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
ECONOLINE
DC/DC-Converter
with 3 year Warranty
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
R0.25S**-3.305/E*
R0.25S**-0505/E*
R0.25S**-1205/E*
Input
Voltage
(VDC)
3.3
5
12
Output
Voltage
(VDC)
5
5
5
Output
Current
(mA)
50
50
50
Efficiency
typ.
(%)
75
77
74
Max
Capacitive
Load
(1)**
1000µF
1000µF
1000µF
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)
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
RoHS
E224736
Specifications
(
measured at TA = 25°C, nominal input voltage full load and after warm up)
Input Voltage Range
Voltage Set Accuracy
Line Regulation
Load Regulation
Ripple & Noise @ 20MHz BW
Efficiency
Operating Temperature
Storage Temperature
Isolation Test Voltage
Isolation Test Voltage
Isolation Capacitance
Isolation Resistance
Humidity
Operating Frequency
Short-Circuit Protection
MTBF
Using MIL-HDBK 217F (+100°C)
Using MIL-HDBK 217F (+25°C)
Vin (nom.)
Viso = 500V
H-Suffix
H-Suffix
(tested for 1 second)
(rated for 1 minute***)
(tested for 1 second)
(rated for 1 minute***)
100% Load
100% Load/nominal Vin
Low Line to High Line @ max. Load
(10% to 100% Load)
±10% max.
-2% typ. / ±5% max.
1,2% typ.
4% typ. / 10% max.
50mVp-p typ. / 100mVp-p max.
70% min.
-40°C to + 100°C
-55°C to +125°C
1000VDC
500VAC / 60Hz
2000VDC
1000VAC / 60Hz
75PF max.
10 GΩ min.
95% max.
20kHz min. / 70 kHz max.
1 Second
1352 x 10³ hours
4494 x 10³ hours
1.0g
Report: E224736
UL60950-1
EN60950-1
EN-60950-1 Certified
UL-60950-1 Certified
R0.25S/E
Derating-Graph
(Ambient Temperature)
100
80
Output Power (%)
60
40
20
0
-40
Safe Operating Area
Detailed Information see Application Notes chapter „MTBF“
Weight
Certification
UL General Safety
EN General Safety
0
50
100
150
Operating Temperature °C
***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
ECONOLINE
DC/DC-Converter
Typical Characteristics
R0.25S/E
Series
R0.25S-xx05/E
Deviation/Load
25
Tolerance Envelope
Efficiency/Load
100
90
80
70
60
50
40
30
20
10
0
0%
+10%
Deviation from Nominal %
20
0505
3.305
+5%
VNOM
+5%
-2%
-5%
10
5
0
-5
0505
Efficiency %
15
3.305
1205
1205
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Load %
10%
50%
100%
-10
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Load %
Notes
Note1:
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)
12.75
10.70
Pin Connections
Pin # Function for 5 Pins
Function for 8 Pins
- Vin
+Vin
-Vout
+Vout
NC
NC
R0.25S/E
7.00
6.70
1
2
4
–Vin
+Vin
-Vout
+Vout
NA
NC
2.54x3
5
11.10
3, 6, 7
8
NC= No Connection
NA= No Available Electrical Connection
8
7
6
5
UNIT: mm
TOL.: ± 0.25 mm
RECOM
11.10
R0.25S-0505/E
1131
1.80
0.50
1
2
3
4
2.54
1.20
12.00
Footprint
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
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