Features
Regulated
Converters
Description
• Wide 4:1 Input Voltage Range
• 2.25kVDC Isolation
• Efficiency up to 89%
• Six-Sided Continuous Shield
• EN50155, UL60950 Certified
DC/DC Converter
RP20-FR
20 Watt
3
2“ x 1“
Single & Dual
Output
3Y
wa
EAR
The RP20-FR series wide range input DC/DC converters are certified to UL60950-1 and cUL 60950-1.
This makes them ideal for all telecom and industrial applications where approved safety standards are
required. The 110VDC input versions have been especially designed for railway applications.
rranty
Selection Guide
Part Number
RP20-243.3SFR
(2,3)
RP20-2405SFR
(2,3)
RP20-2412SFR
(2,3)
RP20-2415SFR
(2,3)
RP20-483.3SFR
(2,3)
RP20-4805SFR
(2,3)
RP20-4812SFR
(2,3)
RP20-4815SFR
(2,3)
RP20-1103.3SFR
(2,3)
RP20-11005SFR
(2,3)
RP20-11012SFR
(2,3)
RP20-11015SFR
(2,3)
RP20-2412DFR
(2,3)
RP20-2415DFR
(2,3)
RP20-4812DFR
(2,3)
RP20-4815FDFR
(2,3)
RP20-11012DFR
(2,3)
RP20-11015DFR
(2,3)
Input
Voltage Range
[VDC]
9-36
9-36
9-36
9-36
18-75
18-75
18-75
18-75
43-160
43-160
43-160
43-160
9-36
9-36
18-75
18-75
43-160
43-160
Output
Voltage
[VDC]
3.3
5
12
15
3.3
5
12
15
3.3
5
12
15
±12
±15
±12
±15
±12
±15
Output
Current
[mA]
4500
4000
1670
1330
4500
4000
1670
1330
4500
4000
1670
1330
±833
±667
±833
±667
±833
±667
Input
(1)
Efficiency
(1)
Current
typ.
[mA]
[%]
728
85
947
88
938
89
945
88
364
85
473
88
469
89
467
89
159
85
209
87
207
88
206
88
947
88
937
89
473
88
468
89
207
88
204
89
Max. Capacitive
Load
[µF]
7000
5000
850
700
7000
5000
850
700
7000
5000
850
700
±500
±350
±500
±350
±500
±350
E196683
Notes:
Note1: at nominal input voltage and full load
Model Numbering
RP20-__ __ _FR/_ _
Input Voltage
Output Voltage
Single
or
Dual
Ordering Examples
RP20-2405SFR/P = 24V Input, 5V Output, Positive Logic CTRL pin and Trim pin fitted
RP20-4812DFR/N-HC = 48V Input, ±12V Output, Negative Logic CTRL pin, with fitted Heat-sink
RP20-2405SFR/XC = 24V Input, 5V Output, no CTRL pin and Trim pin fitted
Notes:
Note2: standard part is with suffix “P” for positive logic (1=ON, 0=OFF)
or add suffix “N” instead for negative logic (0=ON, 1=OFF)
or add suffix “XC” instead for no CTRL pin
Note3: add suffix “-HC” for premounted Heat-sink with clamps
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REV.: 5/2017
Package
(3)
CTRL Logic
(2)
EN50155 Certified
UL60950 Certified
CSA C22.2 No.601.1 Certified
PD-1
RP20-FR
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
BASIC CHARACTERISTICS
Parameter
Input Voltage Range
Series
Condition
nom. Vin = 24V
nom. Vin = 48V
nom. Vin = 110V
Vin = 24V
DC-DC ON
DC-DC OFF
Min.
9VDC
18VDC
43VDc
Typ.
24VDC
48VDC
110VDC
8VDC
Max.
36VDC
75VDC
160VDC
9VDC
18VDC
Under Voltage Lockout (UVLO)
DC-DC ON
DC-DC OFF
DC-DC ON
Vin = 110V
DC-DC OFF
Vin = 48V
24Vin, 48Vin
110Vin
nominal Vin and full load
Vin =24V, 100 ms max.
Vin = 48V, 100 ms max.
Vin = 110V, 100 ms max.
Power up
Remote ON/OFF
297kHz
measured by 20Mhz bandwidth 3.3Vout, 5Vout
with a 1µF/50V X7R MLCC 12Vout, 15Vout
DC-DC ON
Positive Logic
DC-DC OFF
Negative Logic
DC-DC ON
DC-DC OFF
DC-DC OFF
DC-DC ON
-0.5mA
16VDC
43VDC
40VDC
Common Mode Choke
Pi-Type
30mAp-p
50VDC
100VDC
170VDC
30ms
30ms
330kHz
363kHz
75mVp-p
100mVp-p
Open or 3.0V < Vr < 15V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3.0V < Vr < 15V
2.5mA
1.0mA
Input Filter
Input Reflected Ripple Current
Input Surge Voltage
Start-up time
Operating Frequency Range
Ripple and Noise
Remote ON/OFF
(4)
Input current of Remote pin (CTRL)
Notes:
Note4: The ON/OFF control function can be positive or negative logic. The pin voltage is referenced to -Vin pin.
If no suffix is specified, the control pin will be omitted.
RP20-2405SFR
Efficiency vs. Output Current
95
90
85
95
90
Efficiency vs. Input Voltage full load
Efficiency [%]
Efficiency [%]
9Vin
24Vin
36Vin
10
20
30
40
50
60
70
80
90
100
80
75
70
65
60
55
50
85
80
75
70
65
60
9
12
15
18
21
24
27
30
33
36
Output Current [%]
continued on next page
PD-2
REV.: 5/2017
Input Voltage [VDC]
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RP20-FR
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
RP20-4805SFR
95
90
85
Series
Efficiency vs. Input Voltage full load
95
90
85
Efficiency vs. Output Current
Efficiency [%]
Efficiency [%]
18Vin
48Vin
75Vin
10
20
30
40
50
60
70
80
90
100
80
75
70
65
60
55
50
80
75
70
65
60
18
24
30
36
42
48
54
60
66
72
75
Output Current [%]
Input Voltage [VDC]
RP20-11005SFR
Efficiency vs. Output Current
95
90
85
95
90
85
Efficiency vs. Input Voltage full load
Efficiency [%]
Efficiency [%]
43Vin
110Vin
160Vin
20
30
40
50
60
70
80
90
100
80
75
70
65
60
55
50
10
80
75
70
65
60
43
52
62
72
84
96
110
125 136
143
160
Output Current [%]
Input Voltage [VDC]
REGULATIONS
Parameter
Output Accurary
Voltage Adjustability
Line Regulation
Condition
full load and nominal Vin
Single
low line to high line at Single
full load Dual
0% to 100% load
Single
Dual
Single
Dual
Value
±1%
±10%
±0.2%
±0.5%
±0.2%
±1.0%
±0.1%
±0.8%
±5%
250µs typ.
Load Regulation
10% load to 90% load
Cross Regulation
Transient Response
asymmetrical 25%<>100% load
25% load step change
continued on next page
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REV.: 5/2017
PD-3
RP20-FR
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
External Output Trimming
Output Voltage Trimming
Single output Powerline converters offer the feature of trimming the output voltage over a certain range around the nominal value by using
external trim resistors. No general equation can be given for calculating the trim resistors, but the following trimtables give typical values for
chosing these trimming resistors. If voltages between the given trim points are required, extrapolate between the two nearest given values to
work out the resistor required or use a variable resistor to set the output voltage.
Output can be externally trimmed by using the method shown below.
Series
TRIM UP
5
R
U
4
3
4
TRIM DOWN
R
D
RP20-xx3.3SFR
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
3.333
385.07
1
3.267
116.72
2
3.366
191.51
2
3.234
54.78
3
3.399
126.99
3
3.201
34.13
4
3.432
94.73
4
3.168
23.81
5
3.465
75.37
5
3.135
17.62
6
3.498
62.47
6
3.102
13.49
7
3.531
53.25
7
3.069
10.54
8
3.564
46.34
8
3.036
8.33
9
3.597
40.96
9
3.003
6.60
10
3.63
36.66
10
2.97
5.23
%
Volts
kOhms
%
Volts
kOhms
RP20-xx05SFR
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
5.05
253.45
1
4.95
248.34
2
5.10
125.70
2
4.90
120.59
3
5.15
83.18
3
4.85
78.01
4
5.20
61.83
4
4.80
56.72
5
5.25
49.05
5
4.75
43.94
6
5.30
40.53
6
4.70
35.42
7
5.35
34.45
7
4.65
29.34
8
5.4
29.89
8
4.60
24.78
9
5.45
26.34
9
4.55
21.23
10
5.50
23.50
10
4.50
18.39
%
Volts
kOhms
%
Volts
kOhms
RP20-xx12SFR
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
12.12
203.22
1
11.88
776.56
2
12.24
99.06
2
11.76
380.72
3
12.36
64.33
3
11.64
248.78
4
12.48
46.97
4
11.52
182.81
5
12.60
36.56
5
11.40
143.22
6
12.72
29.61
6
11.28
116.83
7
12.84
24.65
7
11.16
97.99
8
12.96
20.93
8
11.04
83.84
9
13.08
18.04
9
10.92
72.85
10
13.20
15.72
10
10.8
64.06
%
Volts
kOhms
%
Volts
kOhms
RP20-xx15SFR
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
PD-4
1
15.15
161.56
1
14.85
515.22
2
15.3
78.22
2
14.70
401.56
3
15.45
50.45
3
14.55
262.67
4
15.60
36.56
4
14.40
193.22
5
15.75
28.22
5
14.25
151.56
6
15.90
22.67
6
14.10
123.78
7
16.05
18.70
7
13.95
103.94
8
16.20
15.72
8
13.80
89.06
9
16.35
13.41
9
13.65
77.48
10
16.50
11.56
10
13.50
68.22
%
Volts
kOhms
%
Volts
kOhms
REV.: 5/2017
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RP20-FR
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
3.3Vout
5Vout
Zener Diode Clamp
12Vout
15Vout
% Iout rated
I/P to O/P
I/P to O/P to case
500 VDC
Notes:
Note5: This power module is not internally fused. An input line fuse must always be used.
Series
Condition
Value
continuous, automatic recovery
3.7VDC - 5.4VDC
5.6VDC - 7.0VDC
13.5VDC - 19.6VDC
16.8VDC - 20.5VDC
150% typ.
2.25kVDC/1minute
1.6kVDC/1minute
1GΩ min.
3000pF max.
Over Voltage Protection (OVP)
Over Load Protection (OLP)
Isolation Voltage
Isolation Resistance
Isolation Capacitance
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Thermal Impedance
Operating Humidity
Shock
Thermal Shock
Vibration
Fire protection on railway vehicles
MTBF
according to EN45545-2, 2013 standard
MIL-HDBK-217F
1523 x 10
3
hours
Natural convection without Heat-sink
Natual convection with Heat-sink
Condition
without derating
with derating
Value
-40°C to +79°C
-40°C to +101°C
+105°C
±0.02%/°C max.
12°C/W
10°C/W
5% - 95% RH
EN61373, MIL-STD-810F
MIL-STD-810F
EN61373, MIL-STD-810F
Derating Graph
(6)
RP20-2415SFR
100
80
60
40
20
0
-40
RP20-2415SFR-HC
100
80
60
40
20
0
-40
Output Power [%]
-20
0
20
40
60
Ambient Temperature [°C]
80
79
100 120
101
Output Power [%]
-20
0
20
40
60
Ambient Temperature [°C]
80 100 120
85 101
Notes:
Note6: Derating graphs are valid only for the shown part numbers. If you need detailed derating-information about a part-
number not shown here please contact our technical support service at techsupportAT@recom-power.com
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REV.: 5/2017
PD-5
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