NMJ0505SC Ver la hoja de datos (PDF) - Murata Manufacturing
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NMJ0505SC Datasheet PDF : 6 Pages
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NMJ Series
5.2kVDC Isolated 1W DC/DC Converters
CHARACTERISATION TEST METHODS
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test configuration.
C1
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
C2
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC/DC converter with an ESR of less
than 100mΩ at 100 kHz
C3
100nF multilayer ceramic capacitor, general purpose
R1
450Ω resistor, carbon film, ±1% tolerance
R2
50Ω BNC termination
T1
3T of the coax cable through a ferrite toroid
RLOAD
Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires
Measured values are multiplied by 10 to obtain the specified values.
Differential Mode Noise Test Schematic
SUPPLY
DC/DC Converter
++
Input Output
--
C1 C2 C3 R1
OSCILLOSCOPE
T1
R2
Y INPUT
R LOAD
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KDC_NMJ.G05 Page 5 of 6
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