JF Datasheet, PDF (4/6 Pages) Wall Industries,Inc. – 15W Open Frame DC/DC Power Converters

Rev. C
JF Series
Single Outputs
2:1 Input Voltage Range
15W DC/DC Power Converters
CHARACTERISTIC CURVES
JF48S5-3000 Derating Curve
3.50
3.00
2.50
2.00
1.50
1.00
Natural Convection
0.50
1.0m/s(200LFM)
2.0m/s(400LFM)
3.0m/s(600LFM)
0.00
-40 -20 0 20 40 60 80
Ambient Temperature, Ta (°C)
100 120
JF48S5-3000 Efficiency vs Input Voltage
90
89
88
87
86
85
84
83
82
36 40 44 48 52 56 60 64 68 75
Input Voltage, Vin (VDC)
JF48S5-3000 Efficiency vs Output Current
Output Current, Iout (mA)
RECOMMENDED EMI FILTERS
Recommended Filter for EN55022 Class A Compliance
C3
Recommended Filter for EN55022 Class B Compliance
C5
+INPUT
-INPUT
L1
C1
+Vin
+Vout
DC/DC CONVERTER
-Vin
-Vout
Load
+INPUT
L1
C1
L2
C2 C3
-INPUT
+Vin
+Vout
DC/DC CONVERTER
-Vin
-Vout
LOAD
C2
The components used in the figure above are as follows:
MODEL
JF24Sxx-xxxx
JF48Sxx-xxxx
C1
6.8µF/50V
1812 MLCC
2.2µF/100V
1812 MLCC
C2, C3
470pF/3KV
1808 MLCC
470pF/3KV
1808 MLCC
L1
10µF
SMT Inductor
PMT-047
18µF
SMT Inductor
PMT-046
C4
The components used in the figure above are as follows:
MODEL
C1 & C2
JF24Sxx-xxxx
6.8µF/50V
1812 MLCC
JF48Sxx-xxxx
2.2µF/100V
1812 MLCC
C3
6.8µF/50V
1812 MLCC
2.2µF/100V
1812 MLCC
C4 & C5
470pF/3KV
1808 MLCC
L1
L2
145µH
10µF
Common Choke SMT Inductor
PMT-051
PMT-047
470pF/3KV
1808 MLCC
145µH
18µF
Common Choke SMT Inductor
PMT-051
PMT-046
Recommended EN55022 Class A Filter Circuit Layout
Recommended EN55022 Class B Filter Circuit Layout
11/11/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax [phone]
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