Features
Regulated
Converter
Description
• 4:1 wide input range
• 3kVAC reinforced insulation for 110Vin
2.25kVDC basic insulation for 24Vin & 48Vin
• Efficiency up to 90%
• No minimum load required
• EN50155 certified
• IEC/EN60950-1 certified
DC/DC Converter
RP90Q-RW
90 Watt
Quarter
Brick
Single Output
The quarter-brick RP90Q 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 and IEC/EN60950 certified. The RP90Q-RW series have a
three year warranty.
Selection Guide
Input
Output Output
Voltage Range Voltage Current
[VDC]
[VDC]
[mA]
(2,3)
RP90Q-2405SRW
9-36
5
18000
(2,3)
RP90Q-2412SRW
9-36
12
7500
(2,3)
RP90Q-2415SRW
9-36
15
6000
(2,3)
RP90Q-2424SRW
9-36
24
3700
(2,3)
RP90Q-2448SRW
9-36
48
1800
(2,3)
RP90Q-4805SRW
16.5-75
5
18000
(2,3)
RP90Q-4812SRW
16.5-75
12
7500
(2,3)
RP90Q-4815SRW
16.5-75
15
6000
(2,3)
RP90Q-4824SRW
16.5-75
24
3700
(2,3)
RP90Q-4848SRW
16.5-75
48
1800
(2,3)
RP90Q-11005SRW 40-160
5
17000
(2,3)
RP90Q-11012SRW 40-160
12
7000
(2,3)
RP90Q-11015SRW 40-160
15
5500
(2,3)
RP90Q-11024SRW 40-160
24
3500
(2,3)
RP90Q-11048SRW 40-160
48
1800
Notes:
Note1:
Part Number
Input
(1)
Current
[mA]
4213
4213
4213
4157
4090
2107
2107
2083
2055
2000
868
858
843
858
882
Output
Power
[W]
90
90
90
89
86.5
90
90
90
89
86.5
85
84
82.5
84
86.5
Efficiency
(1)
Max. Capacitive
typ.
Load
[%]
[µF]
89
36000
89
6250
89
4000
89
1540
88
380
89
36000
89
6250
90
4000
90
1540
90
380
89
34000
89
5830
89
3670
89
1460
89
380
EN50155 certified
IEC/EN60950-1 certified
Efficiency is tested by nominal Vin, full load and at 25°C
Model Numbering
RP90Q-__ __SRW/_ _
Input Voltage
Output Voltage
Single
Ordering Examples
RP90Q-2405SRW/N = 24V Input, 5V Output, Single, Neg. CTRL function
RP90Q-11012SRW/P = 110V Input, 12V Output, Single, Pos. CTRL function
RP90Q-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.: 5/2018
Package
(3)
CTRL Logic
(2)
https://www.recom-power.com/pdf/
Powerline_DC-DC/RSPxxx-168.pdf
PB-1
RP90Q-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
ON/OFF Control
9VDC
16.5VDC
40VDC
24VDC
48VDC
110VDC
Series
Condition
Min.
Typ.
Max.
Pi-Type
36VDC
75VDC
160VDC
50VDC
100VDC
185VDC
Input Surge Voltage
Quiescent Current
Start-up time
Internal Operating Frequency
Minimum Load
25ma
15mA
8mA
75ms
75ms
270kHz
0%
300kHz
100ms
100ms
330kHz
Ripple and Noise
Measured by 20MHz BW
with a 22µF/25V X7R MLCC
with a 22µF/25V X7R MLCC
with a 4.7µF/50V X7R MLCC
with a 2.2µF/100V X7R MLCC
Vin = 24V
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
7.3VDC
15.5VDC
33VDC
75mVp-p
100mVp-p
200mVp-p
300mVp-p
9VDC
8.1VDC
18VDC
16.3VDC
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
3mA
-20%
+10%
10%
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
RP90Q-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
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
70
60
50
40
30
20
10
9
12
15
18
21
24
27
30
100% Load
50% Load
25% Load
33
36
Output Current [%]
continued on next page
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REV.: 5/2018
Input Voltage [V]
PB-2
RP90Q-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP90Q-2405SRW
Power Dissipation vs. Output Current
18
15
12
9
6
3
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
RP90Q-4805SRW
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
16.5Vin
24Vin
48Vin
75Vin
Efficiency vs. Input Voltage
100
90
80
Efficiency [%]
Efficiency [%]
70
60
50
40
30
20
10
16.5
24
30
36
42
48
54
60
100% Load
50% Load
25% Load
90
100
66
72
75
Output Current [%]
continued on next page
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REV.: 5/2018
Input Voltage [V]
PB-3
RP90Q-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP90Q-4805SRW
Power Dissipation vs. Output Current
18
15
Series
Typical Output Ripple and Noise/full load
Power Dissipation [W]
12
9
6
3
0
10
20
30
40
50
60
70
80
16.5Vin
24Vin
48Vin
75Vin
90
100
Output Current [%]
ON/OFF Control Start up Rise Characteristic
Power up Start-up Rise Characteristic
RP90Q-11005SRW
Efficiency vs. Output Current
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
40
50
60
70
80
Efficiency vs. Input Voltage
Efficiency [%]
40Vin
75Vin
110Vin
160Vin
10
20
30
40
50
60
70
80
90
100
Efficiency [%]
100% Load
50% Load
25% Load
90 100 110 120 130 140 150 160
Output Current [%]
continued on next page
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REV.: 5/2018
Input Voltage [V]
PB-4
RP90Q-RW
DC/DC Converter
Specifications
(measured @Ta = 25°C, resistive load, nominal Vin and rated Iout unless otherwise noted)
RP90Q-11005SRW
12
11
10
9
8
7
6
5
4
3
2
1
0
10
Series
Power Dissipation vs. Output Current
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 Rise Characteristic
OUTPUT TRIM
Output Voltage Trimming
It allows the user to increase or decrease the output voltage of the module. This is accomplished by connecting an external resistor between the Trim pin and
either the +Sense or -Sense pins. With an external resistor between the Trim and +Sense pin, the output voltage increases. With an external resistor between
the Trim and -Sense pin, the output voltage decreases. The external Trim resistor needs to be at least 1/8W of rated. The values for trim resistors shown in trim
tables below are according to standard E96 values; therefore, the specified voltage may slightly vary.
Trim up
TRIM
R
up
+Sense
TRIM
-Sense
Trim down
R
down
continued on next page
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REV.: 5/2018
PB-5
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