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R0.25E Datasheet, PDF (1/2 Pages) Recom International Power – 1kVDC and 2kVDC Isolation Option
Features
Unregulated
Converter
● 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
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.
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
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
Specifications (measured at TA = 25°C, nominal input voltage full load and after warm up)
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 GΩ min.
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
***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
REV: 0/2015
ECONOLINE
DC/DC-Converter
with 3 year Warranty
0.25 Watt SMD
Isolated
Single Output
RoHS
2011/65/EU
6/6
E224736
EN-60950-1 Certified
UL-60950-1 Certified
R0.25S/E
Derating-Graph
(Ambient Temperature)
100
80
60 Safe Operating Area
40
20
0
-40 0
50 100 150
Operating Temperature °C
Refer to Application Notes
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