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

Rev. D
JFW Series
Single Output
4:1 Input Voltage Range
15W DC/DC Power Converters
CHARACTERISTIC CURVES
JFW48S5-3000 Derating Curve
120
100
80
60
40
20
0
-40
Natural Convection
100LFM
200LFM
300LFM
400LFM
500LFM
20
40
60
80
Ambient Temperature (°C)
100
120
JFW48S5-3000 Efficiency vs Input Voltage
JFW48S5-3000 Efficiency vs Output Current
RECOMMENDED EMI FILTERS
Recommended Filter for EN55022 Class A Compliance
C3
Recommended Filter for EN55022 Class B Compliance
C6
+INPUT
-INPUT
L1
C1
+Vin
+Vout
-Vin
Trim
CTRL
-Vout
DC/DC CONVERTER
Load
+INPUT
L1
C1 C2
L2
C3 C4
-INPUT
+Vin
+Vout
-Vin
-Vout
DC/DC CONVERTER
LOAD
C2
The components used in the figure above are as follows:
MODEL
JFW24
JFW48
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-070
18µF
SMT Inductor
PMT-071
C5
The components used in the figure above are as follows:
MODEL
JFW24
JFW48
C1
N/A
2.2µF/100V
1812 MLCC
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
10µF
SMT Inductor
PMT-070
33µF
SMT Inductor
PMT-069
Recommended EN55022 Class A Filter Circuit Layout
Recommended EN55022 Class B Filter Circuit Layout
10/18/2011
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax [phone]
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