UFED20 SERIES
CHASSIS-MOUNT DC-DC CONVERTER
2:1 WIDE INPUT RANGE
UP TO 20 Watts
FEATURES
•
NO MINIMUM LOAD REQUIRED
•
1600VDC INPUT TO OUTPUT ISOLATION
•
APPLICATION OF CHASSIS-MOUNT DC/DC CONVERTERS
•
SCREW TERMINALS FOR INPUT AND OUTPUT CONNECTIONS
•
INTERNAL INPUT FUSE PROTECTION
•
INTERNAL OUTPUT LED INDICATOR
•
MEET EN55022 CLASS B
•
SAFETY MEETS UL60950-1, EN60950-1, & IEC60950-1
•
CE MARKED
•
COMPLIANT TO RoHS II & REACH
APPLICATIONS
•
WIRELESS NETWORK
•
TELECOM/DATACOM
•
INDUSTRY CONTROL SYSTEM
•
MEASUREMENT EQUIPMENT
•
SEMICONDUCTOR EQUIPMENT
1600VDC
ISOLATION
REMOTE
CONTROL
OCP
SCP
OVP
FUSE
INCLUDED
INRUSH
LIMIT
REVERSE
POLARITY
PROTECTION
otherwise noted
Maximum
Capacitor Load
(1)
µF
13000
6800
2200
755
±680
±450
13000
6800
2200
755
±680
±450
13000
6800
2200
755
±680
±450
Model
Number
UFED20-12S3P3
UFED20-12S05
UFED20-12S12
UFED20-12S15
UFED20-12D12
UFED20-12D15
UFED20-24S3P3
UFED20-24S05
UFED20-24S12
UFED20-24S15
UFED20-24D12
UFED20-24D15
UFED20-48S3P3
UFED20-48S05
UFED20-48S12
UFED20-48S15
UFED20-48D12
UFED20-48D15
Input Range
VDC
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
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
36 ~ 75
Output Voltage
VDC
3.3
5
12
15
±12
±15
3.3
5
12
15
±12
±15
3.3
5
12
15
±12
±15
Output Current
@Full Load
mA
5000
4000
1670
1330
±833
±667
5000
4000
1670
1330
±833
±667
5000
4000
1670
1330
±833
±667
Input Current
@ No Load
mA
117
78
96
43
51
58
31
36
58
44
33
34
16
21
37
52
22
22
Efficiency
%
84
86
85
85
85
85
85
88
86
86
86
87
86
88
87
86
87
87
PART NUMBER STRUCTURE
UFED20 -
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
12:
±12
15:
±15
-
N
Remote Control
Option
:
Positive logic
N:
Negative logic
:
EC:
DR:
ED:
EC
Assembly Option
No Assembly Option
Enclosed Mounting Type
Din Rail Mounting Type
Enclosed & Din Rail Mounting Type
D:
Dual
1
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℃
TECHNICAL SPECIFICATION
All specifications are typical at nominal input, full load and 25
2014/6/5
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
Constant resistive load
100ms, max.
Min.
9.5
18
36
Typ.
12
24
48
6
6
4
15
10
100
10
Max.
18
36
75
Unit
VDC
Input fuse (slow blow)
A
A
mAp-p
ms
VDC
In-rush current
Input reflected ripple current
Start up time
Input surge voltage
Remote ON/OFF
Referred to –Vin pin
Power up
Remote ON/OFF
12Vin(nom)
24Vin(nom)
48Vin(nom)
Positive logic
DC-DC ON
(Standard)
DC-DC OFF
DC-DC ON
Negative logic
(Option)
DC-DC OFF
Input current of Ctrl pin
Remote off input current
36
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
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
3.3Vout
Others
Dual
Single
Dual
3.3Vout,
5Vout, 12Vout, 15Vout
All
Min.
-1.5
-1.0
-0.2
-0.5
-1.5
-1.0
-5.0
-10
Typ.
Max.
+1.5
+1.0
+0.2
+0.5
+1.5
+1.0
+5.0
+10
Unit
%
%
%
%
%
mVp-p
℃
60
75
100
-0.02
+0.02
Temperature coefficient
Transient response recovery time
Over voltage protection
25% load step change
Zener diode clamp
3.3Vout
5Vout
12Vout
15Vout
Output indicator
Over load protection
Short circuit protection
% of Iout rated
250
3.9
6.2
VDC
15
18
Green LED
150
%
Continuous, automatics recovery
%/
µs
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
450
Typ.
Max.
Unit
VDC
500
Chassis material
Weight
MTBF
MIL-HDBK-217F, Full load
G
4000
pF
550
kHz
UL60950-1
EN60950-1
IEC60950-1
Aluminum
89g (3.13oz)
2.073 x 10
6
hrs
2
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2014/6/5
ENVIRONMENTAL SPECIFICATIONS
Parameter
Operating ambient temperature
Storage temperature range
Thermal shock
Vibration
Relative humidity
Conditions
Without derating
With derating
Min.
-40
+70
-40
Typ.
Max.
Unit
℃
℃
+70
+88
+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
UFED20-48S05 Derating Curve
UFED20-48S05 Efficiency vs. Input Voltage
UFED20-48S05 Efficiency vs. Output Load
3
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2014/6/5
MECHANICAL DRAWING
CHASSIS MOUNTING TYPE
PIN CONNECTION
PIN
SINGLE
1
+Vin
2
-Vin
3
Ctrl
4
NC
5
-Vout
6
+Vout
7
NC
* NC No Connection
* Screw terminals –
wire range from 14 to 18 AWG
：
DUAL
+Vin
-Vin
Ctrl
NC
-Vout
Common
+Vout
ENCLOSED MOUNTING TYPE
DIN RAIL MOUNTING TYPE
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. Hole screw locked torque :
MAX 5.0kgf cm (0.49N m)
4. Terminal screw locked torque :
MAX 2.5kgf cm (0.25N m)
－
－
－
－
4
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2014/6/5
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