Input Voltage Range ±10%
Output Voltage Accuracy ±5%
Line Voltage Regulation 1.2%/1% of Vin typ.
Load Voltage Regulation 3.3V output types 20% max.
(10% to 100% full load) 5V output type 15% max.
12V, 15V, 24V output types 10% max.
Output Ripple and Noise (20MHz limited) 50mVp-p max.
Operating Frequency 50kHz min. / 90kHz typ. / 105kHz max.
Efficiency at Full Load 65% min. / 75% typ.
No Load Power Consumption 45mW min. / 75mW typ. / 155mW max.
Maximum Capacitive Load 22µF
Isolation Voltage (tested for 1 second) 1000VDC min.
Rated Working Voltage (long term isolation) see Application Notes
Isolation Voltage H-Suffix (tested for 1 second) 2000VDC min.
Rated Working Voltage H-Suffix (long term isolation) see Application Notes
Isolation Capacitance 25pF min. / 82pF max.
Isolation Resistance 10 GΩmin.
Short Circuit Protection 1 Second
P-Suffix Continuous
Operating Temperature Range (free air convection) -40°C to +85°C (see Graph)
Storage Temperature Range -55°C to +125°C
Relative Humidity 95% RH
Package Weight RM types 1.4g
RL types 1.8g
MTBF (+25°C) using MIL-HDBK 217F 1327 x 103 hours
(+85°C) using MIL-HDBK 217F 302 x 103 hours Refer to Application Notes
0.25 Watt
SIP4
Single Output
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Features
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Selection Guide
Specifications (measured at TA = 25°C, nominal input voltage, full load and after warm-up)
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Detailed Information see
Application Notes chapter "MTBF"
Derating-Graph
(Ambient Temperature)
Output Power (%)
100
60
20
40
100500-40 85 150
Operating Temperature °C
0
80
Safe Operating Area
30
Description
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.
Part Input Output Output Efficiency
Number Voltage Voltage Current
SIP 4 (2kV) (VDC) (VDC) (mA) (%)
RM-xx3.3S (H) 3.3, 5, 12, 15, 24 3.3 76 65-70
RM-xx05S (H) 3.3, 5, 12, 15, 24 5 50 66-72
RM-xx09S (H) 3.3, 5, 12, 15, 24 9 28 70-72
RM-xx12S (H) 3.3, 5, 12, 15, 24 12 21 70-72
RM-xx15S (H) 3.3, 5, 12, 15, 24 15 17 70-76
xx = Input Voltage (other input and output voltage combinations and output powers available on request)
* add Suffix “P” for Continuous Short Circuit Protection, e.g. RM-0505S/P, RM-0505S/HP
EN-60950-1 Certified
RM
ECONOLINE
DC/DC-Converter
RM
REV: 0/2009 www.recom-electronic.com
E-2
Typical Characteristics
RM Series
ECONOLINE
DC/DC-Converter
Deviation / Load
-10.000
40%0% 100%
Deviation from Nominal (%)
60% 80%
20%
-5.000
Total Output current (%)
0505
0.000
5.000
10.000
15.000
20.000
25.000
3.305
1205
Deviation / Load
-10.000
40%0% 100%
Deviation from Nominal (%)
60% 80%
20%
-5.000
Total Output current (%)
0512
0.000
5.000
10.000
15.000
20.000
25.000
3.312
1212
Deviation / Load
-10.000
40%0% 100%
Deviation from Nominal (%)
60% 80%
20%
-5.000
Total Output current (%)
0515
0.000
5.000
10.000
15.000
20.000
25.000
1215
RM-xx05S RM-xx12S RM-xx15S
Package Style and Pinning (mm)
2.54
2.54
Top View
Bottom View 1.25
0.25
7.62
1.9
2134
4.10
0.51
0.51
10.00
RECOM
RM-0505S
****
1.00ø+0.15/0
6.00
11.50
RECOM
RM-0505S
****
3rd angle
projection
Recommended Footprint Details
4 PIN SIP Package
XX.X ± 0.5 mm
XX.XX ± 0.25 mm
RM Pin Connections
Pin # Single
1 –Vin
2 +Vin
3 –Vout
4 +Vout
Efficiency %
100
0
40%0% 100%
40
Efficiency / Load
60% 80%
20%
20
60
80
Total Output current (%)
3.305
1205
0505
Efficiency %
100
0
40%0% 100%
40
Efficiency / Load
60% 80%
20%
20
60
80
Total Output current (%)
1215
0515
REV:0/2009 E-3
www.recom-international.com
RM