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FDD25-05SX View Datasheet(PDF) - CHINFA ELECTRONICS

Part Name
Description
View to exact match
FDD25-05SX Datasheet PDF : 4 Pages
1 2 3 4
RECOMMENDED CIRCUIT
Recommended EN 55022 Class B filter circuit layout.
FDD25 SERIES
SINGLE & DUAL OUTPUT
DERATING AND EFFICIENCY CURVE
Temperature derating curve
100
NATURAL
CONVECTION
COOLING
0
-25
71
Ambient Temperature [ oC ]
Efficiency Vs Input Voltage
FDD25-05S2
88
87
86
85
84
83
82
18 20 22 24 26 28 30
Input Voltage (V)
Fig. 1 Trim connection
( For Single output )
100
Io : Full Load
32 34 36
6 Vo +
7 Vo -
Trim
8
Rext 1
6 Vo +
7 Vo -
Trim
8
Rext 2
Efficiency Vs Output Load
FDD25-05S2
90
85
80
75
70
65
60
10 20 30
40 50 60 70
Output Load (%)
Vi : 24VDC
80 90 100
( For Dual output )
5 Vo +
6 com
Vo -
7
Trim
8
Rext 1
5 Vo +
6 com
Vo -
7
Trim
8
Rext 2
Table 1 Typical resistor values for various output voltage adjustment settings
Type
Rext 1
Vo nom -2.5%
Vo nom -5%
Rext 2
Vo nom +2.5%
Vo nom +5%
FDD25-03SX
Type
3.3KΩ
Vo nom -5%
1KΩ
Vo nom -10%
12KΩ
Vo nom +5%
5.6KΩ
Vo nom +10%
FDD25-05SX
FDD25-12SX
FDD25-15SX
FDD25-12DX
FDD25-15DX
6.8KΩ
22KΩ
150KΩ
150KΩ
330KΩ
680Ω
6.2KΩ
6.2KΩ
68KΩ
180KΩ
4.7KΩ
6.2KΩ
20KΩ
10KΩ
27KΩ
680Ω
0Ω
3.9KΩ
1.5KΩ
6.8KΩ
www.chinfa.com
2010.02.09
sales@chinfa.com
P4
 

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