Features
Regulated
Converter
Description
• 4:1 wide input range
• 3kVAC reinforced insulation for 110Vin
2.25kVDC basic insulation for 24Vin & 48Vin
• Efficiency up to 91%
• No minimum load required
• UL60950-1, EN50155 & IEC/EN60950-1 certified
DC/DC Converter
RP240H-RW
240 Watt
Half Brick
Single Output
The half-brick RP240H series DC/DC converters are designed for railway rolling stock and high voltage battery
applications. Each series has three 4:1 input voltage range options to cover all input voltages from 9VDC up to
160VDC with isolated and regulated 5V to 48VDC outputs. The converters have high efficiencies and metal base-
plates to permit a wide operating temperature range from -40°C to +85°C (when mounted on a suitable heatsink).
The case is fitted with threaded inserts to allow secure mounting to the PCB or bulkhead for use in high shock
and vibration environments. The converters are EN50155, UL60950 and IEC/EN60950 certified. The RP240H-RW
series have a three year warranty.
Selection Guide
Input
Output
Voltage Range Voltage
[VDC]
[VDC]
RP240H-2405SRW
9-36
5
RP240H-2412SRW
9-36
12
RP240H-2415SRW
9-36
15
RP240H-2424SRW
9-36
24
RP240H-2448SRW
9-36
48
RP240H-4805SRW
16.5-75
5
RP240H-4812SRW
16.5-75
12
RP240H-4815SRW
16.5-75
15
RP240H-4824SRW
16.5-75
24
RP240H-4848SRW
16.5-75
48
RP240H-11005SRW 43-160
5
RP240H-11012SRW 43-160
12
RP240H-11015SRW 43-160
15
RP240H-11024SRW 43-160
24
RP240H-11048SRW 43-160
48
Notes:
Note1:
Part Number
Output
Current
[mA]
36000
15000
12000
7500
3700
40000
18000
14000
9000
4500
44000
20000
16000
10000
5000
Input
(1)
Current
[mA]
8333
8427
8333
8333
8314
4578
5000
4807
5000
5000
2247
2451
2424
2451
2451
Output
Power
[W]
180
180
180
180
177.5
200
216
210
216
216
220
240
240
240
240
Efficiency
(1)
Max. Capacitive
typ.
Load
[%]
[µF]
90
72000
89
12500
90
8000
90
3100
89
770
91
80000
90
15000
91
9000
90
3700
90
930
89
88000
89
16600
90
10600
89
4100
89
1000
E196683
EN50155 certified
IEC/EN60950-1 certified
UL60950-1 certified
Efficiency is tested by nominal Vin, full load and at 25°C
Model Numbering
RP240H-__ __SRW/_ _
Input Voltage
Output Voltage
Single
Ordering Examples
RP240H-2405SRW/N = 24V Input, 5V Output, Single, Neg. CTRL function
RP240H-11012SRW/P = 110V Input, 12V Output, Single, Pos. CTRL function
RP240H-2405SRW/N-HC = 24V Input, 5V Output, Single, Neg. CTRL function with premounted Heat-sink
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)
Note3: add suffix “-HC” for premounted Heat-sink
(compatible with all other suffixes)
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REV.: 3/2018
Package
(3)
CTRL Logic
(2)
https://www.recom-power.com/pdf/
Powerline_DC-DC/RSPxxx-168.pdf
PB-1
RP240H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
BASIC CHARACTERISTICS
Parameter
Internal Input Filter
Input Voltage Range
nom Vin = 24V
nom Vin = 48V
nom Vin = 110V
Vin = 24V, 1s max.
Vin = 48V, 1s max.
Vin = 110V, 1s max.
Vin = 24V
Vin = 48V
Vin = 110V
constant resistive load
Power up
Remote ON/OF
225kHz
0%
Measured by 20MHz BW
with a 1µF/25V X7R MLCC & a 22µF/25V POS Cap
with a 1µF/25V X7R MLCC & a 22µF/25V POS Cap
with a 4.7µF/50V X7R MLCC
with a 2.2µF/100V X7R MLCC
Vin = 24V
Under Voltage Lockout (UVLO)
Vin = 48V
Vin = 110V
Positive Logic
ON/OFF Control
Negative Logic
Input Current of CTRL pin
Standby Current
Output Trim
Remote Sense
% of set Vout
-20%
5 Vout
12, 15Vout
24Vout
48Vout
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
-0.5mA
3mA
+10%
10%
7.3VDC
15.5VDC
33.0VDC
75mVp-p
100mVp-p
200mVp-p
300mVp-p
9VDC
8.1VDC
18VDC
16.3VDC
43VDC
36.0VDC
Open or 3.0V < Vr < 12V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3.0V < Vr < 12V
1mA
9VDC
16.5VDC
43VDC
24VDC
48VDC
110VDC
Series
Condition
Min.
Typ.
Max.
Pi-Type
36VDC
75VDC
160VDC
50VDC
100VDC
185VDC
45mA
25mA
15mA
Input Surge Voltage
Quiescent Current
Start-up time
Internal Operating Frequency
Minimum Load
30mA
20mA
10mA
75ms
75ms
250kHz
275kHz
Ripple and Noise
RP240H-2405SRW
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
9Vin
24Vin
36Vin
90
100
100
90
80
70
60
50
40
30
20
10
0
9
12
15
18
21
24
27
30
33
36
100% Load
50% Load
25% Load
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
Output Current [%]
continued on next page
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REV.: 3/2018
Input Voltage [V]
PB-2
RP240H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP240H-2405SRW
Power Dissipation vs. Output Current
36
30
24
18
12
6
0
9Vin
24Vin
36Vin
10
20
30
40
50
60
70
80
90
100
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
Output Current [%]
ON/OFF Control Start up Rise Characteristic
Power up Start-up Rise Characteristic
RP240H-4805SRW
100
90
80
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
16.5Vin
48Vin
75Vin
90
100
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
16.5
24
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
100% Load
50% Load
25% Load
30
36
42
48
54
60
66
72
75
Output Current [%]
continued on next page
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REV.: 3/2018
Input Voltage [V]
PB-3
RP240H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP240H-4805SRW
Power Dissipation vs. Output Current
36
30
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
24
18
12
6
0
16.5Vin
48Vin
75Vin
10
20
30
40
50
60
70
80
90
100
Output Current [%]
ON/OFF Control Start up Rise Characteristic
Power up Start-up Rise Characteristic
RP240H-11005SRW
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
43Vin
110Vin
160Vin
90
100
Efficiency vs. Input Voltage
100
90
80
70
60
50
40
30
20
10
0
43
50
60
70
80
100% Load
50% Load
25% Load
Efficiency [%]
Efficiency [%]
90 100 110 120 130 140 150 160
Output Current [%]
continued on next page
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REV.: 3/2018
Input Voltage [V]
PB-4
RP240H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP240H-11005SRW
Power Dissipation vs. Output Current
36
30
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
24
18
12
6
0
43Vin
110Vin
160Vin
10
20
30
40
50
60
70
80
90
100
Output Current [%]
ON/OFF Control Start up Rise Characteristic
Power up Start-up Rise Characteristic
OUTPUT TRIM
Output Voltage Trimming
RP240H-RW converters offer the feature of trimming the output voltage over a certain range around the nominal value by using external trim
resistors. The values for trim resistors shown in trim tables below are according to standard E96 values; therefore, the specified voltage may
slightly vary; they also can be calculated with below shown equation.
TRIM UP
TRIM
R
1
+Sense
TRIM
-Sense
TRIM DOWN
R
2
continued on next page
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REV.: 3/2018
PB-5
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