Features • Micro size SIP4 package • 3kVDC/1s basic isolation DC/DC Converter • Industry standard pinout Unregulated • Optional continuous short circuit protection • UL94V-0 package material Converters ROM • Efficiency up to 85% Description 1 Watt The ROM Micro Size DC/DC converter has been designed for isolating or converting DC power rails SIP4 where board height is at a premium. Although it has a micro-size 7.7mm package, it does not compro- mise on features and offers a high 3kVDC Isolation , a –40°C to +85°C operating temperature range Micro Size and optional continuous short circuit protection. Single Output Selection Guide Part nom. Input Output Output Efficiency max. Capacitive Number Voltage Voltage Current typ. (1) Load (2) [VDC] [VDC] [mA] [%] [µF] ROM-xx05S (3) 3.3, 5, 12 5 200 70-78 1000 ROM-xx12S (3) 3.3, 5, 12 12 83 78-82 470 ROM-xx15S (3) 3.3, 5, 12 15 67 80-84 470 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 UL60950-1 certified CAN/CSA-C22.2 No 60950-1 certified EN60950-1 certified ROM- __ S/ IEC60950-1 certified EN55032 compliant nom. Input Voltage “Protection (3)” CB report Output Voltage Single Notes: Note3: standard part is without continuous short circuit protection add suffix „/P“ for continuous short circuit protection Ordering Examples: ROM-1205S: 12VDC Input Voltage, 5VDC Output Voltage, Single Output ROM-0515S/P: 5VDC Input Voltage, 15VDC Output Voltage, Single Output with continuous short circuit protection www.recom-power.com REV.: 3/2019 ECO-1

ROM DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin and full load otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Voltage Range ±10% Minimum Load 0% Internal Operating Frequency 50kHz 100kHz 105kHz Output Ripple and Noise 20MHz BW 100mVp-p Efficiency vs. Load ROM-xx05S ROM-xx12S 100 100 90 90 80 80 70 70 %] %] y [ 60 y [ 60 c c en 50 en 50 ci ci Effi 40 Effi 40 30 30 20 3.305 20 3.312 0505 0512 10 1205 10 1212 0 0 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Output Load [%] Output Load [%] ROM-xx15S 100 90 80 70 %] y [ 60 c en 50 ci Effi 40 30 20 3.315 0515 10 1215 0 0 10 20 30 40 50 60 70 80 90 100 Output Load [%] REGULATIONS Parameter Condition Value Output Accuracy ±5.0% max. Line Regulation low line to high line ±1.2% of 1.0% Vin typ. continued on next page www.recom-power.com REV.: 3/2019 ECO-2

ROM DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin and full load otherwise stated) Parameter Condition Value 5Vout 15.0% max. Load Regulation (5) 10% to 100% load 12, 15Vout 10.0% max. Notes: Note5: Operation below 10% load will not harm the converter, but specifications may not be met Deviation vs. Load ROM-xx05S ROM-xx12S 25 25 20 3.305 20 3.312 0505 0512 15 1205 15 1212 %] %] n [ 10 n [ 10 o o viati 5 viati 5 e e D D 0 0 -50 -50 -10 -10 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Output Load [%] Output Load [%] ROM-xx15S 25 20 3.315 0515 15 1215 %] n [ 10 o viati 5 e D 0 -50 -10 0 10 20 30 40 50 60 70 80 90 100 Output Load [%] PROTECTIONS Parameter Type Value without suffix 1 second Short Circuit Protection (SCP) with suffix “/P” continuous tested for 1 second 3kVDC Isolation Voltage (6) I/P to O/P rated for 1 minute 1.5kVAC/60Hz Isolation Resistance 15GΩ min. Isolation Capacitance 20pF min. / 75pF max. basic (IEC/EN60950-1) Insulation Grade functional (IEC/EN60601-1) 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: T1A slow blow type www.recom-power.com REV.: 3/2019 ECO-3

ROM DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin and full load otherwise stated) ENVIRONMENTAL Parameter Condition Value Operating Temperature Range full load @ free air convection (see graph) -40°C to +85°C 2000m (IEC/EN60950-1) Operating Altitude 3000m (IEC/EN60601-1) Operating Humidity non-condensing 95% RH max. Pollution Degree PD2 +25°C 977 x 103 hours MTBF according to MIL-HDBK-217F, G.B. +85°C 189 x 103 hours Derating Graph (@ free air convection) 100 90 80 70 %] d [ 60 a o ut L 50 p ut 40 O 30 20 10 0 -40-30-20-10 0 10 20 30 40 50 60 70 80 90 100110 85 Ambient Temperature [°C] SAFETY AND CERTIFICATIONS Certificate Type (Safety) Report / File Number Standard UL60950-1, 2nd Edition:2007 Information Technology Equipment, General Requirements for Safety E358085-A4-UL CAN/CSA C22.2 No. 60950-1-03, 2nd Edition:2007 Information Technology Equipment, General Requirements for Safety (CB) E322406-A4-CB-1 IEC60950-1:2005, 2nd Edition IEC60950-1:2005, 2nd Edition + A2:2013 Information Technology Equipment, General Requirements for Safety LVD1602031 EN60950-1:2006 + A2:2013 Medical electrical equipment Part 1: General requirements for basic EN60601-1:2006 + A12:2014 WD-SE-R-180676-A0 safety and essential performance IEC60601-1:2005 + A1:2012, 3rd Edition EAC RU-AT.49.09571 TP TC 004/2011 RoHS 2 RoHS-2011/65/EU + AM-2015/863 EMC Compliance Condition Standard / Criterion Electromagnetic compatibility of multimedia equipment - with external filter EN55032, Class A and B Emission requirements (refer to “EMC Filter”) continued on next page www.recom-power.com REV.: 3/2019 ECO-4

ROM DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin and full load otherwise stated) EMC FilterSuggestion according to EN55032 C 2 L 1 +V +V in +V +V out in out C 1 -V -V -V in out -V in out C 3 Component List Class A Component List Class B MODEL C1 L1 C2 (safety) C3 (safety) MODEL C1 L1 C2 (safety) C3 (safety) ROM-0505S N/A ROM-0505S 10µF 10µF 22µH choke ROM-1205S N/A N/A 2.2nF ROM-1205S 1nF 2.2nF 100V MLCC 100V MLCC RLS-226 ROM-2405S 2.2nF ROM-2405S Notes: Note8: Filter suggestions are valid for indicated part numbers only. For other part numbers, please contact RECOM tech support for advice DIMENSION AND PHYSICAL CHARACTERISTICS Parameter Type Value case non-conductive black plastic (UL94 V-0) Material potting epoxy, (UL94 V-0) PCB FR4, (UL94 V-0) Dimension (LxWxH) 11.5 x 6.05 x 7.7mm Weight 1g typ. Dimension Drawing (mm) embossed logo 11.5 6.0 Pinning information Pin # Single 7 1 -Vin 1 7. 0.5 2 +Vin 3 -Vout 4 +Vout 1.00 0 8 0.51+0.10/-0.05 4.10 0.25±0.05 0.7Ø+0.15/-0 1. Txox.lex=ra n±c0e.:5mm xx.xx= ±0.25mm Recommended Footprint Details 1.90 7.62 1.00Ø +0.15/-0 7 2 1. 4 5 2. Top View 1 2 3 4 1 2 3 4 Bottom View 2.54 www.recom-power.com REV.: 3/2019 ECO-5

ROM DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin and full load otherwise stated) PACKAGING INFORMATION Parameter Type Value Packaging Dimension (LxWxH) tube 520.0 x 16.0 x 9.0mm Packaging Quantity tube 42pcs Storage Temperature Range -55°C to +125°C Storage Humidity non-condensing 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.: 3/2019 ECO-6