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Features
Unregulated Converters

Micro Size SIP4 Package 3kVDC Isolation Industry Standard Pinout UL94V-0 Package Material Optional Continuous Short Circuit Protected Cost Effective Efficiency to 85%
ECONOLINE
DC/DC-Converter
ROM Series
1 Watt SIP4 Micro Size Single Output
Selection Guide
Part Number SIP4 Micro Size Pack. ROM-xx1.8S ROM-xx3.3S ROM-xx05S ROM-xx09S ROM-xx12S ROM-xx15S Input Voltage (VDC) 1.8, 3.3, 5, 9, 12, 15, 24 1.8, 3.3, 5, 9, 12, 15, 24 1.8, 3.3, 5, 9, 12, 15, 24 1.8, 3.3, 5, 9, 12, 15, 24 1.8, 3.3, 5, 9, 12, 15, 24 1.8, 3.3, 5, 9, 12, 15, 24 Output Voltage (VDC) 1.8 3.3 5 9 12 15 Output Current (mA) 550 303 200 111 83 66 Efficiency (%)) 70 75 70-78 70-78 78-82 80-84 74-85
ROM-xx24S 1.8, 3.3, 5, 9, 12, 15, 24 24 41 xx = Input Voltage * add Suffix "P" for Continuous Short Circuit Protection, e.g. ROM-051.8S/P
Description
The ROM Micro Size DC/DC converter has been designed for isolating or converting DC power rails respectively. It provides a small micro-size package, high efficiency, low output ripple, high 3kVDC Isolation and an extended -40C to +85C operating temperature range. State of the art packaging and automated manufacturing ensures cost-effectiveness and short lead times.
EN-60950-1 Certified EN-60601-1 Certified
Specifications (Core Operating Area)
Input Voltage Range Output Voltage Accuracy Line Voltage Regulation Load Voltage Regulation (10% to 100% full load) Output Ripple and Noise (20MHz limited) Operating Frequency Efficiency at Full Load No Load Power Consumption Isolation Voltage Rated Working Voltage Isolation Capacitance Isolation Resistance Short Circuit Protection P-Suffix Operating Temperature Range (free air convection) Storage Temperature Range Relative Humidity Package Weight MTBF (+25C) (+85C) (tested for 1 second) (long term isolation) 1.8V, 3.3V output types 5V output type 9V, 12V, 15V, 24V output types 10% 5% 1.2%/1% of Vin typ. 20% max. 15% max. 10% max. 100mVp-p max. 50kHz min. / 100kHz typ. / 105kHz max. 70% min. / 80% typ. 101mW min. / 126mW typ. / 220mW max. 3000VDC min. see Application Notes 20pF min. / 75pF max. 15 G min. 1 Second Continuous -40C to +85C (see Graph) -55C to +125C 95% RH 1g
Detailed Information see Application Notes chapter "MTBF"
100 80
Derating-Graph
(Ambient Temperature)
Output Power (%)
60 40 30 20 0
Safe Operating Area
85 Operating Temperature C
-40
0
50
100
150
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using MIL-HDBK 217F using MIL-HDBK 217F July-2006
977 x 10 hours 189 x 103 hours 19
3
www.recom-international.com
ECONOLINE
DC/DC-Converter
Typical Characteristics
ROM Series
ROM-xx09S
Efficiency / Load
100 80 60
ROM-xx05S
Efficiency / Load
100 80 60 40
3.305
1205
0509
0505 Efficiency %
40 20 0
1209 3.309
Efficiency %
20 0
0% 20% 40% 60% Total Output current (%)
80%
100%
0% 20% 40% 60% Total Output current (%)
80%
100%
Deviation / Load
25.000 20.000 25.000 20.000
Deviation / Load
Deviation from Nominal (%)
Deviation from Nominal (%)
15.000 10.000 5.000 0.000 -5.000 -10.000
3.305
0505
15.000 10.000 5.000 0.000 -5.000 -10.000
3.309
0509
1205
1209
0% 20% 40% 60% Total Output current (%)
80%
100%
0% 20% 40% 60% Total Output current (%)
80%
100%
ROM-xx12S
Efficiency / Load
100 80 60 40
ROM-xx15S
Efficiency / Load
100 80 60
0512
1212
1215
3.312 Efficiency %
40 20 0
0515 3.315
Efficiency %
20 0
0%
20%
40%
60%
80%
100%
0%
20%
40%
60%
80%
100%
Total Output current (%)
Total Output current (%)
Deviation / Load
25.000 20.000 25.000 20.000
Deviation / Load
Deviation from Nominal (%)
Deviation from Nominal (%)
15.000 10.000 5.000 0.000 -5.000 -10.000
0512
1212
15.000 10.000 5.000 0.000 -5.000 -10.000
0515
3.315
3.312
0% 20% 40% 60% Total Output current (%) 80% 100%
1215
0% 20% 40% 60% Total Output current (%)
80%
100%
20
July-2006
www.recom-international.com
ECONOLINE
DC/DC-Converter
Package Style and Pinning (mm)
ROM Series
3rd angle projection
4 PIN SIP Micro Size Package
6.05 7.70
RECOM ROM-0505S 0.51 typ. **** RECOM ROM-0505S **** 1234
4.10
0.51 typ.
Recommended Footprint Details
11.50 0.25 1.9
Bottom View
RO Pin Connections Pin # 1 Single -Vin +Vin -Vout +Vout
2.54 1.27
1.00 o+0.15/0 1.0
Top View
2 3
7.62
1.80 0.7o+0.15/0
4
2.54
XX.X 0.5 mm XX.XX 0.25 mm
www.recom-international.com
July-2006
21

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