MEV3S1215SC Просмотр технического описания (PDF) - Murata Manufacturing
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MEV3S1215SC Datasheet PDF : 7 Pages
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MEV3 Series
3kVDC Isolated 3W 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.
Power
Source
DC
DC
L
C
Load
MEV3S0505SC
MEV3S0509SC
MEV3S0512SC
MEV3S0515SC
MEV3S1205SC
MEV3S1209SC
MEV3S1212SC
MEV3S1215SC
Inductor
Capacitor
L, μH
SMD Through Hole C, μF
10
84103C 11R103C
4.7
22
84223C 11R223C
2.2
47
84473C 11R473C
1
47
84473C 11R473C
1
10
84103C 11R103C
4.7
22
84223C 11R223C
2.2
47
84473C 11R473C
1
47
84473C 11R473C
1
EFFICIENCY VS LOAD
MEV3505xxSC Input Voltage
90
80
70
15V
60
12V
50
9V
5V
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Load (%)
MEV3512XXSC Input Voltage
90
80
70
15V
60
12V
9V
50
5V
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Load (%)
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KDC_MEV3.C01 Page 6 of 7
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