FDD05_10 Datasheet, PDF (4/4 Pages) Chinfa Electronics Ind. Co., Ltd. – DC - DC CONVERTER 5~6W 5V INPUT MODEL

RECOMMENDED CIRCUIT
‧Recommended filter for EN55022 Class B compliance
L1
C4
+
C1 D1
Vin +
Vo +
C2
FDD05
Vin -
Vo -
-
C3
NOTE:D1-Reverse Diode (2A/100V)
FDD05 SERIES
5V INPUT MODEL
‧Recommended EN 55022 Class B filter circuit layout.
‧The commponents used in the above figure, together with the
manufacturer part numbers for these components, are as follows.
C1
C2
C3
C4
L1
FDD05-XXS0 _{6.8μF / 50V 3.3μF / 50V}
FDD05-XXD0 ^MLCC
MLCC
InF / 2KV
MLCC
InF / 2KV
MLCC
0.5mH
Common
Choke
DERATING AND EFFICIENCY CURVE
Temperature derating curve
100
NATURAL
CONVECTION
COOLING
0
-25
71
100
Ambient Temperature [ ^oC ]
Efficiency Vs Input Voltage
FDD05-05S0
85
84
83
Io : Full Load
82
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
Input Voltage (V)
www.chinfa.com
2010.02.09
Efficiency Vs Output Load
FDD05-05S0
87
86
85
84
83
82
Vi : 5VDC
81
80
10 20 30 40 50 60 70 80 90 100
Output Load (%)
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P4