FEW SERIES
20~30W WIDE INPUT RANGE
FEATURES
20~30W DIL PACKAGE
INDUSTRY STANDARD PACKAGE
9-18V,18-36V,36-75V,9-36V,18-75V
WIDE INPUT RANGE
REGULATED OUTPUT
INPUT UVLO & OVLO
HIGH EFFICIENCY
UL 94V-0 PACKAGE MATERIAL
CUSTOM SOLUTIONS AVAILABLE
3 YEARS WARRANTY
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Voltage Set-point Accuracy
+/-2% max. Input Voltage Range
Temperature Coefficient
+/-0.05%/°C Input Filter
Pi Network
150mVp-p max. Protection
Fuse Recommended
Ripple & Noise(20MHz BW)1
2:1 or 4:1 Input Range
Line Regulation2
+/-0.3% max. OVLO(Over Voltage Lockout)
See Page 6
Load Regulation3
+/-0.5% max. UVLO(Under Voltage Lockout)
See Page 6
Minimum Load
4
10% of Full Load OVLO & UVLO Circuit Restart
Short Circuit Protection
Continuous
Short Circuit Restart
Automatic
GENERAL SPECIFICATIONS
Automatic Efficiency
Over Load Protection
130%~180% Isolation Voltage5
Transient Response6
500uS max. Isolation Resistance
External Trim Adj. Range
Vout:5V
External Trim Adj. Range
Vout:12V,15V
88% typ.
1500VDC min.
9
10 ohms min.
+/-10% Isolation Capacitance
3000pF max.
-20%~+10% Switching Frequency
300 KHz typ.
ENVIRONMENTAL SPECIFICATIONS
7
>300,000 Hours
Operating Temperature (20W)
-40°C to +75°C Weight
31.2g typ.
Operating Temperature (30W)
-40°C to +55°C Case Material
Case Temperature
Storage Temperature
Humidity
Cooling
MTBF
+100°C max. Case Size
Six-Side Shielded Case
50.8mm*25.4mm*11.2mm
-55°C to +125°C Radiated Emissions
EN55022 Class A
95% max.
Free-Air Convection
ALL SPECIFICATIONS TYPICAL AT NOMINAL LINE, FULL LOAD, AND 25 °C UNLESS OTHERWISE NOTED.
1
2
3
4
5
6
7
Measured with 1uF ceramic capacitor connect to the output pins.
High Line to Low Line.
Load Regulation is for output load current change from 10% to 100%.
FEWS-XXXXA20T Minimum load 20% of full load.
For 10 seconds.
25% Step Load Change.
MIL-HDBK-217F @25°C, Ground Benign.
DANUBE
http://www.danube.com.tw
1
2016/09/20
SELECTION GUIDE
2:1 20W OUTPUT
INPUT8
MODEL
NUMBER
INPUT
OUTPUT
OUTPUT
VOLTAGE VOLTAGE CURRENT
(VDC)
(VDC)
(mA)
CAPACITOR
CURRENT(mA) EFF
FULL
9
NO (%)
LOAD
PACKAGE
(Max)
LOAD LOAD
FEWS-1203.3A20
9-18
3.3
5000
1617
65
85
1000uF
FEWS-1205A20
9-18
5
4000
1893
65
88
1000uF
FEWS-1212A20
9-18
12
1666
1893
20
88
220uF
FEWS-1215A20
9-18
15
1333
1872
20
89
100uF
FEWD-1212A20
9-18
+/-12
+/-833
1893
20
88
+/-100uF
FEWD-1215A20
9-18
+/-15
+/-667
1872
20
89
+/-47uF
FEWS-2403.3A20
18-36
3.3
5000
809
45
85
1000uF
FEWS-2405A20
18-36
5
4000
947
45
88
1000uF
FEWS-2412A20
18-36
12
1666
936
20
89
220uF
FEWS-2415A20
18-36
15
1333
926
20
90
100uF
FEWD-2412A20
18-36
+/-12
+/-833
936
20
89
+/-100uF
FEWD-2415A20
18-36
+/-15
+/-667
926
20
89
+/-47uF
FEWS-4803.3A20
36-75
3.3
5000
404
40
85
1000uF
FEWS-4805A20
36-75
5
4000
473
40
88
1000uF
FEWS-4812A20
36-75
12
1666
473
10
88
220uF
FEWS-4815A20
36-75
15
1333
468
10
89
100uF
FEWD-4812A20
36-75
+/-12
+/-833
473
10
88
+/-100uF
FEWD-4815A20
36-75
+/-15
+/-667
473
10
88
+/-47uF
A
Note: Other input to output voltages may be available. Please contact factory.
8
9
NOMINAL INPUT VOLTAGE.
NOMINAL INPUT VOLTAGE, FULL LOAD.
DANUBE
http://www.danube.com.tw
2
2016/09/20
SELECTION GUIDE
4:1 20W OUTPUT
INPUT10
INPUT
OUTPUT
OUTPUT
MODEL NUMBER VOLTAGE VOLTAGE CURRENT
(VDC)
(VDC)
(mA)
CAPACITOR
CURRENT
EFF
(mA)
FULL
(%)11
NO
LOAD
PACKAGE
(Max)
LOAD LOAD
FEWS-1203.3A20T
9-36
3.3
5000
1617
80
85
1000uF
FEWS-1205A20T
9-36
5
4000
1915
80
87
1000uF
FEWS-1212A20T
9-36
12
1666
1914
20
87
220uF
FEWS-1215A20T
9-36
15
1333
1915
20
87
100uF
FEWS-2403.3A20T
18-75
3.3
5000
808
60
85
1000uF
FEWS-2405A20T
18-75
5
4000
957
60
87
1000uF
FEWS-2412A20T
18-75
12
1666
957
20
87
220uF
FEWS-2415A20T
18-75
15
1333
957
20
87
100uF
A
Note: Other input to output voltages may be available. Please contact factory.
10
11
NOMINAL INPUT VOLTAGE.
NOMINAL INPUT VOLTAGE, FULL LOAD.
DANUBE
http://www.danube.com.tw
3
2016/09/20
SELECTION GUIDE
2:1 30W OUTPUT
INPUT12
MODEL
NUMBER
INPUT
OUTPUT
OUTPUT
VOLTAGE VOLTAGE CURRENT
(VDC)
(VDC)
(mA)
CAPACITOR
CURRENT(mA) EFF
FULL
13
NO (%)
LOAD
PACKAGE
(Max)
LOAD LOAD
FEWS-1203.3B30
9-18
3.3
7000
2292
180
85
1000uF
FEWS-1205B30
9-18
5
6000
2841
165
88
1000uF
FEWS-1212B30
9-18
12
2500
2793
140
89.5
220uF
FEWS-1215B30
9-18
15
2000
2793
120
89.5
100uF
FEWS-2403.3B30
18-36
3.3
7000
1119
120
86
1000uF
FEWS-2405B30
18-36
5
6000
1412
95
88.5
1000uF
FEWS-2412B30
18-36
12
2500
1404
40
89
220uF
FEWS-2415B30
18-36
15
2000
1389
40
90
100uF
FEWS-4803.3B30
36-75
3.3
7000
566
85
85
1000uF
FEWS-4805B30
36-75
5
6000
710
60
88
1000uF
FEWS-4812B30
36-75
12
2500
702
55
89
220uF
FEWS-4815B30
36-75
15
2000
694
30
90
100uF
B
Note: Other input to output voltages may be available. Please contact factory.
12
13
NOMINAL INPUT VOLTAGE.
NOMINAL INPUT VOLTAGE, FULL LOAD.
DANUBE
http://www.danube.com.tw
4
2016/09/20
PART NUMBERS STRUCTURE
Model Name
Difference
FEWv-x1x2x3x4T-zzz FE=Series Name
W=Wide Input Range
v=Type of output voltage (S=Single output;D=Dual output)
x1=12V (9~18V;9~36V Input voltage)
24V (18~36V;18~75V Input voltage)
48V (36~75V Input voltage)
x2=Output voltage(3.3V;5V;12V;15V)
x3=Package(A;B)
x4=Power(20W;30W)
T= 4:1 Input voltage
zzz= 0~9,A~Z or blank for market purpose.
MECHANICAL DIMENSIONS
PACKAGE "A"
PIN
SINGLE
DUAL
1
+Vin
+Vin
2
-Vin
-Vin
3
+Vout
+Vout
4
Trim
Common
5
-Vout
-Vout
6
Remote
On/Off
Remote
On/Off
NOTE:
All dimensions are in millimeters [inches]
Pin Size is Tolerance 1.0Φ ±0.10mm
Tolerance .X
or
.XX= ±0.80mm
PACKAGE "B"
50.8[2.00]
SIDE
VIEW
PIN
SINGLE
1
+Vin
2
-Vin
3
Remote On/Off
4
+Vout
5
-Vout
6
Trim
11.20[0.44]
5.8[0.23]
1
2
4
BOTTOM
VIEW
3
5
10.16[0.4]
20.32[0.8]
25.4[1.0]
5.08[0.2]
15.24[0.6]
45.72[1.8]
6
NOTE:
All dimensions are in millimeters [inches]
50.8[2.00]
Pin Size is Tolerance 1.0Φ ±0.10mm
Al l di me ns ions are i n m ill im ete rs [inc he s]
DANUBE
Tolerance .X
or
.XX= ±0.80mm
http://www.danube.com.tw
5
2016/09/20
RECOMMENDED FOOTPRINT DETAILS
PACKAGE "A"
PACKAGE "B"
GRID:2.54 mm
GRID:2.54 mm
TOP VIEW
TOP VIEW
6
6
5
3
2
4
5
1
2
1 . 2Φ+0.2/-0
1 . 2Φ+0.2/-0
1
3
4
Remote On/Off Control
Control Input
Package A:PIN6 Package B:PIN3 Control Common
Control Voltage
ON
PIN2
Converter Shutdown Idle Current
>+2.5VDC or Open Circuit
CMOS or Open
Logic Compatibility
OFF
10mA
Collector TTL
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