ECONOLINE
DC/DC-Converter
with 3 year Warranty
R0.25S/E
Selection Guide
0.25 Watt SMD
Isolated
Single Output
Derating-Graph
(Ambient Temperature)
●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
Features
Unregulated
Converter
Part Input Output Output Efficiency Max
Number Voltage Voltage Current typ. Capacitive
SMD (VDC) (VDC) (mA) (%) 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
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)
with marking 8 denotes 8 pins out of 8 fitted („H“ option not available), e.g R0.25S8-3.305/E
Refer to Application Notes
Specifications (measured at TA = 25°C, nominal input voltage full load and after warm up)
Description 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.
Input Voltage Range ±10% max.
Voltage Set Accuracy 100% Load/nominal Vin -2% typ. / ±5% max.
Line Regulation Low Line to High Line @ max. Load 1,2% typ.
Load Regulation (10% to 100% Load) 4% typ. / 10% max.
Ripple & Noise @ 20MHz BW 50mVp-p typ. / 100mVp-p max.
Efficiency 100% Load 70% min.
Operating Temperature -40°C to + 100°C
Storage Temperature -55°C to +125°C
Isolation Test Voltage (tested for 1 second) 1000VDC
(rated for 1 minute***) 500VAC / 60Hz
Isolation Test Voltage H-Suffix (tested for 1 second) 2000VDC
H-Suffix (rated for 1 minute***) 1000VAC / 60Hz
Isolation Capacitance 75PF max.
Isolation Resistance Viso = 500V 10 GΩmin.
Humidity 95% max.
Operating Frequency Vin (nom.) 20kHz min. / 70 kHz max.
Short-Circuit Protection 1 Second
MTBF Using MIL-HDBK 217F (+100°C) 1352 x 10³ hours
Using MIL-HDBK 217F (+25°C) 4494 x 10³ hours
Detailed Information see Application Notes chapter „MTBF“
Weight 1.0g
Certification
UL General Safety Report: E224736 UL60950-1
EN General Safety EN60950-1
Output Power (%)
100
60
20
40
500-40 150
Operating Temperature °C
0
80
Safe Operating Area
100
EN-60950-1 Certified
UL-60950-1 Certified
E224736
RoHS
2011/65/EU
6/6
***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.
REV: 0/2015 www.recom-power.comE-12
Package Style and Pinning (mm)
ECONOLINE
DC/DC-Converter
R0.25S/E
Series
R0.25S/E
12.75
6.70
7.00
2.54x3
10.70
11.10
RECOM
R0.25S-0505/E
1131
123
87
11.10
0.50
Footprint
2.54 1.20
1.80
12.00
4
6 5
Typical Characteristics
Tolerance Envelope
+10%
+5%
VNOM
+5%
-2%
-5%
10% 50% 100%
R0.25S-xx05/E
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
0
10
20
30
40
50
60
70
Efficiency/Load
Load %
Efficiency %
3.305
0505
1205
80
90
100
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
-10
-5
0
5
10
15
20
25
Deviation/Load
Load %
Deviation from Nominal %
3.305
0505
1205
UNIT: mm
TOL.: ± 0.25 mm
Pin Connections
Pin # Function for 5 Pins Function for 8 Pins
1 –Vin - Vin
2 +Vin +Vin
4 -Vout -Vout
5 +Vout +Vout
3, 6, 7 NA NC
8NC NC
NC= No Connection
NA= No Available Electrical Connection
Notes
Note1: Maximum capacitive load is defined as the capacitive load that will allow start up in under 1second without damage to the converter.
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.
REV: 0/2015 E-13www.recom-power.com
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
RECOM:
R0.25S-3.305/EP R0.25S-3.305/E-R R0.25S8-3.305/E R0.25S-0505/EH-R R0.25S-0505/EHP R0.25S-0505/E-R
R0.25S-1205/EP-R R0.25S8-0505/E R0.25S-3.305/EH-R R0.25S-1205/E-R R0.25S8-3.305/EP-R R0.25S8-1205/EP
R0.25S-0505/EHP-R R0.25S-0505/EP-R R0.25S-1205/EH R0.25S-1205/EHP R0.25S-3.305/EHP R0.25S8-
0505/EP R0.25S8-1205/EP-R R0.25S-0505/EP R0.25S-1205/EH-R R0.25S-3.305/EH R0.25S-3.305/EP-R R0.25S8-
0505/EP-R R0.25S8-0505/E-R R0.25S8-1205/E-R R0.25S8-3.305/EP R0.25S-3.305/EHP-R R0.25S8-1205/E
R0.25S8-3.305/E-R R0.25S-0505/EH R0.25S-1205/EHP-R R0.25S-1205/EP
