NML0505SC 查看數據表（PDF） - Murata Manufacturing
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NML0505SC Datasheet PDF : 5 Pages
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NML Series
Isolated 2W Single Output DC/DC Converters
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.
L
Power
Source
DC
DC
C
Load
L, μH
NML0505SC
22
NML0509SC
47
NML0512SC
47
NML0515SC
68
NML1205SC
22
NML1209SC
47
NML1212SC
47
NML1215SC
68
Inductor
SMD
82223
82473
82473
82683
82223
82473
82473
82683
Through Hole
11R223C
11R473C
11R473C
11R683C
11R223C
11R473C
11R473C
11R683C
Capacitor
C, μF
2.2uF
1uF
2.2uF
3.3uF
2.2uF
1uF
2.2uF
3.3uF
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KDC_NML.E02 Page 4 of 5
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