LED15-48S05W Derating Curve
OUTPUT POWER(%)
120
100
80
60
40
20
0
0
20
40
60
76
80
100
120
Ambient Temperature(℃)
Recommended Filter for EN55022 Class B Compliance
LED15-48S05W
Efficiency VS Input Voltage
92
The components used in the above figure, together with the
manufacturers’ part numbers for these components, are as follows:
C1
LED15-
24xxxW
LED15-
48xxxW
N/A
EFFICIENCY(%)
90
88
86
84
82
80
C2 & C3 & C4
6.8μF/50V
1812 MLCC
2.2μF/100V
1812 MLCC
C5 & C6
470pF/3KV
1808 MLCC
470pF/3KV
1808 MLCC
L1
145μH
Common
Choke
PMT-051
325μH
Common
Choke
PMT-050
L2
10μH
SMD
Inductor
PMT-070
33μH
SMD
Inductor
PMT-069
18
24
30
36
42
48
54
60
66
72
2.2μF/100V
1812 MLCC
INPUT VOLTAGE (V)
LED15-48S05W
Efficiency VS Output Load
95
90
85
80
75
70
65
60
55
50
45
10
20
30
40
50
60
70
80
90
100
EFFICIENCY(%)
OUTPUT LOAD (% of Full Load)
Recommended EN55022 Class B Filter Circuit Layout
Page 3 of 3
Issued Date：2008/05/21
P-DUKE [ POWER MATE TECHNOLOGY CO., LTD ]
