FDD12-0512T4 View Datasheet(PDF) - CHINFA ELECTRONICS
Part Name
Description
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FDD12-0512T4 Datasheet PDF : 8 Pages
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RECOMMENDED CIRCUIT
‧Recommended filter for EN55022 Class B compliance
L1
C4
+
Vin + Vo +
C1
C2
FDD12
Vin -
Vo -
-
C3
‧Recommended EN 55022 Class B filter circuit layout.
FDD12 SERIES
SINGLE & DUAL OUTPUT
‧The components used in the above figure, together with the manufacturer
part numbers for these components, are as follows.
C1
C2
C3
FDD12-XXX4 4.7μF / 50V 4.7μF / 50V InF / 2KV
MLCC
MLCC
MLCC
FDD12-XXX5 6.8μF / 100V 6.8μF / 100V InF / 2KV
MLCC
MLCC
MLCC
C4
InF / 2KV
MLCC
InF / 2KV
MLCC
L1
0.5mH
Common
Choke
0.5mH
Common
Choke
DERATING AND EFFICIENCY CURVE
Temperature derating curve
100
Safe Operating Area
0
-25
71
100
Ambient Temperature [ oC ]
Efficiency Vs Input Voltage
FDD12-05S4
82
81
80
79
78
77
76
18 20 22
24 26 28 30
Input Voltage (V)
Io : Full Load
32 34 36
www.chinfa.com
2014.05.26
Efficiency Vs Output Load
FDD12-05S4
85
80
75
70
65
Vi : 24VDC
60
55
50
10 20 30 40 50 60 70 80 90 100
Output Load (%)
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P4
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