DFEC40W SERIES
CHASSIS-MOUNT DC-DC CONVERTER
4:1 ULTRA WIDE INPUT RANGE
UP TO 40 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
DFEC40-24S3P3W
DFEC40-24S05W
DFEC40-24S12W
DFEC40-24S15W
DFEC40-24S24W
DFEC40-24S28W
DFEC40-24D12W
DFEC40-24D15W
DFEC40-48S3P3W
DFEC40-48S05W
DFEC40-48S12W
DFEC40-48S15W
DFEC40-48S24W
DFEC40-48S28W
DFEC40-48D12W
DFEC40-48D15W
Input Range
VDC
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
9.5 ~ 36
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
Output Voltage
VDC
3.3
5
12
15
24
28
±12
±15
3.3
5
12
15
24
28
±12
±15
Output Current
@Full Load
A
10
8
3.333
2.666
1.667
1.333
±1.667
±1.333
10
8
3.333
2.666
1.667
1.333
±1.667
±1.333
Input Current
@ No Load
mA
83
103
56
56
76
82
65
76
63
68
34
34
41
41
34
34
Efficiency
%
85
86
85
85
84
84
84
84
85
87
85
86
84
84
84
84
PART NUMBER STRUCTURE
DFEC40 -
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
24:
24
28:
28
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
25750
13600
2360
1510
600
375
±1200
±750
25750
13600
2360
1510
600
375
±1200
±750
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
24Vin(nom)
48Vin(nom)
Min.
9.5
18
Typ.
24
48
8
4
15
15
Max.
36
75
Unit
VDC
A
A
mAp-p
9.5
18
8
16
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
10
5
VDC
VDC
ms
VDC
mA
mA
Remote off input current
OUTPUT SPECIFICATIONS
Parameter
Voltage accuracy
Line regulation
Load regulation
Cross regulation
Voltage adjustability
Ripple and noise
Conditions
3.3Vout
Others
Low Line to High Line at Full Load
No Load to Full Load
Asymmetrical load 25%/100% FL
Single output
Measured by 20MHz bandwidth
Single
3.3Vout
Others
Dual
28Vout
Others
3.3Vout, 5Vout,
12Vout, 15Vout
24Vout, 28Vout
All
Min.
-1.5
-1.0
-0.5
-2.0
-1.0
-5.0
-3
-10
Typ.
Max.
+1.5
+1.0
+0.5
+2.0
+1.0
+5.0
+17
+10
Unit
%
%
%
%
%
Dual
Temperature coefficient
Transient response recovery time
Over voltage protection
25% load step change
Zener diode clamp
50
75
100
100
-0.02
+0.02
mVp-p
3.3Vout
5Vout
12Vout
15Vout
24Vout
28Vout
Output indicator
Over load protection
Short circuit protection
% of Iout rated; Hiccup mode
250
3.9
6.2
15
VDC
18
30
36
Green LED
150
%
Continuous, automatics recovery
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
270
Typ.
Max.
Unit
VDC
300
Chassis material
Weight
MTBF
MIL-HDBK-217F, Full load
G
4500
pF
330
kHz
UL60950-1
EN60950-1
IEC60950-1
Aluminum
182g (6.40oz)
7.632 x 10
5
hrs
2
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2014/4/30
℃
%/
µs
ENVIRONMENTAL SPECIFICATIONS
Parameter
Operating ambient temperature
Storage temperature range
Thermal shock
Vibration
Relative humidity
Conditions
Without derating
With derating
Min.
-40
+63
-40
Typ.
Max.
Unit
+63
+87
+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
± 1kV
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
DFEC40-48S05W Derating Curve
DFEC40-48S05W Efficiency vs. Input Voltage
DFEC40-48S05W 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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