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NKE0503DC Datasheet(PDF) 5 Page - Murata Manufacturing Co., Ltd. |
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NKE0503DC Datasheet(HTML) 5 Page - Murata Manufacturing Co., Ltd. |
5 / 7 page NKE Series Isolated Sub-Miniature 1W Single Output DC/DC Converters KDC_NKE.K03 Page 5 of 7 www.murata-ps.com/support APPLICATION NOTES (continued) Output Ripple Reduction By using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mV p-p max. Component selection Capacitor: It is required that the ESR (Equivalent Series Resistance) should be as low as possible, ceramic types are recommended. The voltage rating should be at least twice (except for 15V output), the rated output voltage of the DC/DC converter. Inductor: The rated current of the inductor should not be less than that of the output of the DC/DC converter. At the rated current, the DC resistance of the inductor should be such that the voltage drop across the inductor is <2% of the rated voltage of the DC/DC converter. The SRF (Self Resonant Frequency) should be >20MHz. DC DC L C Load Power Source Inductor Capacitor L, μH SMD Through Hole C, μF NKE0303xC 10 82103C 11R103C 4.7μF NKE0305xC 47 82473C 11R473C 4.7μF NKE0309xC 47 82473C 11R473C 1μF NKE0503xC 10 82103C 11R103C 4.7μF NKE0505xC 47 82473C 11R473C 4.7μF NKE0505xEC 47 82473C 11R473C 4.7μF NKE0509SC 47 82473C 11R473C 1μF NKE0512xC 68 82683C 11R683C 0.68μF NKE0515xC 100 82104C 11R104C 2.2μF NKE1205xC 47 82473C 11R473C 4.7μF NKE1209xC 47 82473C 11R473C 1μF NKE1212xC 68 82683C 11R683C 0.47μF NKE1215xC 100 82104C 11R104C 2.2μF |
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