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) and trim pin
add suffix “N” for CTRL function with negative logic (0=ON, 1=OFF) and trim pin
Note4: add suffix -HC for premounted Heat-sink and clips
www.recom-power.com
REV.: 3/2018
PD-1
Package
(4)
Control Logic
(3)
RP20-A
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
nom. Vin = 12V
nom. Vin = 24V
nom. Vin = 48V
Vin =12V, 100ms max.
Vin = 24V, 100ms max.
Vin = 48V, 100ms max.
Vin = 12V
Under Voltage Lockout (UVLO)
Vin = 24V
Vin = 48V
Input Reflected Ripple Current
(5)
Output Voltage Trimming
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 a 1µF M/C X7R and a 10µF T/C Single
20Mhz BW, with a 1µF M/C X7R and a 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
(6)
Series
Condition
Min.
9VDC
18VDC
36VDc
Typ.
12VDC
24VDC
48VDC
Max.
Pi-Type
18VDC
36VDC
75VDC
25VDC
50VDC
100VDC
9VDC
18VDC
Input Surge Voltage
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
8VDC
16VDC
36VDC
33VDC
30mAp-p
±10%
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
Single Output
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
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.
RP20-1205SA
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
12Vin
18Vin
90
100
95
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
85
80
75
70
65
9
10
11
12
13
14
15
16
17
18
Output Current [%]
continued on next page
PD-2
REV.: 3/2018
Input Voltage [VDC]
www.recom-power.com
RP20-A
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
RP20-2405SA
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
18Vin
24Vin
36Vin
90
100
95
Series
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
85
80
75
70
65
18
20
22
24
26
28
30
32
34
36
Output Current [%]
Input Voltage [VDC]
RP20-4805SA
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
36Vin
48Vin
75Vin
90
100
95
Efficiency vs. Input Voltage
Efficiency [%]
Efficiency [%]
85
80
75
70
65
36
40
44
48
52
56
60
64
68
72
75
Output Current [%]
Input Voltage [VDC]
External Output Trimming
Output Voltage Trimming
Some single/dual 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
4
Trim down
RD
RP20-xx3.3S
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
continued on next page
www.recom-power.com
REV.: 3/2018
PD-3
RP20-A
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
RP20-xx05S
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
Series
RP20-xx12S
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
RP20-xx15S
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% to 100% load
Load Voltage Regulation
10% load to 90% load
Cross Regulation
Transient Response
PD-4
Condition
Value
±1.0%
±0.2%
±0.5%
±0.2%
±1.0%
±0.1%
±0.8%
±5.0%
250µs
www.recom-power.com
Single
Dual
Single
Dual
recovery time
asymmetrical 25%<>100% load
25% load step change
REV.: 3/2018
RP20-A
DC/DC Converter
Specifications
(measured at Ta = 25°C, nominal input voltage, full load otherwise noted)
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
Series
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.
tested for 1 minute
1.6kVDC
1.0kVDC
1GΩ min.
1500pF max.
Over Voltage Protection (OVP)
Over Load Protection (OLP)
Isolation Voltage
Isolation Resistance
Isolation Capacitance
tested with 500VDC
Notes:
Note8: This power module is not internally fused. An input line fuse must always be used.
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