NME 查看數據表（PDF） - Unspecified
零件编号
产品描述 (功能)
生产厂家
NME Datasheet PDF : 11 Pages
| |||
NME Series
Isolated 1W Single Output DC-DC Converters
APPLICATION NOTES
Minimum load
The minimum load to meet datasheet specification is 10% of the full rated load across the specified input voltage range. Lower than 10% minimum loading will result in
an increase in output voltage, which may rise to typically double the specified output voltage if the output load falls to less than 5%.
Capacitive loading and start up
Typical start up times for this series, with a typical input voltage rise time of 2.2μs and output capacitance of 10μF, are shown in the table below. The product
series will start into a capacitance of 47μF with an increased start time, however, the maximum recommended output capacitance is 10μF.
NME0505XC
NME0509XC
NME0512XC
NME0515XC
NME0524XC
NME1205XC
NME1209XC
NME1212XC
NME1215XC
NME1515SC
NME2405XC
NME2409XC
NME2412XC
NME2415XC
NME0505XPC
Start-up time
μs
991
3524
5630
7750
19850
682
2102
4030
6193
685
135
260
430
640
350
Typical Start-Up Wave Form
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
www.murata-ps.com/support
KDC_NME.I02 Page 4 of 11
Share Link: 