Features
ICE
Technology*
G
G
G
G
G
G
G
G
G
G
G
G
Tx Temperature Range without Derating
120°C Maximum Case Temperature
-45°C Minimum Operating Temperature
EN 50155 Compliant
EN 50121-3-2 Compliant
CE Marked
24, 48 and 110VDC Input Ranges
Six Sided Shielded Enclosure
Flat, Ribbed or Baseplate Case Styles
Efficiency to >89%
Isolated and Fully Protected Outputs
Low Quiescent Current
POWERLINE+
Railway-Converter
with 3 year Warranty
Description
The RPR20 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 +85°C without derating. Although the
case size is very compact, the converter contains a built-in EMI filter, so no active external
filter components are required. The RPR20 is available in three case styles: a low profile flat
top case, a ribbed case with a built-in heatsink and the baseplate case for high vibration or
bulkhead mounting applications. They are EN 50155 and EN 50121-3-2 compliant.
20 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
12-36V
12-36V
12-36V
12-36V
12-36V
25-75
25-75
25-75
25-75
25-75
40-160
40-160
40-160
40-160
40-160
12-36V
12-36V
12-36V
25-75
25-75
25-75
40-160
40-160
40-160
Lockout
Voltage
VDC
8.5V
8.5V
8.5V
8.5V
8.5V
17.5
17.5
17.5
17.5
17.5
36
36
36
36
36
8.5V
8.5V
8.5V
17.5
17.5
17.5
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
6000
4000
1666
1333
830
6000
4000
1666
1333
830
6000
4000
1666
1333
830
±833
±666
±416
±833
±666
±416
±833
±666
±416
2002/95/EC
6/6
RPR20-243.3S**
RPR20-2405S**
RPR20-2412S**
RPR20-2415S**
RPR20-2424S**
RPR20-483.3S**
RPR20-4805S**
RPR20-4812S**
RPR20-4815S**
RPR20-4824S**
RPR20-1103.3S**
RPR20-11005S**
RPR20-11012S**
RPR20-11015S**
RPR20-11024S**
RPR20-2412D**
RPR20-2415D**
RPR20-2424D**
RPR20-4812D**
RPR20-4815D**
RPR20-4824D**
RPR20-11012D**
RPR20-11015D**
RPR20-11024D**
RoHS
EN-50155 Certified
EN-60950-1 Certified
RPR20
* 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
** add suffix “-F“ for low profile Flat case or “-B“ for Baseplate case and no suffix is the Ribbed case.
add “1“ before suffix for neg. CTRL logic e.g. -1, -1B, -1F, etc.
www.recom-international.com
REV:2/2012
RPR-1
POWERLINE+
DC/DC-Converter
Nominal
Input
Voltage
RPR20-S_D
Series
NF F 01-510
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
Railway Input Voltage Requirements
EN50155
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
RPR20
Max Input
(1s)
40V
80V
176V
176V
176V
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
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)
Remote OFF input current
Output Voltage Accuracy
Voltage Adjustability
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
Logic Low
Nominal input
50% Load and nominal Vin
Single Output only
low line, high line at full load
10% to 100% full load
Dual Outputs only
(measured with 1µF capacitor across outputs)
25% load step change
% of full load at nominal Vin
Single Output
Dual Output
According to EN50155 12.2.9.2
According to EN50155 12.2.9.1
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 3.0V < Vr < 5.5V
Short or 0V < Vr < 1.2V
2mA typ.
±1.5%
±10%
0%
±0.3%
±0.5%
3% typ. / 5% max.
1% Vout typ. / 3% max.
±0.04%/°C max.
800µs
120% typ.
Current limit, automatic recovery
Converter shutdown if Vout > Vout nominal + 20%
Converter shutdown if Vout > Vout nominal + 10%
1500VAC/1 minute
10MW min.
1500pF max.
260kHz ± 40kHz
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
-55°C to +125°C
5% to 95% RH
Aluminium
continued on next page
RPR-2
REV: 2/2012
www.recom-electronic.com
RPR20
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 (Tx)
(Ambient Air, Free Convection)
Maximum Case Temperature
Over Temperature Protection
Storage Temperature Range
Relative Humidity
Case Material
(2)
POWERLINE+
DC/DC-Converter
Potting Material
Weight
RPR20-S_D
Series
Flat Case
Ribbed Case
Baseplate Case
Flat, Ribbed Case
Baseplate Case
CE Marked
Cold
Dry Heat, Operating
Damp Heat,Cyclic
Vibration
Shock
EN50121-3-2
EN50121-3-2
EN50121-3-2
EN50121-3-2
EN50121-3-2
EN50121-3-2
EN50121-3-2
Silicone (UL94-V0)
22g
26g
43g
4 pcs per Tube
Single packed
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
Specifications
(typical at nominal input and 25°C unless otherwise noted)
Packing Quantity
Safety Standards
Thermal Performance
complies to EN50155: 12.2.3/4/5
Vibration, Shock & Bump (complies with EN61373, Category 1 Class B)
Input Filter
Conducted Emissions
Radiated Emissions
ESD
Radiated Immunity
Fast Transient
Surge
Conducted Immunity
MTBF calculated according to BELLCORE TR-NWT-000332 Case l: 50% Stress, Temperature at 50°C (Ground Benign)
Recommended PCB Layout
Ribbed and Flat Case
Single Output
Dual Output
RPR20
Baseplate Case- suggested PCB layout
Single Output
Dual Output
Input Fuse is recommended,
but optional. 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.
www.recom-international.com
REV: 2/2012
RPR-3
POWERLINE+
DC/DC-Converter
Typical Application Circuit
RPR20-S_D
Series
C8
L1
EN50155 / NF F 01-510 Input Filter
D1
Vin+
UR1
C1
C2
DUT
Load
Vin-
C9
Table
Module
24V
48V
RPR20
Standard
EN55011 Class A
EN55011 Class A
EN55011 Class A
UR1
MOV
14D361K
MOV
14D361K
MOV
14D361K
D1
100V/3A
100V/3A
100V/3A
C1
685pF/50V
225pF/100V
L1
550µH±20%
550µH±20%
C2
C8,C9
680uF/250V 472pF/3kV
680uF/250V 472pF/3kV
110V
474pF/250V 1200µH±20% 680uF/250V 472pF/3kV
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.
Add “1” before the suffix for negative logic: e.g. RPR20-2405S-1, RPR20-11005D-1B.
Positive logic: 0= OFF, 1 = ON. The converter will be ON if the CTRL is left open.
Negative logic: 1 = OFF, 0 = ON. The converter will be OFF 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.
RPR-4
REV: 2/2012
www.recom-electronic.com
POWERLINE+
DC/DC-Converter
Package Style and Pinning (mm)
RPR20-S_D
Series
Ribbed Case (No suffix)
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
RPR20
Flat Case (-F suffix)
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
www.recom-international.com
REV: 2/2012
RPR-5
京公网安备 11010802033920号
EEWORLD
