DFED20W SERIES
DIN RAIL DC-DC CONVERTER
4:1 ULTRA WIDE INPUT RANGE
UP TO 20 Watts
FEATURES
•
NO MINIMUM LOAD REQUIRED
•
1600VDC INPUT TO OUTPUT ISOLATION
•
SCREW TERMINALS FOR INPUT AND OUTPUT CONNECTIONS
•
RELIABLE SNAP-ON FOR DIN RAIL TS-35/7.5 OR TS-35/15
•
CASE PROTECTION MEET IP20(IEC60529)
•
INTERNAL OUTPUT DC-OK INDICATOR
•
MEET EN55022 CLASS B
•
SAFETY MEETS UL60950-1, EN60950-1, & IEC60950-1
•
CE MARKED
•
COMPLIANT TO RoHS II & REACH
APPLICATIONS
•
COMMUNICATION SYSTEM
•
INDUSTRY CONTROL SYSTEM
•
FACTORY AUTOMATIC EQUIPMENT
•
SEMICONDUCTOR EQUIPMENT
1600VDC
ISOLATION
REMOTE
CONTROL
UVP
OCP
SCP
OVP
FUSE
INCLUDED
INRUSH
LIMIT
REVERSE
POLARITY
PROTECTION
Model
Number
DFED20-24S3P3W
DFED20-24S05W
DFED20-24S12W
DFED20-24S15W
DFED20-24D05W
DFED20-24D12W
DFED20-24D15W
DFED20-48S3P3W
DFED20-48S05W
DFED20-48S12W
DFED20-48S15W
DFED20-48D05W
DFED20-48D12W
DFED20-48D15W
Input Range
VDC
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
Output Voltage
VDC
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
±5
±12
±15
Output Current
@Full Load
mA
5500
4000
1670
1330
±2000
±833
±667
5500
4000
1670
1330
±2000
±833
±667
Input Current
@ No Load
mA
52
67
26
27
59
34
35
37
37
18
18
37
20
20
Efficiency
%
83
86
84
84
86
85
85
83
86
85
85
87
86
86
PART NUMBER STRUCTURE
DFED20 -
Series Name
48
Input
Voltage
(VDC)
24:
9.5~36
48:
18~75
S
Output
Quantity
S:
Single
05
Output
Voltage
(VDC)
3P3:
3.3
05:
5
12:
12
15:
15
05:
±5
12:
±12
15:
±15
W -
Input
Range
4:1
N
Remote Control
Option
:
Positive logic
N:
Negative logic
D:
Dual
1
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TECHNICAL SPECIFICATION
All specifications are typical at nominal input, full load and 25
otherwise noted
Maximum
Capacitor Load
(1)
µF
18000
9600
1650
1050
±4800
±825
±525
18000
9600
1650
1050
±4800
±825
±525
2014/4/30
INPUT SPECIFICATIONS
Parameter
Operating input voltage range
Input fuse (slow blow)
In-rush current
Input reflected ripple current
Start up voltage
Shutdown voltage
Start up time
Input surge voltage
Remote ON/OFF
Nominal input and
Constant resistive load
100ms, max.
Referred to –Vin pin
Conditions
24Vin(nom)
48Vin(nom)
24Vin(nom)
48Vin(nom)
Nominal input and Full load
24Vin(nom)
48Vin(nom)
24Vin(nom)
48Vin(nom)
Power up
Remote ON/OFF
24Vin(nom)
48Vin(nom)
Positive logic
DC-DC ON
(Standard)
DC-DC OFF
Negative logic
DC-DC ON
(Option)
DC-DC OFF
Input current of Ctrl pin
Remote off input current
Min.
9.5
18
Typ.
24
48
6
4
15
10
Max.
36
75
Unit
VDC
A
A
mAp-p
9.5
18
7.5
15
100
20
50
100
Open or 3 ~ 12VDC
Short or 0 ~ 1.2VDC
Short or 0 ~ 1.2VDC
Open or 3 ~ 12VDC
-0.5
0.5
2.5
VDC
VDC
ms
VDC
mA
mA
OUTPUT SPECIFICATIONS
Parameter
Voltage accuracy
Line regulation
Load regulation
Cross regulation
Voltage adjustability
Ripple and noise
Conditions
Low Line to High Line at Full Load
No Load to Full Load
Asymmetrical load 25%/100% FL
Single output
Measured by 20MHz bandwidth
3.3Vout
Others
Single
Dual
Dual
Single
Dual
3.3Vout,
5Vout, 12Vout, 15Vout
All
Min.
-1.5
-1.0
-0.2
-0.5
-1.5
-5.0
-10
Typ.
Max.
+1.5
+1.0
+0.2
+0.5
+1.5
+5.0
+10
Unit
%
%
%
%
%
mVp-p
60
75
100
-0.02
25% load step change
Zener diode clamp
3.3Vout
5Vout
12Vout
15Vout
Output indicator
Over load protection
Short circuit protection
% of Iout rated; Hiccup mode
GENERAL SPECIFICATIONS
Parameter
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Safety meets
1 minute
500VDC
Conditions
Input to Output
Input (Output) to Chassis
Min.
1600
1600
1
360
Typ.
Max.
Unit
VDC
400
4000
440
Chassis material
Weight
MTBF
MIL-HDBK-217F, Full load
G
pF
kHz
UL60950-1
EN60950-1
IEC60950-1
Aluminum
147.5g (5.19oz)
1.619 x 10
6
hrs
2
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2014/4/30
℃
Temperature coefficient
Transient response recovery time
Over voltage protection
+0.02
%/
250
µs
3.9
6.2
VDC
15
18
Green LED
150
%
Continuous, automatics recovery
ENVIRONMENTAL SPECIFICATIONS
Parameter
Operating ambient temperature
Storage temperature range
Thermal shock
Vibration
Relative humidity
Conditions
Without derating
With derating
Min.
-40
+78
-40
Typ.
Max.
Unit
+78
+93
+105
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
EMC SPECIFICATIONS
Parameter
EMI
ESD
Radiated immunity
Fast transient
Surge
Conducted immunity
EN55022
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
Conditions
Air ± 8kV and Contact ± 6kV
10V/m
± 2kV
± 0.5kV
10Vr.m.s
Level
Class B
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Note:
1.
Test by minimum input and constant resistive load.
CHARACTERISTIC CURVE
DFED20-48S05W Derating Curve
DFED20-48S05W Efficiency vs. Input Voltage
DFED20-48S05W Efficiency vs. Output Load
MECHANICAL DRAWING
PIN CONNECTION
PIN
SINGLE
DUAL
1
Ctrl
Ctrl
2
-Vin
-Vin
3
-Vin
-Vin
4
+Vin
+Vin
5
NC
NC
6
-Vout
-Vout
7
+Vout
Common
8
NC
+Vout
* NC No Connection
* Screw terminals –
wire range from 14 to 18 AWG
1. All dimensions in Inch (mm)
2. Tolerance : X.XX±0.02 (X.X±0.5)
4. Tolerance :
X.XXX±0.01 (X.XX±0.25)
3. Terminal screw locked torque :
MAX 2.5kgf cm (0.25N m)
3
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2014/4/30
℃
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