NMJ0505SAC データシートの表示（PDF） - Murata Power Solutions

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NMJ0505SAC

5.2kVDC Isolated 1W DC/DC Conv

Murata Power Solutions 

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

C2

C3

R1

R2

T1

RLOAD

R3

1uF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter

10uF 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

100nF multilayer ceramic capacitor, general purpose

450Ω resistor, carbon film, +/-1% tolerance

50Ω BNC termination

3T of the coax cable through a ferrite toroid

Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires

50Ω resistor, carbon film, +/-1%

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

www.murata-ps.com

Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232

KDC_NMJC.G02 Page 5 of 6

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