ECONOLINE

DC/DC-Converter

with 3 year Warranty

R0.25S/E

Selection Guide

0.25 Watt SMD

Isolated

Single Output

Derating-Graph

(Ambient Temperature)

Features

Unregulated

Converter

Part

Input

Output

Output

Efficiency

Max

Number

Voltage

Voltage

Current

typ.

Capacitive

SMD

(VDC)

(VDC)

(mA)

(%)

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

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 G

Ω 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

100

60

20

40

50

0

-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.com

E-12