Features • Industry standard pinout • 1kVDC/1s or 2kVDC/1s isolation DC/DC Converter • UL94 V-0 package material Unregulated • Fully encapsulated Converters • Efficiency up to 85% RO Description 1 Watt The RO DC/DC converters are typically used in general purpose power isolation and voltage SIP4 matching applications, and feature a full industrial operating temperature range of -40°C to +85°C without derating. Single Output Selection Guide Part nom. Input Output Output Efficiency max. Capacitive Number Voltage Voltage Current typ. (1) Load (2) [VDC] [VDC] [mA] [%] [µF] RO-xx3.3S (3,4) 3.3, 5,12, 15, 24 3.3 303 75 2200 RO-xx05S (3,4) 3.3, 5,12, 15, 24 5 200 78-80 1000 RO-xx09S (3,4) 3.3, 5,12, 15, 24 9 111 78-80 1000 RO-xx12S (3,4) 3.3, 5,12, 15, 24 12 83 80-84 470 RO-xx15S (3,4) 3.3, 5,12, 15, 24 15 66 80-84 470 RO-xx24S (3,4) 3.3, 5,12, 15, 24 24 42 78-85 220 Notes: Note1: Efficiency is tested at nominal input and full load at +25°C ambient E358085 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 UL60950-1 certified Model Numbering CAN/CSA-C22.2 No 60950-1 certified EN60950-1 certified IEC60950-1 certified RO- __ __S/_ EN55032 compliant CB report Input Voltage Protection (3) Output Voltage Isolation Option (4) 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/1s isolation or add suffix „/HP“ for continuous short circuit protection and 2kVDC/1s isolation Ordering Examples: RO-123.3S/P: 12V Input Voltage, 3.3V Output Voltage, Single Output with continuous short circuit protection RO-0509S/HP: 5V Input Voltage, 9V Output Voltage, Single Output with 2kVDC/1s Isolation and continuous short circuit protection www.recom-power.com REV.: 3/2019 ECO-1

RO DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Internal Input Filter capacitor Input Voltage Range ±10% Minimum Load 0% Internal Operating Frequency 50kHz 100kHz 105kHz Output Ripple and Noise 20MHz BW 100mVp-p Efficiency vs. Load RO-xx05S RO-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 [%] RO-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 -2% typ. / ±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

RO DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated) Parameter Condition Value 3.3Vout 20.0% max. Load Regulation (5) 10% to 100% load 5Vout 15.0% max. 12, 15, 24Vout 10.0% max. Notes: Note5: Operation below 10% load will not harm the converter, but specifications may not be met Tolerance Envelope RO-xx3.3S and RO-xx05S RO-xx12S and RO-xx15S +10% +10% e [%] +7% Typical Load Line +5% e [%] +5% Typical Load Line +5% g Vnom g Vnom a -2% a -2% olt olt ut V -5% ut V -5% p p ut ut O O 0 50 100 0 50 100 Output Load [%] Output Load [%] Deviation vs. Load RO-xx05S RO-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 -5 -5 -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 [%] RO-xx15S 25 20 3.315 0515 15 1215 %] n [ 10 o viati 5 e D 0 -5 -10 0 10 20 30 40 50 60 70 80 90 100 Output Load [%] www.recom-power.com REV.: 3/2019 ECO-3

RO DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated) PROTECTIONS Parameter Type Value without suffix 1 second Short Circuit Protection (SCP) with suffix “/P” continuous tested for 1 second 1kVDC without suffix rated for 1 minute 500VAC/60Hz Isolation Voltage (6) I/P to O/P with suffix tested for 1 second 2kVDC “/H” rated for 1 minute 1kVAC/60Hz Isolation Resistance 10GΩ min. Isolation Capacitance 20pF min. / 75pF max. Insulation Grade functional Notes: Note6: For repeat Hi-Pot testing, reduce the time and/or the test voltage Note7: Refer to local safety regulations if input over-current protection is also required. Recommended fuse: slow blow type ENVIRONMENTAL Parameter Condition Value Operating Temperature Range full load (see graph) -40°C to +85°C Maximum Case Temperature +110°C Temperature Coefficient ±0.03%/K typ. Thermal Impedance 67K/W Operating Altitude 2000m Operating Humidity non-condensing 95% RH max. Pollution Degree PD2 +25°C 11800 x 103 hours MTBF according to MIL-HDBK-217F, G.B. +85°C 4800 x 103 hours Derating Graph 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] www.recom-power.com REV.: 3/2019 ECO-4

RO DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated) SAFETY AND CERTIFICATIONS Certificate Type (Safety) Report / File Number Standard IEC60950-1:2005, 2nd Edition + A2:2013 Information Technology Equipment, General Requirements for Safety SPCLVD1602031 EN60950-1:2006 + A2:2013 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 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 B Emission requirements (see filter suggestion below) EN55032, Class A EMC Filter Suggestion according to EN55032 C 3 L 1 +V +V in +V +V out in out C C 1 2 -V -V -V in out -V in out C 4 Component List Class A Component List Class B MODEL C1 L1 C2 C4 (safety) MODEL C1 L1 C3 (safety) C4 (safety) RO-0505S N/A RO-0505S 10µF 1nF 10µF 22µH choke 1nF RO-1205S N/A 2.2nF RO-1205S 2.2nF 100V MLCC 50V MLCC 100V MLCC RLS-226 50V MLCC RO-2405S N/A RO-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 (UL94V-0) Material potting epoxy, (UL94V-0) PCB FR4, (UL94V-0) Dimension (LxWxH) 11.5 x 6.0 x 10.0mm Weight 1.4g typ. continued on next page www.recom-power.com REV.: 3/2019 ECO-5

RO DC/DC Converter Series Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated) Dimension Drawing (mm) embossed logo 11.5 6.0 Pinning information Pin # Single 0 Marking 10. 1 -Vin 1 5 0. 2 +Vin 3 -Vout 4 +Vout 0.51+0.10/-0.05 10 0.25±0.05 Tolerance: 4. xx.x= ±0.5mm Recommended Footprint Details xx.xx= ±0.25mm 1.90 7.62 2.54 4 5 2. Top View 1 2 3 4 5 1 2 3 4 2 Bottom View 1. INSTALLATION AND APPLICATION Typical Application RO-0512S +V +V +12V +5V in out 12V PIR GND -V -V Senor, IP in out Camera, etc. Single Board Computer (Raspberry Pi, Arduino, Data Beaglebone, etc.) 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