Isolated 1W 4:1 Input Single Output DC/DC Converters
KDC_NCS1.D01 Page 4 of 8
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EFFICIENCY VS LOAD
NCS1S1203SCNCS1S1205SC
NCS1S1212SCNCS1S2403SC
NCS1S2405SCNCS1S2412SC
0
10
20
30
40
50
60
70
80
0102030405060708090100
Efficiency (%)
Load (%)
4.5 Vin
5 Vin
12 Vin
18 Vin
0
10
20
30
40
50
60
70
80
90
0102030405060708090100
Efficiency (%)
Load (%)
9 Vin
12 Vin
24 Vin
36 Vin
0
10
20
30
40
50
60
70
80
90
0102030405060708090100
Efficiency (%)
Load (%)
4.5 Vin
5 Vin
12 Vin
18 Vin
0
10
20
30
40
50
60
70
80
90
0102030405060708090100
Efficiency (%)
Load (%)
9 Vin
12 Vin
24 Vin
36 Vin
0
10
20
30
40
50
60
70
80
90
0102030405060708090100
Efficiency (%)
Load (%)
4.5 Vin
5 Vin
12 Vin
18 Vin
0
10
20
30
40
50
60
70
80
90
0102030405060708090100
Efficiency (%)
Load (%)
9 Vin
12 Vin
24 Vin
36 Vin
NCS1 Series
Isolated 1W 4:1 Input Single Output DC/DC Converters
KDC_NCS1.D01 Page 5 of 8
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TEMPERATURE DERATING
NCS1S1203SCNCS1S1205SC
NCS1S1212SCNCS1S2403SC
NCS1S2405SCNCS1S2412SC
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
708090100110
Load (%)
Ambient Temperature
O
C
still air
100 lfm
200 lfm
400 lfm
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
708090100110
Load (%)
Ambient Temperature
O
C
still air
100 LFM
200 LFM
400 LFM
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
8090100110
Load (%)
Ambient Temperature
O
C
still air
100 lfm
200 lfm
400 lfm
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
8090100110
Load (%)
Ambient Temperature
O
C
still air
100 lfm
200 lfm
400 lfm
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
8090100110
Load (%)
Ambient Temperature
O
C
still air
100 lfm
200 lfm
400 lfm
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
707580859095100105
Load (%)
Ambient Temperature
O
C
still air
100 LFM
200 LFM
400 LFM
NCS1 Series
Isolated 1W 4:1 Input Single Output DC/DC Converters
KDC_NCS1.D01 Page 6 of 8
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EMC FILTERING AND SPECTRA
FILTERING
The module includes a basic level of filtering, the following table shows the additional input capacitor and input inductor typically required to meet EN 55022 Curve A
Quasi-Peak EMC limit, as shown in the following plots.