● 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
ECONOLINE
DC/DC-Converter
with 3 year Warranty
Features
Unregulated
Converter
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.
Description
0.25 Watt SMD
Isolated
Single Output
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*
R0.25S**-0505/E*
R0.25S**-1205/E*
3.3
5
5
5
5
50
50
50
75
77
74
1000µF
1000µF
1000µF
12
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
2011/65/EU
6/6
with marking 8 denotes 8 pins out of 8 fitted („H“ option not available), e.g R0.25S8-3.305/E
E224736
(measured at T = 25°C, nominal input voltage full load and after warm up)
Specifications
A
EN-60950-1 Certified
UL-60950-1 Certified
Input Voltage Range
Voltage Set Accuracy
Line Regulation
10ꢀ max.
100ꢀ Load/nominal Vin
-2ꢀ typ. / 5ꢀ max.
1,2ꢀ typ.
Low Line to High Line @ max. Load
(10ꢀ to 100ꢀ Load)
R0.25S/E
Load Regulation
4ꢀ typ. / 10ꢀ max.
Ripple & Noise @ 20MHz BW
Efficiency
50mVp-p typ. / 100mVp-p max.
70ꢀ min.
100ꢀ Load
Operating Temperature
Storage Temperature
Isolation Test Voltage
-40°C to + 100°C
-55°C to +125°C
1000VDC
Derating-Graph
(tested for 1 second)
(rated for 1 minute***)
(tested for 1 second)
(rated for 1 minute***)
(Ambient Temperature)
500VAC / 60Hz
2000VDC
Isolation Test Voltage
H-Suffix
H-Suffix
1000VAC / 60Hz
75PF max.
Isolation Capacitance
Isolation Resistance
Humidity
Viso = 500V
Vin (nom.)
10 GΩ min.
100
80
95ꢀ max.
Operating Frequency
Short-Circuit Protection
MTBF
20kHz min. / 70 kHz max.
1 Second
60
Safe Operating Area
40
20
0
Using MIL-HDBK 217F (+100°C)
Using MIL-HDBK 217F (+25°C)
1352 x 10³ hours
4494 x 10³ hours
Detailed Information see Application Notes chapter „MTBF“
-40
0
50
100
150
Weight
1.0g
Certification
Operating Temperature °C
UL General Safety
EN General Safety
Report: E224736
UL60950-1
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.
Refer to Application Notes
www.recom-power.com
E-12
REV: 0/2015