Features
ICE
Technology*
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T2 Temperature Range without Derating
120°C Maximum Case Temperature
-45°C Minimum Operating Temperature
EN 50155 Certified
EN 50121-3-2 Certified
CE Marked
24, 48 and 110VDC Input Ranges
Six Sided Shielded Enclosure
Baseplate Case Style
Efficiency to >89%
Low Quiescent Current
POWERLINE+
Railway-Converter
with 5 year Warranty
Description
The RPR40 series DC/DC converters are designed for railway rolling stock applications.
Besides covering all the input voltages from 24VDC up to 110VDC, the converters have a
very wide operating temperature range of -45°C to +120°C. The RPR40 is available has
a baseplate case for high vibration or bulkhead-mounting applications. It is EN 50155 and
EN 50121-3-2 compliant.
40 Watt
Single
&
Dual Output
Selection Guide
24V, 48V and 110V Input Types
Part Number
Nominal
Input
VDC
24
24
24
24
24
48
48
48
48
48
110
110
110
110
110
24
24
24
48
48
48
110
110
110
Nom. Input
Range
VDC
12-36
12-36
12-36
12-36
12-36
25-75
25-75
25-75
25-75
25-75
40-160
40-160
40-160
40-160
40-160
12-36
12-36
12-36
25-75
25-75
25-75
40-160
40-160
40-160
Lockout
Voltage
VDC
8
8
8
8
8
17
17
17
17
17
36
36
36
36
36
8
8
8
17
17
17
36
36
36
Output
Voltage
VDC
3.3
5
12
15
24
3.3
5
12
15
24
3.3
5
12
15
24
±12
±15
±24
±12
±15
±24
±12
±15
±24
Output
Current
mA
12100
8000
3300
2670
1670
12100
8000
3300
2670
1670
12100
8000
3300
2670
1670
±1670
±1330
±830
±1670
±1330
±830
±1670
±1330
±830
2011/65/EU
6/6
RPR40-243.3S-B
RPR40-2405S-B
RPR40-2412S-B
RPR40-2415S-B
RPR40-2424S-B
RPR40-483.3S-B
RPR40-4805S-B
RPR40-4812S-B
RPR40-4815S-B
RPR40-4824S-B
RPR40-1103.3S-B
RPR40-11005S-B
RPR40-11012S-B
RPR40-11015S-B
RPR40-11024S-B
RPR40-2412D-B
RPR40-2415D-B
RPR40-2424D-B
RPR40-4812D-B
RPR40-4815D-B
RPR40-4824D-B
RPR40-11012D-B
RPR40-11015D-B
RPR40-11024D-B
RoHS
EN-50155 Certified
EN-60950 Certified
RPR40
* ICE Technology
ICE (Innovation in Converter
Excellence) uses state-of-
the-art techniques to
minimise internal power
dissipation and to increase
the internal temperature
limits to extend the am-
bient operating temperature
range to the maximum.
Refer to Application Notes
For other CTRL logic or case styles please contact RECOM for availability.
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REV: 0/2014
RPR-21
POWERLINE+
DC/DC-Converter
Railway Input Voltage Requirements
Nominal
Input
Voltage
Input Range Min. Input
(0.1s)
16.8~30V
14.4V
33.6~60V
28.8V
50.4~90V
43.2V
67.2~120V
57.6V
77~137.5V
66V
RPR40-S_D
Series
Max Input Input Range Min. Input
(1s)
(0.1s)
33.6V
18~34V
12V
67.2V
100.8V
50~90V
36V
134.4V
154V
77~137V
55V
EN50155
NF F 01-510
24V
48V
72V
96V
110V
Max Input Input Range Min. Input
(1s)
(0.1s)
40V
12~36V
9V
25~75V
18V
115V
40~160V
36V
40~160V
36V
176V
40~160V
36V
RPR40
Max Input
(1s)
40V
80V
176V
176V
176V
Specifications
(typical at nominal input and 25°C unless otherwise noted)
Input Voltage Range (continuous)
complies with EN50155 and NFF 01-510 (Un=24V)
complies with EN50155 and NFF 01-510 (Un=48V)
complies with EN50155 and NFF 01-510 (Un=72V, 96V &110V)
Low Transient operating voltage (100ms)
High Transient operating voltage (1 second)
Allowed Input Ripple
Input Reflected Ripple
Supply Interruption (Perf. Criteria B)
Start Up Time
Remote ON/OFF
(1)
complies with EN50155 and NFF 01-510
complies with EN50155 and NFF 01-510
complies with EN50155
nominal Vin and full load
according to EN50155, 5.1.1.2
according to EN50155, 5.1.3
nominal Vin and constant resistive load
Logic High, Vin=24V, 48V
Logic High, Vin=110V
Logic Low
Nominal input
50% Load and nominal Vin
Single Output only
12-36VDC
25-75VDC
40-160VDC
Un x 0.5
Un x 1.6
15%
20mAp-p
Class S2
Class C2
2ms typ., 5ms max.
Open or 3V < Vr < 5,5V
Open or 8V < Vr < 60V
Short or 0V < Vr < 1.2V
2mA typ.
±1.5%
±10%
0%
low line, high line at full load
10% to 100% full load
Dual Outputs only
(measured with 1µF capacitor across outputs)
±0.3%
±0.5%
3% typ. / 5% max.
1% Vout typ. / 3% max.
±0.04%/°C max.
25% load step change
% of full load at nominal Vin
800µs
120% typ.
Hiccup, automatic recovery
Single Output
Dual Output
According to EN50155 12.2.9.2
According to EN50155 12.2.9.1
Converter shutdown if Vout > Vout nominal + 20%
Converter shutdown if Vout > Vout nominal + 10%
Tested at 1500VAC/1 minute
10MΩ min.
1500pF max.
260kHz ± 40kHz
(T2)
(Tx)
complies with EN50155: 4.1.2 and EN50125-1
with derating
-45°C to +85°C
-45°C to +100°C
+120°C
Internal thermistor
continued on next page
Remote OFF input current
RPR40
Output Voltage Accuracy
Voltage Adjustability
Minimum Load
Line Regulation
Load Regulation
Cross Regulation (10% <> 100% Load)
Ripple and Noise (20MHz bandwith limited)
Temperature Coefficient
Transient Response
Over Load Protection
Short Circuit Protection
Output Over Voltage Protection
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Operating Frequency
Operating Temperature Range
(Ambient Air, Free Convection)
Maximum Case Temperature
Over Temperature Protection
RPR-22
REV: 0/2014
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POWERLINE+
DC/DC-Converter
Specifications
(typical at nominal input and 25°C unless otherwise noted)
Storage Temperature Range
Relative Humidity
Case Material
(2)
Weight
Packing Quantity
Safety Standards
Thermal Performance
complies to EN50155: 12.2.3/4/5
Vibration, Shock & Bump (complies with EN61373, Category 1 Class B)
CE Marked
Cold
Dry Heat, Operating
Damp Heat,Cyclic
Vibration
Shock
Input Filter
Conducted Emissions
Radiated Emissions
ESD
Radiated Immunity
Fast Transient
Surge
Conducted Immunity
EN50121-3-2***
EN50121-3-2***
EN50121-3-2***
EN50121-3-2***
EN50121-3-2***
EN50121-3-2***
EN50121-3-2***
RPR40-S_D
Series
-55°C to +125°C
5% to 95% RH
Aluminium
43g
4pcs per Tube
certified to EN-60950-1, 1st Edition
-40°C /16 Hours
-40°C/+85°C/ 5 Cycles
+25°C/+55°C, 95%RH / 2 x 24 Hours
5-150Hz, X:0.7m/s², Y:0.45m/s², Z:1m/s², 30 mins
5g/30ms/18 shocks
Built-in Pi Filter
Class A
Class A
Perf. Criteria B
Perf. Criteria A
Perf. Criteria A
Perf. Criteria B
Perf. Criteria A
2195 x 10
3
hours
MTBF calculated according to BELLCORE TR-NWT-000332 Case l: 50% Stress, Temperature at 50°C (Ground Benign)
***with filter circuit
RPR40
Typical Control PIn Application Circuit
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REV: 0/2014
RPR-23
POWERLINE+
DC/DC-Converter
Typical Application Circuit
RPR40-S_D
Series
EN50155 / NF F 01-510 Input Filter
Table
Module
24V
48V
RPR40
Standard
EN50155
EN50155
EN50155
UR1
MOV
14D361K
MOV
14D361K
MOV
14D361K
D1
100V/6A
200V/3A
300V/3A
C1
6,8µF/50V
220nF/100V
L1
550µH±20%
550µH±20%
C2
330µF/
50VDC
330µF/
100VDC
330µF/
250VDC
C3
330µF/
50VDC
330µF/
100VDC
330µF/
250VDC
C8,C9
4,7nF/3kV
4,7nF/3kV
4,7nF/3kV
110V
470nF/250V 1200µH±20%
Notes :
1. The ON/OFF pin voltage is referenced to negative input. The pin is pulled high internally.
ON/OFF control is standard with positive logic: e.g. RPR20-2405S, RPR20-4805D-B.
Positive logic: 0= OFF, 1 = ON. The converter will be ON if the CTRL is left open.
2. To ensure a good all-round electrical contact, the baseplate is pressed firmly into place within the aluminium housing.The hydraulic
press can leave tooling marks and deformations to both the housing and baseplate. The case is anodised aluminium, so there will be
natural variations in the case colour and the aluminium is not scratch resistant. Any resultant marks, scratches and colour varations are
cosmetic only and do not affect the operation or performance of the converters.
3. The converter is supplied with a protective adhesive tape to keep the top surface clean. The tape is heat resistant and the converter can
be soldered into place without removing the tape. The tape should be removed just before final installation.
4. The RPR series are optionally available with a ribbed heatsink case style. They will then meet Tx requirements without an external heat-
sink. Please contact your RECOM supplier for more information.
RPR-24
REV: 0/2014
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POWERLINE+
DC/DC-Converter
Recommended PCB Layout
RPR40-S_D
Series
Baseplate Case- suggested PCB layout
Dual Output
Input Fuse is recommended.
Recommended fuse rating =
double maximum input current,
time delay type.
To ensure optimum thermal
performance, use large areas
of copper on the PCB to assist
with heat dissipation and
mount the converter vertically.
Single Output
Package Style and Pinning (mm)
Baseplate Case (-B Suffix)
RPR40
Pin Connections
Pin #
1
2
3
4
5
6
Single
+Vin
-Vin
+Vout
-Vout
Trim
CTRL
Dual
+Vin
-Vin
+Vout
Com
-Vout
CTRL
Pin Pitch Tolerance ±0.35 mm
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REV: 0/2014
RPR-25
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