Features Unregulated Converter Description ● ● ● ● ● ● 1 : 1 Input Range 0.25W SMD Package Efficiency up to 77% 1kVDC and 2kVDC Isolation Option Operating Temperature from -40°C to +100°C EN/UL60950-1 Certified The R0.25S/E series DC/DC converter has been designed to offer exceptionally high efficiency, low quiescent current and an extended operating temperature range. Uses include battery powered supplies, high efficiency designs or high temperature applications. Selection Guide Part Number SMD Input Voltage (VDC) Output Voltage (VDC) Output Current (mA) Efficiency typ. (%) Max Capacitive Load(1)** R0.25S**-3.305/E* 3.3 5 50 75 1000µF R0.25S**-0505/E* 5 5 50 77 1000µF R0.25S**-1205/E* 12 5 50 74 1000µF ECONOLINE DC/DC-Converter with 3 year Warranty 0.25 Watt SMD Isolated Single Output Other input and output voltage combinations available on request. *add Suffix „H“ for 2kVDC Isolation, e.g. R0.25S-3.305/HE *add Suffix „-R“ for tape & reel packaging, e.g. R0.25S-3.305/E -R *add Suffix „P“ for Continuous Short Circuit Protection, e.g. R0.25S/PE **without marking denotes 5 pins out of 8 fitted (includes „H“ option) RoHS with marking 8 denotes 8 pins out of 8 fitted („H“ option not available), e.g R0.25S8-3.305/E 2011/65/EU 6/6 Specifications (measured at TA = 25°C, nominal input voltage full load and after warm up) Input Voltage Range ±10% max. 100% Load/nominal Vin -2% typ. / ±5% max. Line Regulation Low Line to High Line @ max. Load Load Regulation (10% to 100% Load) Ripple & Noise @ 20MHz BW Efficiency 1,2% typ. 4% typ. / 10% max. 70% min. Operating Temperature -40°C to + 100°C Storage Temperature -55°C to +125°C (tested for 1 second) 1000VDC (rated for 1 minute***) Isolation Test Voltage H-Suffix (tested for 1 second) H-Suffix (rated for 1 minute***) 500VAC / 60Hz 75PF max. Viso = 500V 10 GΩ min. Vin (nom.) 1 Second Using MIL-HDBK 217F (+100°C) 1352 x 10³ hours Using MIL-HDBK 217F (+25°C) 4494 x 10³ hours Weight 1.0g Certification 60 Safe Operating Area 40 20 0 -40 0 50 100 150 Operating Temperature °C Report: E224736 UL60950-1 EN General Safety EN60950-1 ***Any data referred to in this datasheet are of indicative nature and based on our practical experience only. For further details, please refer to our Application Notes. E-12 80 20kHz min. / 70 kHz max. Detailed Information see Application Notes chapter „MTBF“ UL General Safety 100 95% max. Short-Circuit Protection MTBF (Ambient Temperature) 2000VDC Humidity Operating Frequency Derating-Graph 1000VAC / 60Hz Isolation Capacitance Isolation Resistance R0.25S/E 50mVp-p typ. / 100mVp-p max. 100% Load Isolation Test Voltage EN-60950-1 Certified UL-60950-1 Certified Output Power (%) Voltage Set Accuracy E224736 REV: 0/2015 Refer to Application Notes www.recom-power.com R0.25S/E Series ECONOLINE DC/DC-Converter Typical Characteristics R0.25S-xx05/E Tolerance Envelope Deviation/Load Efficiency/Load 25 +10% VNOM -2% -5% 15 3.305 10 0505 5 0 -5 10% 50% 100% Efficiency % +5% Deviation from Nominal % 20 +5% 1205 -10 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 100 90 80 70 60 50 40 30 20 10 0 3.305 1205 0% Load % Notes Note1: 0505 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Load % Maximum capacitive load is defined as the capacitive load that will allow start up in under 1second without damage to the converter. Package Style and Pinning (mm) 10.70 12.75 Pin Connections 6.70 7.00 2.54x3 11.10 Function for 8 Pins 1 –Vin - Vin 2 +Vin +Vin 4 -Vout -Vout 5 +Vout +Vout 3, 6, 7 NA NC 8 NC NC R0.25S/E Pin # Function for 5 Pins NC= No Connection NA= No Available Electrical Connection 8 7 6 UNIT: mm TOL.: ± 0.25 mm 5 RECOM R0.25S-0505/E 11.10 12.00 Footprint 1131 1.80 0.50 1 2 3 4 2.54 1.20 The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer 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: 0/2015 E-13