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
RP75H-RW
75 Watt
Half Brick
Single Output
The half-brick RP75H 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
baseplates 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 RP75H-RW series have a three year warranty.
Selection Guide
Input
Output Output
Voltage Range Voltage Current
[VDC]
[VDC]
[mA]
RP75H-2405SRW
9-36
5
15000
RP75H-2412SRW
9-36
12
6300
RP75H-2415SRW
9-36
15
5000
RP75H-2424SRW
9-36
24
3200
RP75H-2448SRW
9-36
48
1600
RP75H-4805SRW
18-75
5
15000
RP75H-4812SRW
18-75
12
6300
RP75H-4815SRW
18-75
15
5000
RP75H-4824SRW
18-75
24
3200
RP75H-4848SRW
18-75
48
1600
RP75H-11005SRW
43-160
5
15000
RP75H-11012SRW
43-160
12
6300
RP75H-11015SRW
43-160
15
5000
RP75H-11024SRW
43-160
24
3200
RP75H-11048SRW
43-160
48
1600
Notes:
Note1:
Part Number
Input
(1)
Current
[mA]
3551
3579
3551
3678
3678
1736
1750
1755
1818
1839
749
755
749
775
775
Output
Power
[W]
75
75
75
76
77
75
75
75
76
77
75
75
75
76
77
Efficiency
(1)
Max. Capacitive
typ.
Load
[%]
[µF]
88
30000
88
5250
88
3330
87
1330
87
330
90
30000
90
5250
89
3330
88
1330
87
330
91
30000
91
5250
91
3330
90
1330
90
330
E196683
EN50155 certified
IEC/EN60950-1 certified
UL60950-1 certified
Efficiency is tested by nominal Vin, full load and at 25°C
Model Numbering
RP75H-__ __SRW/_ _
Input Voltage
Output Voltage
Single
Ordering Examples
RP75H-2405SRW/N = 24V Input, 5V Output, Single, Neg. CTRL function
RP75H-11012SRW/P = 110V Input, 12V Output, Single, Pos. CTRL function
RP75H-11012SRW/P-HC = 110V Input, 12V Output, Single, Pos. 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)
Package
(3)
CTRL Logic
(2)
https://www.recom-power.com/pdf/
Powerline_DC-DC/RSPxxx-168.pdf
www.recom-power.com
REV.: 3/2018
PB-1
RP75H-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
Power up
Start-up time
Remote ON/OFF
Internal Operating Frequency
Minimum Load
measured by 20MHz BW
with a 4.7µF/50V X7R MLCC
with a 4.7µF/50V X7R MLCC
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%
Vin = 110V
Vin = 24V, Vin = 48V
Vin = 110V
Vin = 24V, Vin = 48V
270kHz
0%
75mVp-p
100mVp-p
200mVp-p
300mVp-p
7.5VDC
18VDC
16VDC
43VDC
36VDC
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
100mVp-p
125mVp-p
250mVp-p
350mVp-p
9VDC
9VDC
18VDC
43VDC
24VDC
48VDC
110VDC
Series
Condition
Min.
Typ.
Max.
Pi-Type
36VDC
75VDC
160VDC
50VDC
100VDC
185VDC
185mA
90mA
Input Surge Voltage
Quiescent Current
85mA
50mA
10mA
60ms
25ms
60ms
25ms
300kHz
330kHz
Ripple and Noise
RP75H-2405SRW
100
90
80
70
60
50
40
30
20
10
0
10
20
Efficiency vs. Output Current
100
90
80
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
70
60
50
40
30
20
100% Load
50% Load
25% Load
9Vin
24Vin
36Vin
30
40
50
60
70
80
90
100
10
9
12
15
18
21
24
27
30
33
36
Output Current [%]
continued on next page
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REV.: 3/2018
Input Voltage [V]
PB-2
RP75H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP75H-2405SRW
24
20
16
12
8
4
0
9Vin
24Vin
36Vin
10
20
30
40
50
60
70
80
90
100
Series
Power Dissipation vs. Output Current
Typical Output Ripple and Noise/full load
Power Dissipation [W]
Output Current [%]
ON/OFF Control Start-up Rise Characteristic
Power up Start-up Characteristic
RP75H-4805SRW
100
90
80
70
60
50
40
30
20
10
0
10
20
Efficiency vs. Output Current
100
90
80
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
70
60
50
40
30
20
100% Load
50% Load
25% Load
18Vin
24Vin
48Vin
75Vin
30
40
50
60
70
80
90
100
10
18
24
30
36
42
48
54
60
66
72
75
Output Current [%]
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continued on next page
REV.: 3/2018
Input Voltage [V]
PB-3
RP75H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP75H-4805SRW
Power Dissipation vs. Output Current
24
20
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
16
12
8
4
0
10
20
30
40
50
60
70
80
18Vin
48Vin
75Vin
90
100
Output Current [%]
ON/OFF Control Start-up Rise Characteristic
Power up Start-up Characteristic
RP75H-11005SRW
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. Output Current
100
95
90
85
80
75
70
65
60
55
50
45
40
43
50
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
100% Load
50% Load
25% Load
60
70
80
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
RP75H-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP75H-11005SRW
Power Dissipation vs. Output Current
12
11
10
9
8
7
6
5
4
3
2
1
0
10
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
43Vin
110Vin
160Vin
20
30
40
50
60
70
80
90
100
Output Current [%]
ON/OFF Control Start-up Rise Characteristic
Power up Start-up Characteristic
OUTPUT TRIM
Output Voltage Trimming
RP75H-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 DOWN
-Sense
R
2
TRIM
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REV.: 3/2018
PB-5
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