The RP15-SOF series, are SMD open frame ultraminiature power DC/DC converters in a case half the
size of industry standard 15W converters. The converters use solder ball pins to enable SMD mounting
and can be reflow soldered. Despite their small size, these converters are fully specified devices with
output currents up to 3.5 Amps, no minimum load, 2250VDC isolation and low ripple/noise figures.
The outputs are also fully protected against short circuits, overcurrent and overvoltage. The RP15-SOF
series will find many uses in telecommunications and other demanding applications where cost, board
space or board height is at a premium.
3
EAR
rranty
Selection Guide
Part Number
RP15-243.3SOF
(3)
RP15-2405SOF
(3)
RP15-2412SOF
(3)
RP15-2415SOF
(3)
RP15-483.3SOF
(3)
RP15-4805SOF
(3)
RP15-4812SOF
(3)
RP15-4815SOF
(3)
Input
Voltage Range
[VDC]
18-36
18-36
18-36
18-36
36-75
36-75
36-75
36-75
Output
Voltage
[VDC]
3.3
5
12
15
3.3
5
12
15
Output
Current
[mA]
3500
3000
1250
1000
3500
3000
1250
1000
Input
(1)
Efficiency
(1)
Current
typ.
[mA]
[%]
560
86
718
87
718
87
710
88
283
85
359
87
359
87
355
88
Max. Capacitive
Load
(2)
[µF]
10000
6000
1000
660
10000
6000
1000
660
Notes:
Note1: Values at nominal input voltage and no load/full load.
Note2: Test by minimum Vin and constant resistor load.
E196683
UL60950-1 Certified
Model Numbering
RP15-__ __ SOF/_
Input Voltage
Output Voltage
Single
Ordering Examples
RP15-2405SOF = 24 Input, 5V Output, No CTRL or trim connections
RP15-2412SOF/P = 24V Input, 12V Output, Positive logic. CTRL and trim SMD pins fitted
Control Logic
(4)
Notes:
Note3: Standard part is without suffixes and Trim and CTRL pins are not fitted.
add suffix ”P” for CTRL function with positive logic (1=ON, 0=OFF) and trim pin for single output
add suffix “N” for CTRL function with negative logic (0=ON, 1=OFF) and trim pin for single output
www.recom-power.com
REV.: 2/2016
PD-1
RP15-OF
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
BASIC CHARACTERISTICS
Parameter
Input Voltage Range
Series
Condition
nom. Vin = 24V
nom. Vin = 48V
Vin = 24V
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
Min.
18VDC
36VDC
Typ.
24VDC
48VDC
14.5VDC
Max.
36VDC
75VDC
18VDC
36VDC
Under Voltage Lockout (UVLO)
Vin = 48V
Input Filter
Input Reflected Ripple
(4)
Input Surge Voltage
Start-up time
Operating Frequency Range
Minimum Load
Optional Output Trim
Ripple and Noise
(5)
30.5VDC
Pi-Type
30mAp-p
50VDC
100VDC
30ms
30ms
243kHz
423kHz
0%
±10.0%
270kHz
470kHz
297kHz
517kHz
nominal Vin and full load
Vin = 24V, 100ms max.
Vin = 48V, 100ms max.
Power up
Remote ON/OFF
3.3V, 5V
Others
measured by 20MHz bandwidth 3.3Vout, 5Vout
with a 1µF M/C X7R and 10µF T/C 12Vout, 15Vout
Positive Logic
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
DC-DC OFF
DC-DC ON
-0.5mA
75mVp-p
100mVp-p
Open or 3.0V < Vr < 15V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3.0V < Vr < 15V
20mA
+1.0mA
Remote ON/OFF
(5)
Negative Logic
Input current of Remote pin (CTRL)
Notes:
Note4: Simulated source impedance of 12µH. 12µH inductor in series with +Vin.
Note5: If no suffix is specified, the control pin will be omitted. If fitted, the ON/OFF control function can be
positive or negative logic. The pin voltage is referenced to -Vin.
RP15-2405SOF
Efficiency vs. Output Current
95
90
85
80
75
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
18Vin
24Vin
36Vin
90
100
Efficiency vs. Input Voltage
87
86.5
86
Efficiency [%]
Efficiency [%]
85.5
85
84.5
84
83.5
83
18
20
22
24
26
28
30
32
34
36
Output Current [mA]
Total Input Voltage [%]
continued on next page
PD-2
REV.: 2/2016
www.recom-power.com
RP15-OF
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
RP15-4805SOF
Efficiency vs. Output Current
95
90
85
Series
Efficiency vs. Input Voltage
95
90
Efficiency [%]
80
75
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
36Vin
48Vin
75Vin
90
100
Efficiency [%]
85
80
75
70
65
36
40
44
48
52
56
60
66
72
75
Output Current [%]
Total Input Voltage [%]
REGULATIONS
Parameter
Output Voltage Accuracy
Voltage Adjustable
Line Voltage Regulation
Output Voltage overshoot
Load Voltage Regulation
Cross Regulation
Transient Response recovery time
0% to 100% load Single
asymmetrical 25%<>100% load
25% load step change
low line to high line at full load
Condition
Value
±1%
±10%
±0.2%
3% typ.
±0.2%
±5%
300µs typ.
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
RP15-xx3.3SOF
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
3.333
385.07
1
3.267
116.72
2
3.366
191.51
2
3.234
54.78
3
3.399
126.99
3
3.201
34.13
4
3.432
94.73
4
3.168
23.81
5
3.465
75.37
5
3.135
17.62
6
3.498
62.47
6
3.102
13.49
7
3.531
53.25
7
3.069
10.54
8
3.564
46.34
8
3.036
8.32
9
3.597
40.96
9
3.003
6.60
10
3.63
36.66
10
2.97
5.23
%
Volts
kOhms
%
Volts
kOhms
continued on next page
www.recom-power.com
REV.: 2/2016
PD-3
RP15-OF
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
RP15-xx05SOF
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
5.05
253.45
1
4.95
248.34
2
5.10
125.70
2
4.90
120.59
3
5.15
83.12
3
4.85
78.01
4
5.20
61.82
4
4.80
56.71
5
5.25
49.05
5
4.75
43.94
6
5.30
40.53
6
4.70
35.42
7
5.35
34.45
7
4.65
29.34
8
5.4
29.89
8
4.60
24.78
9
5.45
26.34
9
4.55
21.23
10
5.50
23.50
10
4.50
18.39
%
Volts
kOhms
%
Volts
kOhms
Series
RP15-xx12SOF
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
12.12
203.22
1
11.88
776.56
2
12.24
99.06
2
11.76
380.72
3
12.36
64.33
3
11.64
248.78
4
12.48
46.97
4
11.52
182.81
5
12.60
36.56
5
11.40
143.22
6
12.72
29.61
6
11.28
116.83
7
12.84
24.65
7
11.16
97.98
8
12.96
20.93
8
11.04
83.85
9
13.08
18.04
9
10.92
72.85
10
13.20
15.72
10
10.8
64.06
%
Volts
kOhms
%
Volts
kOhms
RP15-xx15SOF
Trim up
Vout =
R
U
=
Trim down
Vout =
R
D
=
1
15.15
161.56
1
14.85
818.22
2
15.3
78.22
2
14.70
401.56
3
15.45
50.45
3
14.55
262.67
4
15.60
36.56
4
14.40
193.22
5
15.75
28.22
5
14.25
151.56
6
15.90
22.67
6
14.10
123.78
7
16.05
18.70
7
13.95
103.94
8
16.20
15.72
8
13.80
89.06
9
16.35
13.41
9
13.65
77.48
10
16.50
11.56
10
13.50
68.22
%
Volts
kOhms
%
Volts
kOhms
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
Over Voltage Protection (OVP)
Over Load Protection (OLP)
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Notes:
Note6: This power module is not internally fused. An input line fuse must always be used.
PD-4
REV.: 2/2016
www.recom-power.com
Condition
3.3Vout
Zener Diode Clamp 5Vout
12Vout
15Vout
% of Iout rated, Hiccup mode
I/P to O/P
500VDC
Value
continuous, automatic recovery
3.7 - 5.4V
5.6 - 7.0V
13.5 - 19.6V
16.8 - 20.5V
150% typ.
2.25kVDC/1 minute
10MΩ min.
1000pF typ.
RP15-OF
DC/DC Converter
Specifications
measured at Ta = 25°C, nominal input voltage, full load otherwise noted
ENVIRONMENTAL
Parameter
Lead-free reflow solder process
Moisture sensitivity level (MSL)
Operating Temperature Range
Temperature Coefficient
Operating Humidity
Thermal Shock
Vibration
MTBF
MIL-HDBK-217F
Bellcore TR-NWT-000332
(7)
RP15-4805SOF
100
80
60
40
20
0
-40
Series
Condition
Value
IPC J-STD-020D
IPC J-STD-03B level 2a
without derating
with derating
-40°C to 76°C
-40°C to +105°C
±0.02%/°C max.
5% - 95%, RH
MIL-STD-810F
MIL-STD-810F
3438 x 10
3
hours
2200 x 10
3
hours
Derating Graph
(8)
Output Power [%]
-20
0
20
40
60
Ambient Temperature [°C]
120
80 100
76
105
Notes:
Note7: BELLCORE TR-NWT-000332. Case l: 50% Stress, Temperature at 40°C.
MIL-HDBK 217F Notice 2. Ta = 25°C, full load, (Ground, Benign, controlled environment).
Note8: Derating graphs are valid only for the shown part numbers. If you need detailed derating-information about a part-
number not shown here please contact our technical support service at techsupportAT@recom-power.com.
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
UL General Safety
Report / File Number
E196683
Standard
UL60950-1 1st Ed.: 2003
C22.2 No. 60950 1st. Ed.: 2003
EMC Compliance
EMI Standard
(8)
Condition
with external filter
10 V/m
±2kV
±1kV
10 Vr.m.s
Standard / Criterion
EN55022, Class A or B
EN61000-4-3, Criteria A
EN61000-4-4, Criteria B
EN61000-4-5, Criteria A
EN61000-4-6, Criteria A
Radiated Immunity
Fast Transient
(9)
Surge
(9)
Conducted Immunity
Notes:
Note8: The standard modules meet EMI Class A or Class B with external components, see filter suggestions below.
Note9: 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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