DFEC40 SERIES
CHASSIS-MOUNT DC-DC CONVERTER
2:1 WIDE INPUT RANGE
UP TO 40 Watts
FEATURES
•
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
DFEC40-12S3P3
DFEC40-12S05
DFEC40-12S12
DFEC40-12S15
DFEC40-12S24
DFEC40-12S28
DFEC40-12D12
DFEC40-12D15
DFEC40-12T3312
DFEC40-12T3315
DFEC40-12T0512
DFEC40-12T0515
DFEC40-24S3P3
DFEC40-24S05
DFEC40-24S12
DFEC40-24S15
DFEC40-24S24
DFEC40-24S28
DFEC40-24D12
DFEC40-24D15
DFEC40-24T3312
DFEC40-24T3315
DFEC40-24T0512
DFEC40-24T0515
DFEC40-48S3P3
DFEC40-48S05
DFEC40-48S12
DFEC40-48S15
DFEC40-48S24
DFEC40-48S28
DFEC40-48D12
DFEC40-48D15
DFEC40-48T3312
DFEC40-48T3315
DFEC40-48T0512
DFEC40-48T0515
Input Range
VDC
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
9.5 ~ 18
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
18 ~ 36
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
Output
Voltage
VDC
3.3
5
12
15
24
28
±12
±15
3.3 / ±12
3.3 / ±15
5 / ±12
5 / ±15
3.3
5
12
15
24
28
±12
±15
3.3 / ±12
3.3 / ±15
5 / ±12
5 / ±15
3.3
5
12
15
24
28
±12
±15
3.3 / ±12
3.3 / ±15
5 / ±12
5 / ±15
Output Current
@Full Load
Min. Load
(1)
mA
0
0
0
0
144
122
±144
±112
600 / ±40
600 / ±30
600 / ±40
600 / ±30
0
0
0
0
144
122
±144
±112
600 / ±40
600 / ±30
600 / ±40
600 / ±30
0
0
0
0
144
122
±144
±112
600 / ±40
600 / ±30
600 / ±40
600 / ±30
Full Load
mA
8000
8000
3333
2666
1800
1400
±1800
±1400
6000 / ±400
6000 / ±300
6000 / ±400
6000 / ±300
8000
8000
3333
2666
1800
1400
±1800
±1400
6000 / ±400
6000 / ±300
6000 / ±400
6000 / ±300
8000
8000
3333
2666
1800
1400
±1800
±1400
6000 / ±400
6000 / ±300
6000 / ±400
6000 / ±300
Input Current
@ No Load
mA
179
232
262
320
42
50
37
45
222
237
287
287
67
82
87
92
32
32
27
27
67
67
67
77
42
44
54
57
23
23
20
20
42
42
42
47
Efficiency
%
84
84
84
85
83
83
83
83
82
82
84
84
85
87
86
87
86
86
85
85
83
83
85
85
86
88
87
87
86
86
85
85
84
84
86
86
1
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℃
TECHNICAL SPECIFICATION
All specifications are typical at nominal input, full load and 25
otherwise noted
Maximum
Capacitor Load
(2)
µF
21000
13600
2360
1510
600
375
±1200
±750
13000 / ±330
13000 / ±110
6800 / ±330
6800 / ±110
21000
13600
2360
1510
600
375
±1200
±750
13000 / ±330
13000 / ±110
6800 / ±330
6800 / ±110
21000
13600
2360
1510
600
375
±1200
±750
13000 / ±330
13000 / ±110
6800 / ±330
6800 / ±110
2014/4/30
DFEC40
PART NUMBER STRUCTURE
DFEC40 -
Series Name
48
Input
Voltage
(VDC)
12:
9.5~18
24:
18~36
48:
36~75
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
3312:
3.3 / ±12
3315:
3.3 / ±15
0512:
5 / ±12
0515:
5 / ±15
D:
Dual
T:
Triple
INPUT SPECIFICATIONS
Parameter
Operating input voltage range
Conditions
12Vin(nom)
24Vin(nom)
48Vin(nom)
12Vin(nom)
24Vin(nom)
48Vin(nom)
Nominal input and Full load
12Vin(nom)
24Vin(nom)
48Vin(nom)
12Vin(nom)
24Vin(nom)
48Vin(nom)
Power up
Remote ON/OFF
12Vin(nom)
24Vin(nom)
48Vin(nom)
Positive logic
DC-DC ON
DC-DC OFF
Input current of Ctrl pin
Remote off input current
Min.
9.5
18
36
Typ.
12
24
48
8
8
4
15
15
Max.
18
36
75
Unit
VDC
Input fuse (slow blow)
A
A
mAp-p
9.5
18
36
VDC
In-rush current
Input reflected ripple current
Start up voltage
Shutdown voltage
Start up time
Input surge voltage
Nominal input and
Constant resistive load
100ms, max.
8
16
33
100
25
36
50
100
Open or 3.5 ~ 12VDC
Short or 0 ~ 1.2VDC
-0.5
0.5
2.5
VDC
ms
VDC
Remote ON/OFF
Referred to –Vin pin
mA
mA
2
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2014/4/30
DFEC40
OUTPUT SPECIFICATIONS
Parameter
Voltage accuracy
Conditions
3.3Vout
Single / Dual
Triple: 3.3Vout, 5Vout
Triple: 12Vout, 15Vout
Single / Dual
Triple: 3.3Vout, 5Vout
Triple: 12Vout, 15Vout
3.3Vout
Single / Dual
Triple: 3.3Vout, 5Vout
Triple: 12Vout, 15Vout
Dual
Triple: 3.3Vout, 5Vout
Triple: 12Vout, 15Vout
Min.
-2.0
-1.5
-2.0
-5.0
-0.5
-1.0
-5.0
-2.0
-1.5
-2.5
-5.0
-5.0
-2.5
-5.0
Typ.
Max.
+2.0
+1.5
+2.0
+5.0
+0.5
+1.0
+5.0
+2.0
+1.5
+2.5
+5.0
+5.0
+2.5
+5.0
Unit
%
Line regulation
Low Line to High Line at Full Load
%
Load regulation
Min. Load to Full Load
Triple: Main output:
:(3.3Vout,
5Vout) 10% to
100% with 10% to 100% balanced onauxiliaries.
Auxiliary outputs 10% to 100% balanced on all
outputs.
Dual: Asymmetrical load 25%/100% FL
Triple: Main output:(3.3Vout, 5Vout) 100% load,
auxiliary 100%, other auxiliary 25% to 100%
load or main output:(3.3Vout, 5Vout) 25%,
auxiliary 25%, other auxiliary 25% to 100%.
Single output
Measured by
20MHz bandwidth
Single / Triple: Main
Single / Triple: Auxiliary
Single
Dual
%
Cross regulation
%
Voltage adjustability
Ripple and noise
28Vout
Others
3.3Vout, 5Vout
12Vout, 15Vout
24Vout, 28Vout
12Vout
15Vou
-3
-10
50
75
350
120
150
-0.02
+17
+10
%
mVp-p
25% load step change
Zener diode clamp
3.3Vout
5Vout
12Vout
15Vout
24Vout
28Vout
250
µs
Output indicator
Over load protection
Short circuit protection
% of Iout rated; Hiccup mode
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
4000
330
Chassis material
Weight
MTBF
MIL-HDBK-217F, Full load
G
pF
kHz
UL60950-1
EN60950-1
IEC60950-1
Aluminum
182g (6.40oz)
8.080 x 10
5
hrs
ENVIRONMENTAL SPECIFICATIONS
Parameter
Operating ambient temperature
Storage temperature range
Thermal shock
Vibration
Relative humidity
Conditions
Without derating
With derating
Min.
-40
+58
-40
Typ.
Max.
Unit
+58
+86
+105
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
3
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2014/4/30
℃
Temperature coefficient
Transient response recovery
time
Over voltage protection
+0.02
%/
℃
℃
DFEC40
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.
2.
The output requires a minimum loading on the output to maintain specified regulation. Operation under no-load condition will not damage these
devices, however they may not meet all listed specification.
Test by minimum input and constant resistive load.
CHARACTERISTIC CURVE
DFEC40-48S05 Derating Curve
DFEC40-48S05 Efficiency vs. Input Voltage
DFEC40-48S05 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
TRIPLE
Ctrl
-Vin
-Vin
+Vin
+Aux
Common
-Aux
+Vout
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 :
3.
MAX 2.5kgf cm (0.25N m)
4
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：
2014/4/30
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