Features
Unregulated
Converters
Description
•
•
•
•
•
•
•
•
Single output rail
Industry standard pinout
1kVDC or 2kVDC/1s basic isolation
High efficiency for low power applications
UL94V-0 package material
Optional continuous short circuit protection
Fully encapsulated
Efficiency up to 76%
DC/DC Converter
RM
0.25 Watt
SIP4
Single Output
The RM series DC/DC converter has been designed for isolating or converting DC power rails with very
light loads. Efficiencies are typically 10% higher than a comparable 0.5W or 1W converters run at the
same low load.
Selection Guide
Part
Number
RM-xx3.3S
(3,4)
RM-xx05S
(3,4)
RM-xx09S
(3,4)
RM-xx12S
(3,4)
RM-xx15S
(3,4)
nom. Input
Voltage
[VDC]
3.3, 5, 12, 15, 24
3.3, 5, 12, 15, 24
3.3, 5, 12, 15, 24
3.3, 5, 12, 15, 24
3.3, 5, 12, 15, 24
Output
Voltage
[VDC]
3.3
5
9
12
15
Output
Current
[mA]
75
50
28
21
17
Efficiency
typ.
(1)
[%]
62-70
66-72
70-72
70-72
70-76
max. Capacitive
Load
(2)
[µF]
1000
470
470
150
150
Notes:
Note1: Efficiency is tested at nominal input and full load at +25°C ambient
Note2: Max Cap Load is tested at nominal input and full resistive load and is defined as the
capacitive load that will allow start up in under 1s without damage to the converter
E358085
Model Numbering
RM- __ __S/_
Input Voltage
Output Voltage
Protection
Single
Notes:
Note3: standard part is without continuous short circuit protection
add suffix „/P“ for continuous short circuit protection
Note4: add suffix „/H“ for 2kVDC isolation
or add suffix „/HP“ for continuous short circuit protection and 2kVDC isolation
Ordering Examples:
RM-1205S/P: 12V Input Voltage, 5V Output Voltage, Single Output with continuous short circuit protection
RM-0505S/HP: 5V Input Voltage, 5V Output Voltage, Single Output with 2kVDC Isolation and continuous short circuit protection
(3)
Isolation Option
(4)
UL60950-1 certified
CAN/CSA-C22.2 No. 60950-1-03 certified
IEC60950-1 certified
EN60950-1 certified
EN55032 compliant
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REV.: 1/2018
ECO-1
RM
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm up unless otherwise stated)
BASIC CHARACTERISTICS
Parameter
Input Voltage Range
Minimum Load
(5)
Internal Operating Frequency
Output Ripple and Noise
20MHz BW
Notes:
Note5: Operation below 10% load will not harm the converter, but specifications may not be met
0%
50kHz
90kHz
105kHz
50mVp-p
Series
Condition
Min.
Typ.
±10%
Max.
Efficiency vs. Load
RM-xx05S
100
90
80
100
90
80
RM-xx12S
Efficiency [%]
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
3.305
0505
1205
90
100
Efficiency [%]
70
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
3.312
0512
1212
90
100
Output Load [%]
Output Load [%]
RM-xx15S
100
90
80
Efficiency [%]
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0515
1215
90
100
Output Load [%]
www.recom-power.com
REV.: 1/2018
ECO-2
RM
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm up unless otherwise stated)
REGULATIONS
Parameter
Output Accuracy
Line Regulation
Load Regulation
low line to high line
10% to 100% load
3.3Vout
5Vout
12, 15, 24Vout
Series
Condition
Value
±5.0% max.
±1.2% of 1.0% Vin typ.
20.0% max.
15.0% max.
10.0% max.
Deviation vs. Load
25
20
15
RM-xx05S
3.305
0505
1205
25
20
15
RM-xx12S
3.312
0512
1212
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
Output Load [%]
RM-xx15S
25
20
15
0515
1215
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
Type
without suffix
with suffix “/P”
without suffix
I/P to O/P
tested for 1 second
rated for 1 minute
tested for 1 second
rated for 1 minute
Value
1 second
continuous
1kVDC
500VAC/60Hz
2kVDC
1.4kVAC/60Hz
10GΩ min.
25pF min. / 82pF max.
basic
Isolation Voltage
(6)
Isolation Resistance
Isolation Capacitance
Insulation Grade
with suffix
“/H”
Notes:
Note6: For repeat Hi-Pot testing, reduce the time and/or the test voltage
Note7: Refer to local wiring regulations if input over-current protection is also required. Recommended fuse: T0.5A slow blow type
www.recom-power.com
REV.: 1/2018
ECO-3
RM
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm up unless otherwise stated)
ENVIRONMENTAL
Parameter
Operating Temperature Range
Operating Altitude
Operating Humidity
Pollution Degree
MTBF
according to MIL-HDBK-217F, G.B.
100
90
80
Series
Condition
full load @ free air convection (see graph)
non-condensing
+25°C
+85°C
Value
-40°C to +85°C
2000m
95% RH max.
PD2
1327 x 10
3
hours
302 x 10
3
hours
Derating Graph
(@ free air convection)
Output Load [%]
70
60
50
40
30
20
10
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110
85
Ambient Temperature [°C]
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Information Technology Equipment, General Requirements for Safety
Information Technology Equipment, General Requirements for Safety
EAC
RoHs 2+
Report / File Number
1602031
E358085-A4-UL
RU-AT.49.09571
Standard
IEC60950-1:2005, 2nd Edition + A2:2013
EN60950-1:2006 + A2:2013
UL60950-1, 2nd Edition:2007
CAN/CSA C22.2 No. 60950-1-03, 2nd Edition:2007
TP TC 004/2011
RoHS-2011/65/EU + AM-2015/863
EMC Compliance
Information technology equipment - Radio disturbance
characteristics - Limits and methods of measurement
Condition
with external filter
Standard / Criterion
EN55032, Class B
EMC Filtering Suggestions according to EN55032
C3
L1
+V
IN
C1
C2
+V
OUT
-V
IN
C4
-V
OUT
continued on next page
www.recom-power.com
REV.: 1/2018
ECO-4
RM
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm up unless otherwise stated)
Component List Class A
Model
3.3, 5Vin
12, 15, 24Vin
Series
Component List Class B
C4 (safety)
-
2.2nF, 5KV, Johanson
C1
10µF
100V, MLCC
C2
N/A
Model
all types
L1
C1
C3 (safety) C4(safety)
22µH choke
10µF
1nF
2.2nF
RP4532Z-220K MLCC, 100V 5KV, Johanson 5KV, Johanson
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter
Material
Dimension (LxWxH)
Weight
Type
case
potting
PCB
Value
non-conductive black plastic (UL94 V-0)
epoxy, (UL94 V-0)
FR4, (UL94 V-0)
11.5 x 6.0 x 10.0mm
1.4g typ.
Dimension Drawing (mm)
embossed logo
11.5
6.0
Pinning information
10.0
Marking
4.10
0.51
+0.10/-0.05
1.90
0.25
±0.05
Recommended Footprint Details
2.54
2.54
Pin #
1
2
3
4
Tolerance:
xx.x= ±0.5mm
xx.xx= ±0.25mm
Single
-Vin
+Vin
-Vout
+Vout
0.51
7.62
Bottom View
PACKAGING INFORMATION
Parameter
Packaging Dimension (LxWxH)
Packaging Quantity
Storage Temperature Range
Storage Humidity
1.25
1 2 3 4
1 2 3 4
Top View
Type
tube
tube
Value
520.0 x 16.0 x 9.0mm
42pcs
-55°C to + 125°C
95% RH max.
The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The
products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause
loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized
use of RECOM products in such safety-critical applications.
www.recom-power.com
REV.: 1/2018
ECO-5
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