The RP20-AW series are ultraminiature wide input voltage range power DC/DC converters in a case
half the size of industry standard 20W converters. Despite their small size, the RP20-AW converters are
fully specified devices with output currents up to 4.5 Amps, up to 90% efficiency, no minimum load,
1600VDC isolation, a built-in Class A EMC filter and low ripple/noise figures. The outputs are also fully
protected against short circuits, overcurrent and overvoltage. The no load input current is particularly
low (only 4mA/6mA). The RP20-AW series will find many uses in applications where board space and/
or board height is at a premium or in battery-powered systems where standby current is important.
3
EAR
rranty
Selection Guide
Part Number
RP20-243.3SAW
(3,4)
RP20-2405SAW
(3,4)
RP20-2412SAW
(3,4)
RP20-2415SAW
(3,4)
RP20-483.3SAW
(3,4)
RP20-4805SAW
(3,4)
RP20-4812SAW
(3,4)
RP20-4815SAW
(3,4)
RP20-2412DAW
(3,4)
RP20-2415DAW
(3,4)
RP20-4812DAW
(3,4)
RP20-4815DAW
(3,4)
Input
Voltage Range
[VDC]
9-36
9-36
9-36
9-36
18-75
18-75
18-75
18-75
9-36
9-36
18-75
18-75
Output
Voltage
[VDC]
3.3
5
12
15
3.3
5
12
15
±12
±15
±12
±15
Output
Current
[mA]
4500
4000
1670
1330
4500
4000
1670
1330
±833
±667
±833
±667
Input
(1)
Efficiency
(1)
Current
typ.
[mA]
[%]
695
89
936
89
938
89
934
89
356
87
468
89
469
89
462
90
936
89
926
90
468
89
463
90
Max. Capacitive
Load
(2)
[µF]
7000
5000
850
700
7000
5000
850
700
±500
±350
±500
±350
Notes:
Note1: Measured at nominal input voltage and full load
Note2: Measured at minimum input voltage and constant resistive load
Model Numbering
RP20-__ __ _AW/_-__
Input Voltage
Output Voltage
Single
or
Dual
Ordering Examples
RP20-2405SAW/P = 24V 4:1 Input, 5V Output, Positive Logic CTRL pin and Trim pin fitted
RP20-483.3SAW-HC = 48V 4:1 Input, 3.3V Output, Premounted Heat-sink, no Trim or CTRL pins
RP20-4812DAW/N = 48V 4:1 input, ±12V Output, negative logic with CTRL pin and Com pin fitted
Notes:
Note3: standard part is without suffix “P” or “N” = without CTRL & Trim function
Trim function is only available for single output with /P or /N suffix
add suffix “P” for CTRL function with positive logic (1=ON, 0=OFF), including trim pin
add suffix “N” for CTRL function with negative logic (0=ON, 1=OFF), including trim pin
Note4: add suffix -HC for premounted Heat-sink and clips
E196683
Package
(4)
UL60950-1 Certified
Control Logic
(3)
www.recom-power.com
REV.: 3/2018
PD-1
RP20-AW
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
BASIC CHARACTERISTICS
Parameter
Internal Input Filter
Input Voltage Range
Input Surge Voltage
nom. Vin = 24V
nom. Vin = 48V
Vin = 24V, 100ms max.
Vin = 48V, 100ms max.
Vin = 24V
Under Voltage Lockout (UVLO)
Vin = 48V
Input Reflected Ripple Current
(5)
Output Voltage Trimming
(6)
Minimum Load
Start-up time
Power up
ON/OFF CTRL
Positive Logic
ON/OFF CTRL
(7)
Negative Logic
Input Current of CTRL Pin
Standby Current
Internal Operating Frequency
Ripple and Noise
DC-DC ON
DC-DC OFF
3.3Vout, 5Vout
Others
20Mhz BW, with 1µF M/C X7R and a 10µF T/C Single
20Mhz BW; with 1µF M/C X7R and 10µF T/C for each output Dual
248kHz
297kHz
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
-0.5mA
2mA
275kHz
330kHz
75mVp-p
100mVp-p
303kHz
363kHz
Single Output
0%
30ms
30ms
Open or 3.0V < Vr < 15V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3.0V < Vr < 15V
1.0mA
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
8VDC
18VDC
16VDC
30mAp-p
±10.0%
9VDC
18VDC
24VDC
48VDC
Series
Condition
Min.
Typ.
Max.
Pi-Type
36VDC
75VDC
50VDC
100VDC
9VDC
Notes:
Note5: Simulated source impedance of 12µH. 12µH inductor in series with +Vin
Note6: Trimming allows the user to increase or decrease the output voltage set point of the module. This is accomplished by connecting
an external resistor between the Trim pin and either +Vout pin or -Vout pin. Please refer to next page
Note7: The ON/OFF control function can be positive or negative logic. The pin voltage is referenced to -Vin pin. If no suffix is specified,
the control pin will be omitted
RP20-2405SAW
Efficiency vs. Output Current
95
90
85
90
80
75
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
9Vin
24Vin
36Vin
90
100
95
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
85
80
75
70
65
9
12
15
18
21
24
27
30
33
36
Output Current [%]
continued on next page
PD-2
REV.: 3/2018
Input Voltage [VDC]
www.recom-power.com
RP20-AW
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
RP20-4805SAW
Efficiency vs. Output Current
95
90
85
80
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
36Vin
48Vin
75Vin
90
100
95
90
Series
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
75
85
80
75
70
65
18
24
30
36
42
48
54
60
66
72
75
Output Current [%]
Input Voltage [VDC]
External Output Trimming
Output Voltage Trimming
Single output Powerline converters offer the feature of trimming the output voltage over a certain range around the nominal value by using external
trim resistors. No general equation can be given for calculating the trim resistors, but the following trimtables give typical values for chosing these
trimming resistors. If voltages between the given trim points are required, extrapolate between the two nearest given values to work out the resistor
required or use a variable resistor to set the output voltage. Output can be externally trimmed by using the method shown below.
Trim up
6
RU
5
4
5
Trim down
RD
RP20-xx3.3SAW
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
3.333
385.071
1
3.267
116.719
2
3.366
191.511
2
3.234
54.779
3
3.399
126.990
3
3.201
34.133
4
3.432
94.730
4
3.168
23.810
5
3.465
75.374
5
3.135
17.616
6
3.498
62.470
6
3.102
13.486
7
3.531
53.253
7
3.069
10.537
8
3.564
46.340
8
3.036
8.325
9
3.597
40.963
9
3.003
6.604
10
3.63
36.662
10
2.97
5.228
%
Volts
kOhms
%
Volts
kOhms
RP20-xx05SAW
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
5.05
253.450
1
4.95
248.340
2
5.10
125.700
2
4.90
120.590
3
5.15
83.117
3
4.85
78.007
4
5.20
61.825
4
4.80
56.715
5
5.25
49.050
5
4.75
43.940
6
5.30
40.533
6
4.70
35.423
7
5.35
34.450
7
4.65
29.340
8
5.4
29.888
8
4.60
24.778
9
5.45
26.339
9
4.55
21.229
10
5.50
23.500
10
4.50
18.390
%
Volts
kOhms
%
Volts
kOhms
continued on next page
www.recom-power.com
REV.: 3/2018
PD-3
RP20-AW
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
RP20-xx12SAW
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
12.12
203.223
1
11.88
776.557
2
12.24
99.057
2
11.76
308.723
3
12.36
64.334
3
11.64
248.779
4
12.48
46.973
4
11.52
182.807
5
12.60
36.557
5
11.40
143.223
6
12.72
29.612
6
11.28
116.834
7
12.84
24.652
7
11.16
97.985
8
12.96
20.932
8
11.04
83.848
9
13.08
18.038
9
10.92
72.853
10
13.20
15.723
10
10.8
64.057
%
Volts
kOhms
%
Volts
kOhms
Series
RP20-xx15SAW
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
15.15
161.557
1
14.85
818.223
2
15.3
78.223
2
14.70
401.557
3
15.45
50.446
3
14.55
262.668
4
15.60
36.557
4
14.40
193.223
5
15.75
28.223
5
14.25
151.557
6
15.90
22.668
6
14.10
123.779
7
16.05
18.700
7
13.95
103.938
8
16.20
15.723
8
13.80
89.057
9
16.35
13.409
9
13.65
77.483
10
16.50
11.557
10
13.50
68.223
%
Volts
kOhms
%
Volts
kOhms
REGULATIONS
Parameter
Output Voltage Accuracy
Line Voltage Regulation
Single
Dual
0% load to 100% load
Load Voltage Regulation
10% load to 100% load
Cross Regulation
Transient Response
Single
Dual
Single
Dual
recovery time
Condition
Value
±1.0%
±0.2%
±0.5%
±0.2%
±1.0%
±0.1%
±0.8%
±5.0%
250µs typ.
asymmetrical 25%<>100% load
25% load step change
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
3.3Vout
5Vout
Zener Diode Clamp
12Vout
15Vout
I/P to O/P
I/P (O/P) to case
tested with 500VDC
Condition
Value
continuous, automatic recovery
3.7 - 5.4VDC
5.6 - 7.0VDC
13.5 - 19.6VDC
16.8 - 20.5VDC
Hiccup mode, 150% of rated Iout typ.
1.6kVDC
1.0kVDC
1GΩ min
1500pF max.
Over Voltage Protection (OVP)
Over Load Protection (OLP)
Isolation Voltage
Isolation Resistance
Isolation Capacitance
tested for 1 minute
Notes:
Note8: This power module is not internally fused. An input line fuse must always be used. Recom suggests:
24Vin= T4A; 48Vin= T2A slow blow types
PD-4
REV.: 3/2018
www.recom-power.com
RP20-AW
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Thermal Impedance
Operating Humidity
Thermal Shock
Vibration
MTBF
according to MIL-HDBK-217F, G.B.
Bellcore TR-NWT-000332
(9)
RP20-4815SAW
100
80
60
40
20
10
0
-40
-20
0
20
40
60
80 100 120
68
94 101
100
80
60
40
20
10
0
-40
-20
0
20
40
60
80
101 120
97
Series
Condition
without derating
with derating
Value
-40°C to +68°C
-40°C to +101°C
+105°C
±0.02%/°C max.
without Heat-sink
with Heat-sink
17.6°C/Watt
14.8°C/Watt
5% - 95% RH
according to MIL-STD-810F
according to MIL-STD-810F
+25°C
1469 x 10
3
hours
1766 x 10
3
hours
natural convection 0.1m/s (20LFM)
Derating Graph
(10)
RP20-4815SAW with Heat-sink
Output Power [%]
Output Power [%]
Ambient Temperature [°C]
Ambient Temperature [°C]
73
Notes:
Note9: BELLCORE TR-NWT-000332. Case l: 50% Stress, Ta= 40°C. MIL-HDBK 217F Notice 2. Ta= 25°C, full load, (controlled environment)
Note10: Derating graphs are valid only for the shown part numbers. If you need detailed derating-information about a partpnumber not shown here please
contact our technical support service at techsupportAT@recom-power.com.
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Information Technology Equipment, General Requirements for Safety
Condition
E196683
Standard
UL60950-1 1st Ed.: 2003
C22.2 No. 60950 1st. Ed.: 2003
EMC Compliance
Information technology equipment - Radio disturbance characteristics -
Limits and methods of measurement
ESD Electrostatic discharge immunity test
Radiated, radio-frequency, electromagnetic field immunity test
Fast Transient and Burst Immunity
(11)
Surge Immunity
(11)
Immunity to conducted disturbances, induced by radio-frequency fields
Condition
with external filter
Air ±8kV and Contact ±6kV
10 V/m
±2kV
±2kV
10 Vr.m.s
Standard / Criterion
EN55022, Class A or B
EN61000-4-2, Criteria A
EN61000-4-3, Criteria A
EN61000-4-4, Criteria A
EN61000-4-5, Criteria A
EN61000-4-6, Criteria A
Notes:
Note11: An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor Recom
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