C C S S O O R R w E E M M T T P P R R a L L R I I E E A A r V V N N A N N T T r NOT RECOMMENDED FOR NEW DESIGNS TH (LAST TIME BUY: 27 NOV 2020) 1:1 input range Features 0.25W SIP4 package DC/DC Converter Efficiency up to 82% 1kVDC and 2kVDC/1s basic isolation Unregulated Operating temperature from -40C to +100C Converters Optional continuous short circuit protection RM/E Description 0.25 Watt The RM/E series DC/DC converter has been designed to offer exceptionally high efficiency, low quiescent 3 SIP4 current and an extended operating temperature range. Uses include battery powered supplies, high efficiency designs or high temperature applications. Single Output Selection Guide Part nom. Input Output Output Efficiency max. Capacitive (1) (2) Number Voltage Voltage Current typ. Load VDC VDC mA % F (3) RM-3.305S/E 3.3 5 50 80 1000 (3) RM-0505S/E 5 5 50 82 1000 (3) RM-1205S/E 12 5 50 78 1000 Notes: Note1: Efficiency is tested at nominal input and full load at +25C 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 22++ RoHSRoHS REACHREACH compliantcompliant compliantcompliant 10 from 1010 from 10 Model Numbering E358085 RM- S/E (3) Isolation Option Input Voltage UL60950-1 certified Single Output Voltage CAN/CSA-C22.2 No. 60950-1-03 certified IEC60950-1 certified EN60950-1 certified Notes: Note3: standard part is with 1kVDC isolation PREFERRED ALTERNATIVES add suffix /H for 2kVDC isolation Please consider these alternatives: RM Series Ordering Examples: RM-0505S/E: 5V Input Voltage, 5V Output Voltage, Single Output RM-1205S/EH: 12V Input Voltage, 5V Output Voltage, Single Output with 2kVDC Isolation www.recom-power.com REV.: 2/2020 ECO-1 O O P P E a C C R R O O Y M M n D D O O U U t C C C C E E y T T R R S STH (LAST TIME BUY: 27 NOV 2020) NOT RECOMMENDED FOR NEW DESIGNS RM/E DC/DC Converter Series Specifications (measured Ta= 25C, nom. Vin, full load and after warm up unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Voltage Range 10% Minimum Load 0% Internal Operating Frequency 20kHz 70kHz RM-3.305S/E 60mVp-p Output Ripple and Noise 20MHz BW 35mVp-p others 50mVp-p Efficiency vs. Load 100 90 80 70 60 50 40 30 3.305 20 0505 10 1205 0 0 10 20 30 40 50 60 70 80 90 100 Output Load % REGULATIONS Parameter Condition Value Output Accuracy -2.0% typ. / 5.0% max. Line Regulation low line to high line 1.2% of 1.0% Vin typ. (4) Load Regulation 10% to 100% load 4.0% typ. / 10.0% max. Notes: Note4: Operation below 10% load will not harm the converter, but specifications may not be met Deviation vs. Load 25 3.305 20 0505 1205 15 10 5 0 -5 -10 0 10 20 30 40 50 60 70 80 90 100 Output Load % www.recom-power.com REV.: 2/2020 ECO-2 Deviation % Efficiency %