12 NCM6S0515C 100 17 NCM6D1205C 220 5 NCM6D1212C 100 12 NCM6D1215C 100 17 NCM6S1203C 470 2 NCM6S1205C 220 6 NCM6S1212C 100 14 NCM6S1215C 100 17 NCM6D4805C 220 10 NCM6D4812C 100 40 NCM6D4815C 100 60 NCM6S4803C 470 2 NCM6S4805C 220 5 NCM6S4812C 100 15 NCM6S4815C 100 20 Control Pin This provides an OFF function which puts the converter into a low power mode when >3V is applied to the pin. When the control pin is left un-connected or less than 1V the converter is ON Minimum Load The minimum load to meet full datasheet specification is 10% of the full rated load across the specified input voltage range. Between 0% and 10% output loading, the output voltage will remain within data sheet specification however, output ripple and noise may increase but will still be below 150mV p-p. TECHNICAL NOTES ISOLATION VOLTAGE ‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation. Murata Power Solutions NCM6 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 5.2kVDC for 1 second. A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?” The NCM6 series has been recognized by Underwriters Laboratory to 250Vrms for Reinforced Insulation. REPEATED HIGH-VOLTAGE ISOLATION TESTING It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construction and environment. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage. |
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