MEV1D4809SC 查看數據表（PDF） - Murata Power Solutions
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MEV1D4809SC Datasheet PDF : 10 Pages
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MEV1 Series
3kVDC Isolated 1W Single & Dual 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
MEV1x0505xC
10
MEV1x0509xC
22
MEV1x0512xC
47
MEV1x0515xC
47
MEV1x1205xC
10
MEV1x1209xC
22
MEV1x1212xC
47
MEV1x1215xC
47
MEV1x1505xC
10
MEV1x1509xC
22
MEV1x1512xC
47
MEV1x1515xC
47
MEV1x2405xC
10
MEV1x2409xC
22
MEV1x2412xC
47
MEV1x2415xC
47
MEV1x4805SC
10
MEV1x4809SC
22
MEV1x4812SC
47
MEV1x4815SC
47
Inductor
SMD
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
Through Hole
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
Capacitor
C, μF
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
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